{"id":524,"date":"2018-05-09T19:45:53","date_gmt":"2018-05-09T11:45:53","guid":{"rendered":"https:\/\/www.chenweikang.top\/?p=524"},"modified":"2018-05-09T19:45:53","modified_gmt":"2018-05-09T11:45:53","slug":"mysql-8-%e7%94%a8%e6%88%b7%e5%92%8c%e8%a7%92%e8%89%b2%e7%ae%a1%e7%90%86%e5%85%a5%e9%97%a8","status":"publish","type":"post","link":"https:\/\/www.chenweikang.top\/?p=524","title":{"rendered":"MySQL 8 \u7528\u6237\u548c\u89d2\u8272\u7ba1\u7406\u5165\u95e8"},"content":{"rendered":"<div id=\"js_article\" class=\"rich_media\">\n<div class=\"rich_media_inner\">\n<div id=\"page-content\" class=\"rich_media_area_primary\">\n<div id=\"img-content\">\n<div id=\"js_content\" class=\"rich_media_content \">\n<p>MySQL 8.0 \u6b63\u5f0f\u7248\u76ee\u524d\u5df2\u53d1\u5e03\uff0cMySQL 8.0 \u589e\u52a0\u4e86\u5f88\u591a\u65b0\u7684\u529f\u80fd\uff0c\u5177\u4f53\u53ef\u53c2\u8003\u300c<a href=\"https:\/\/www.chenweikang.top\/?p=521\">MySQL 8.0 \u6b63\u5f0f\u7248 8.0.11 \u53d1\u5e03\uff01<\/a>\u300d\u4e00\u6587\u3002<\/p>\n<p>MySQL 8.0 \u5728\u7528\u6237\u7ba1\u7406\u65b9\u9762\u589e\u52a0\u4e86\u89d2\u8272\u7ba1\u7406\uff0c\u9ed8\u8ba4\u7684\u5bc6\u7801\u52a0\u5bc6\u65b9\u5f0f\u4e5f\u505a\u4e86\u8c03\u6574\uff0c\u7531\u4e4b\u524d\u7684 <code>SHA1<\/code> \u6539\u4e3a\u4e86 <code>SHA2<\/code>\u3002\u540c\u65f6\u52a0\u4e0a MySQL 5.7 \u7684\u7981\u7528\u7528\u6237\u548c\u7528\u6237\u8fc7\u671f\u7684\u529f\u80fd\uff0cMySQL \u5728\u7528\u6237\u7ba1\u7406\u65b9\u9762\u7684\u529f\u80fd\u548c\u5b89\u5168\u6027\u90fd\u8f83\u4e4b\u524d\u7248\u672c\u5927\u5927\u7684\u589e\u5f3a\u4e86\u3002<\/p>\n<p>\u5728\u672c\u6559\u7a0b\u4e2d\uff0c\u6211\u4eec\u5c06\u4ecb\u7ecd MySQL \u4e0b\u7528\u6237\u7ba1\u7406\u4e0a\u7684\u4e00\u4e9b\u65b0\u7279\u6027\u548c\u5982\u4f55\u4f7f\u7528\u89d2\u8272\u6765\u7b80\u5316\u6743\u9650\u7ba1\u7406\u3002<\/p>\n<blockquote><p>\u6ce8\uff1a\u672c\u6559\u7a0b\u5927\u90e8\u5206\u7279\u6027\u8981 MySQL 8.0 + \u4ee5\u4e0a\u7248\u672c\u624d\u652f\u6301\u3002<\/p><\/blockquote>\n<h3>MySQL \u7528\u6237\u7ba1\u7406<\/h3>\n<h4>\u9a8c\u8bc1\u63d2\u4ef6\u548c\u5bc6\u7801\u52a0\u5bc6\u65b9\u5f0f\u7684\u53d8\u5316<\/h4>\n<p>\u5728 MySQL 8.0 \u4e2d\uff0c<code>caching_sha2_password<\/code> \u662f\u9ed8\u8ba4\u7684\u8eab\u4efd\u9a8c\u8bc1\u63d2\u4ef6\u800c\u4e0d\u662f\u4e4b\u524d\u7248\u672c\u7684 <code>mysql_native_password<\/code>\uff0c\u9ed8\u8ba4\u7684\u5bc6\u7801\u52a0\u5bc6\u65b9\u5f0f\u662f <code>SHA2<\/code> \u3002<\/p>\n<pre><code>mysql&gt; show variables like 'default_authentication_plugin';\r\n+-------------------------------+-----------------------+\r\n| Variable_name \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 | Value \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 |\r\n+-------------------------------+-----------------------+\r\n| default_authentication_plugin | caching_sha2_password |\r\n+-------------------------------+-----------------------+\r\n1 row in set (0.00 sec)\r\n\r\nmysql&gt; select user,host,plugin from mysql.user;\r\n+------------------+-----------+-----------------------+\r\n| user \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 | host \u00a0 \u00a0 \u00a0| plugin \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0|\r\n+------------------+-----------+-----------------------+\r\n| root \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 | % \u00a0 \u00a0 \u00a0 \u00a0 | caching_sha2_password |\r\n| mysql.infoschema | localhost | mysql_native_password |\r\n| mysql.session \u00a0 \u00a0| localhost | mysql_native_password |\r\n| mysql.sys \u00a0 \u00a0 \u00a0 \u00a0| localhost | mysql_native_password |\r\n| root \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 | localhost | caching_sha2_password |\r\n+------------------+-----------+-----------------------+\r\n5 rows in set (0.00 sec)<\/code><\/pre>\n<p>\u5982\u679c\u9700\u8981\u4fdd\u6301\u4e4b\u524d\u7684\u9a8c\u8bc1\u65b9\u5f0f\u5e76\u4fdd\u6301\u4e4b\u524d\u7248\u672c\u7684\u5bc6\u7801\u52a0\u5bc6\u65b9\u5f0f\u9700\u8981\u5728\u914d\u7f6e\u6587\u4ef6 my.cnf \u4e2d\u4fee\u6539\u4ee5\u4e0b\u914d\u7f6e\u9879\u5e76\u91cd\u542f\u670d\u52a1\u540e\u751f\u6548\u3002<\/p>\n<pre><code>[mysqld]\r\ndefault_authentication_plugin = mysql_native_password<\/code><\/pre>\n<blockquote><p>\u6ce8\uff1a\u6b64\u9009\u9879\u6682\u4e0d\u652f\u6301 MySQL 8.0 \u52a8\u6001\u4fee\u6539\u7279\u6027\u3002<\/p><\/blockquote>\n<p>\u5c06 MySQL 8.0 \u4e2d\u5df2\u6709\u7684 <code>SHA2<\/code> \u5bc6\u7801\u4fee\u6539\u4e3a <code>SHA1<\/code> \u7684\u6a21\u5f0f\u3002<\/p>\n<pre><code># \u66f4\u65b0\u7528\u6237\u7684\u5bc6\u7801\u52a0\u5bc6\u65b9\u5f0f\u4e3a\u4e4b\u524d\u7248\u672c\u7684\u65b9\u5f0f\r\nmysql&gt; ALTER USER 'root'@'127.0.0.1' IDENTIFIED WITH mysql_native_password BY 'password';\r\n# \u5237\u65b0\u6743\u9650\r\nmysql&gt; FLUSH PRIVILEGES;<\/code><\/pre>\n<blockquote><p>\u6ce8\uff1a\u5982\u679c\u6ca1\u6709\u7279\u6b8a\u7684\u539f\u56e0\uff0c\u5efa\u8bae\u4f7f\u7528\u66f4\u5b89\u5168\u7684\u65b0\u52a0\u5bc6\u65b9\u5f0f\u3002<\/p><\/blockquote>\n<h4>\u7528\u6237\u6388\u6743\u548c\u4fee\u6539\u5bc6\u7801<\/h4>\n<p>MySQL 8.0 \u7684\u7528\u6237\u6388\u6743\u8bed\u53e5\u548c\u4e4b\u524d\u7248\u672c\u6709\u6240\u533a\u522b\uff0c\u8001\u7248\u672c\u7684\u5e38\u7528\u6388\u6743\u8bed\u53e5\u5728 MySQL 8.0 \u7248\u672c\u4e2d \u5df2\u4e0d\u80fd\u4f7f\u7528\uff0c\u5982\u4f7f\u7528\u65e7\u7248\u672c\u6388\u6743\u8bed\u53e5\u4f1a\u62a5\u9519\u3002<\/p>\n<ul class=\"list-paddingleft-2\">\n<li>\u5728 MySQL 8.0 \u7528\u4e4b\u524d\u7248\u672c\u6388\u6743\u8bed\u53e5\u521b\u5efa\u7528\u6237\u3002<\/li>\n<\/ul>\n<pre><code>mysql&gt; GRANT ALL PRIVILEGES ON *.* TO `mike`@`%` IDENTIFIED BY '000000' WITH GRANT OPTION;\r\nERROR 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'IDENTIFIED BY '000000' WITH GRANT OPTION' at line 1<\/code><\/pre>\n<ul class=\"list-paddingleft-2\">\n<li>\u5728 MySQL 8.0 \u7248\u672c\u4e2d\u6b63\u786e\u6388\u6743\u8bed\u53e5\u3002<\/li>\n<\/ul>\n<pre><code>mysql&gt; CREATE USER 'mike'@'%' IDENTIFIED BY '000000';\r\nmysql&gt; GRANT ALL ON *.* TO 'mike'@'%' WITH GRANT OPTION;<\/code><\/pre>\n<h4>\u5bc6\u7801\u8fc7\u671f\u65f6\u95f4\u7ba1\u7406<\/h4>\n<p>MySQL \u4ece 5.6.6 \u5f00\u59cb\u5f15\u5165\u5bc6\u7801\u81ea\u52a8\u8fc7\u671f\u7684\u65b0\u529f\u80fd\uff0c\u5e76\u5728 MySQL 5.7.4 \u7248\u672c\u4e2d\u6539\u8fdb\u4e86\u7528\u6237\u5bc6\u7801\u8fc7\u671f\u65f6\u95f4\u8fd9\u4e2a\u7279\u6027\u3002\u73b0\u5728\u53ef\u4ee5\u901a\u8fc7\u4e00\u4e2a\u5168\u5c40\u53d8\u91cf <code>default_password_lifetime<\/code> \u6765\u8bbe\u7f6e\u4e00\u4e2a\u5168\u5c40\u7684\u81ea\u52a8\u5bc6\u7801\u8fc7\u671f\u7b56\u7565\u3002<\/p>\n<p><code>default_password_lifetime<\/code> \u5176\u9ed8\u8ba4\u503c\u4e3a 0\uff0c\u8868\u793a\u7981\u7528\u81ea\u52a8\u5bc6\u7801\u8fc7\u671f\u3002<code>default_password_lifetime<\/code> \u7684\u503c\u5982\u662f\u662f\u6b63\u6574\u6570 N \uff0c\u5219\u8868\u793a\u5141\u8bb8\u7684\u8bbe\u7f6e\u5bc6\u7801\u751f\u5b58\u5468\u671f \u4e3a N\uff0c\u5355\u4f4d\u4e3a\u5929 \u3002<\/p>\n<ul class=\"list-paddingleft-2\">\n<li><code>default_password_lifetime<\/code> \u5168\u5c40\u5bc6\u7801\u5230\u671f\u7b56\u7565\u9ed8\u8ba4\u4e3a\u6c38\u4e45\uff0c\u4e0d\u8fc7\u671f\u3002<\/li>\n<\/ul>\n<pre><code>mysql&gt; show variables like 'default_password_lifetime';\r\n+---------------------------+-------+\r\n| Variable_name \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 | Value |\r\n+---------------------------+-------+\r\n| default_password_lifetime | 0 \u00a0 \u00a0 |\r\n+---------------------------+-------+\r\n1 row in set (0.00 sec)<\/code><\/pre>\n<ul class=\"list-paddingleft-2\">\n<li>\u5982\u679c\u4f60\u8981\u5efa\u7acb\u4e00\u4e2a\u5168\u5c40\u7b56\u7565\uff0c\u8ba9\u6240\u6709\u7528\u6237\u7684\u5bc6\u7801\u7684\u4f7f\u7528\u671f\u9650\u4e3a\u516d\u4e2a\u6708\uff0c\u53ef\u5728\u670d\u52a1\u7aef\u914d\u7f6e\u6587\u4ef6 my.cnf \u4e2d\u4fee\u6539 <code>default_password_lifetime<\/code> \u914d\u7f6e\u9879\u7684\u503c\u4e3a 180\u3002<\/li>\n<\/ul>\n<pre><code>[mysqld]\r\ndefault_password_lifetime=180<\/code><\/pre>\n<ul class=\"list-paddingleft-2\">\n<li>\u5982\u679c\u4f60\u8981\u6062\u590d\u5168\u5c40\u7b56\u7565\uff0c\u8ba9\u6240\u6709\u7528\u6237\u7684\u5bc6\u7801\u6c38\u4e0d\u8fc7\u671f\uff0c\u53ef\u5728\u670d\u52a1\u7aef\u914d\u7f6e\u6587\u4ef6 my.cnf \u4e2d\u4fee\u6539 <code>default_password_lifetime<\/code> \u914d\u7f6e\u9879\u7684\u503c\u4e3a 0\u3002<\/li>\n<\/ul>\n<pre><code>[mysqld]\r\ndefault_password_lifetime=0<\/code><\/pre>\n<ul class=\"list-paddingleft-2\">\n<li><code>default_password_lifetime<\/code> \u53c2\u6570\u662f\u652f\u6301\u6c38\u4e45\u52a8\u6001\u8bbe\u7f6e\u7684\uff0c\u4f60\u4e5f\u53ef\u4ee5\u7528\u4ee5\u4e0b\u547d\u4ee4\u5728 MySQL \u547d\u4ee4\u884c\u4e0b\u76f4\u63a5\u8bbe\u7f6e\u751f\u6548\u3002<\/li>\n<\/ul>\n<pre><code># \u8bbe\u7f6e\u9ed8\u8ba4\u5bc6\u7801\u8fc7\u671f\u7b56\u7565\u4e3a 180 \u5929\u540e\u8fc7\u671f\r\nmysql&gt; SET PERSIST default_password_lifetime = 180;\r\n\r\n# \u8bbe\u7f6e\u9ed8\u8ba4\u5bc6\u7801\u8fc7\u671f\u7b56\u7565\u4e3a\u6c38\u4e0d\u8fc7\u671f\r\nmysql&gt; SET PERSIST default_password_lifetime = 0;\r\n\r\n# MySQL 8.0 \u6c38\u4e45\u52a8\u6001\u4fee\u6539\u53c2\u6570\u4f1a\u4fdd\u5b58\u5728\u914d\u7f6e\u6587\u4ef6 mysqld-auto.cnf \u4e2d\uff0c\u4fdd\u5b58\u7684\u683c\u5f0f\u4e3aJSON\u4e32\u3002\r\n$ cat \u00a0\/var\/lib\/mysql\/mysqld-auto.cnf\r\n{ \"Version\" : 1 , \"mysql_server\" : { \"default_password_lifetime\" : { \"Value\" : \"180\" , \"Metadata\" : { \"Timestamp\" : 1525663928688419 , \"User\" : \"root\" , \"Host\" : \"\" } } } }<\/code><\/pre>\n<ul class=\"list-paddingleft-2\">\n<li>\u521b\u5efa\u548c\u4fee\u6539\u5e26\u6709\u5bc6\u7801\u8fc7\u671f\u65f6\u95f4\u7684\u7528\u6237\u793a\u4f8b<\/li>\n<\/ul>\n<p>\u521b\u5efa\u6216\u4fee\u6539\u4e00\u4e2a\u7528\u6237\u7684\u5bc6\u7801\u8fc7\u671f\u65f6\u95f4\u4e3a 90 \u5929\u3002<\/p>\n<pre><code>mysql&gt; CREATE USER 'mike'@'%' IDENTIFIED BY '000000' PASSWORD EXPIRE INTERVAL 90 DAY;\r\nmysql&gt; ALTER USER `mike`@`%` PASSWORD EXPIRE INTERVAL 90 DAY;<\/code><\/pre>\n<p>\u521b\u5efa\u6216\u4fee\u6539\u4e00\u4e2a\u7528\u6237\u7684\u5bc6\u7801\u8fc7\u671f\u65f6\u95f4\u4e3a\u6c38\u4e0d\u8fc7\u671f\u3002<\/p>\n<pre><code>mysql&gt; CREATE USER 'mike'@'%' PASSWORD EXPIRE NEVER;\r\nmysql&gt; ALTER USER 'mike'@'%' PASSWORD EXPIRE NEVER;<\/code><\/pre>\n<p>\u521b\u5efa\u6216\u4fee\u6539\u4e00\u4e2a\u9075\u5faa\u5168\u5c40\u5230\u671f\u7b56\u7565\u7684\u7528\u6237\u3002<\/p>\n<pre><code>mysql&gt; CREATE USER 'mike'@'%' PASSWORD EXPIRE DEFAULT;\r\nmysql&gt; ALTER USER 'mike'@'%' PASSWORD EXPIRE DEFAULT;<\/code><\/pre>\n<p>\u67e5\u770b\u7528\u6237\u7684\u5bc6\u7801\u8fc7\u671f\u65f6\u95f4\u3002<\/p>\n<pre><code>mysql&gt; select user,host,password_last_changed,password_lifetime,password_expired from mysql.user;\r\n+------------------+-----------+-----------------------+-------------------+------------------+\r\n| user \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 | host \u00a0 \u00a0 \u00a0| password_last_changed | password_lifetime | password_expired |\r\n+------------------+-----------+-----------------------+-------------------+------------------+\r\n| mike \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 | % \u00a0 \u00a0 \u00a0 \u00a0 | 2018-05-07 11:13:39 \u00a0 | \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a090 | N \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0|\r\n| root \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 | % \u00a0 \u00a0 \u00a0 \u00a0 | 2018-05-04 16:46:05 \u00a0 | \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0NULL | N \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0|\r\n| mysql.infoschema | localhost | 2018-05-04 16:45:55 \u00a0 | \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0NULL | N \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0|\r\n| mysql.session \u00a0 \u00a0| localhost | 2018-05-04 16:45:55 \u00a0 | \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0NULL | N \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0|\r\n| mysql.sys \u00a0 \u00a0 \u00a0 \u00a0| localhost | 2018-05-04 16:45:55 \u00a0 | \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0NULL | N \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0|\r\n| root \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 | localhost | 2018-05-04 16:46:05 \u00a0 | \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0NULL | N \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0|\r\n+------------------+-----------+-----------------------+-------------------+------------------+\r\n6 rows in set (0.00 sec)<\/code><\/pre>\n<h4>\u9501\u5b9a\/\u89e3\u9501\u7528\u6237\u5e10\u6237<\/h4>\n<p>\u4ece MySQL 5.7.8 \u5f00\u59cb\uff0c\u7528\u6237\u7ba1\u7406\u65b9\u9762\u6dfb\u52a0\u4e86\u9501\u5b9a\/\u89e3\u9501\u7528\u6237\u5e10\u6237\u7684\u65b0\u7279\u6027\u3002\u4e0b\u9762\u6211\u4eec\u5c31\u6765\u770b\u4e0b\u8fd9\u4e2a\u7279\u6027\u7684\u4e00\u4e9b\u5177\u4f53\u793a\u4f8b\u3002<\/p>\n<ul class=\"list-paddingleft-2\">\n<li>\u521b\u5efa\u4e00\u4e2a\u5e26\u5e10\u6237\u9501\u7684\u7528\u6237<\/li>\n<\/ul>\n<pre><code>mysql&gt; CREATE USER 'mike-temp1'@'%' IDENTIFIED BY '000000' ACCOUNT LOCK;<\/code><\/pre>\n<p>\u63a5\u4e0b\u6765\u5c1d\u8bd5\u7528\u65b0\u521b\u5efa\u7684\u7528\u6237\u767b\u9646\uff0c\u6b64\u65f6\u4f1a\u5f97\u5230\u4e00\u4e2a ERROR 3118 \u9519\u8bef\u6d88\u606f\u63d0\u793a\u3002<\/p>\n<pre><code>$ mysql -umike-temp1 -p000000\r\nmysql: [Warning] Using a password on the command line interface can be insecure.\r\nERROR 3118 (HY000): Access denied for user 'mike-temp1'@'172.22.0.1'. Account is locked.<\/code><\/pre>\n<p>\u5982\u679c\u4f60\u9700\u8981\u89e3\u9501\u6b64\u7528\u6237\uff0c\u6b64\u65f6\u5c31\u9700\u8981\u4f7f\u7528\u4ee5\u4e0b\u8bed\u53e5\u5bf9\u5176\u8fdb\u884c\u89e3\u9501\u4e86\u3002<\/p>\n<pre><code>mysql&gt; ALTER USER 'mike-temp1'@'%' ACCOUNT UNLOCK;\r\nQuery OK, 0 rows affected (0.00 sec)<\/code><\/pre>\n<p>\u73b0\u5728\uff0c\u8fd9\u4e2a\u7528\u6237\u5c31\u5df2\u7ecf\u89e3\u9501\uff0c\u518d\u6b21\u5c1d\u8bd5\u767b\u9646\u3002<\/p>\n<pre><code>$ mysql -umike-temp1 -p000000\r\nWelcome to the MySQL monitor. \u00a0Commands end with ; or \\g.\r\nYour MySQL connection id is 10\r\nServer version: 8.0.11 MySQL Community Server - GPL\r\n\r\nCopyright (c) 2000, 2018, Oracle and\/or its affiliates. All rights reserved.\r\n\r\nOracle is a registered trademark of Oracle Corporation and\/or its\r\naffiliates. Other names may be trademarks of their respective\r\nowners.\r\n\r\nType 'help;' or '\\h' for help. Type '\\c' to clear the current input statement.\r\n\r\nmysql&gt;<\/code><\/pre>\n<ul class=\"list-paddingleft-2\">\n<li>\u4fee\u6539\u4e00\u4e2a\u7528\u6237\u4e3a\u9501\u5b9a\u72b6\u6001<\/li>\n<\/ul>\n<p>\u5982\u679c\u7528\u6237\u5df2\u5efa\u7acb\uff0c\u4f60\u4e5f\u53ef\u4ee5\u8fd9\u6837\u9501\u5b9a\u7528\u6237\u5e10\u6237\u3002<\/p>\n<pre><code>mysql&gt; ALTER USER 'mike'@'%' ACCOUNT LOCK;\r\nQuery OK, 0 rows affected (0.00 sec)<\/code><\/pre>\n<h4>\u8bbe\u7f6e MySQL \u7528\u6237\u5bc6\u7801\u91cd\u7528\u7b56\u7565<\/h4>\n<p>\u4ece MySQL 8.0 \u5f00\u59cb\u5141\u8bb8\u9650\u5236\u91cd\u590d\u4f7f\u7528\u4ee5\u524d\u7684\u5bc6\u7801\u3002\u53ef\u4ee5\u6839\u636e\u5bc6\u7801\u66f4\u6539\u6b21\u6570\u3001\u5df2\u7528\u65f6\u95f4\u6216\u4e24\u8005\u6765\u5efa\u7acb\u5bc6\u7801\u91cd\u7528\u9650\u5236\u3002\u5e10\u6237\u7684\u5bc6\u7801\u5386\u53f2\u7531\u8fc7\u53bb\u5206\u914d\u7684\u5bc6\u7801\u7ec4\u6210\uff0cMySQL \u53ef\u4ee5\u9650\u5236\u4ece\u6b64\u5386\u53f2\u8bb0\u5f55\u4e2d\u9009\u62e9\u65b0\u5bc6\u7801\u3002<\/p>\n<ul class=\"list-paddingleft-2\">\n<li>\u5982\u679c\u6839\u636e\u5bc6\u7801\u66f4\u6539\u6b21\u6570\u9650\u5236\u5e10\u6237\uff0c\u5219\u65e0\u6cd5\u4ece\u6307\u5b9a\u6570\u91cf\u7684\u6700\u65b0\u5bc6\u7801\u4e2d\u9009\u62e9\u65b0\u5bc6\u7801\u3002\u4f8b\u5982\uff1a\u5982\u679c\u5bc6\u7801\u66f4\u6539\u7684\u6700\u5c0f\u6570\u91cf\u8bbe\u7f6e\u4e3a 3\uff0c\u5219\u65b0\u5bc6\u7801\u4e0d\u80fd\u4e0e\u4efb\u4f55\u6700\u8fd1\u76843\u4e2a\u5bc6\u7801\u76f8\u540c\u3002<\/li>\n<li>\u5982\u679c\u6839\u636e\u5bc6\u7801\u4fee\u6539\u65f6\u95f4\u6765\u9650\u5236\u5e10\u6237\uff0c\u5219\u65e0\u6cd5\u5c06\u6307\u5b9a\u65f6\u95f4\u5386\u53f2\u8bb0\u5f55\u4e2d\u7684\u5bc6\u7801\u4e2d\u9009\u62e9\u4e3a\u65b0\u5bc6\u7801\u3002\u4f8b\u5982\uff1a\u5982\u679c\u5bc6\u7801\u91cd\u7528\u95f4\u9694\u8bbe\u7f6e\u4e3a 60\uff0c\u5219\u65b0\u5bc6\u7801\u4e0d\u5f97\u5728\u6700\u8fd1 60 \u5929\u5185\u9009\u62e9\u7684\u5bc6\u7801\u76f8\u540c\u3002<\/li>\n<\/ul>\n<blockquote><p>\u6ce8\uff1a\u7a7a\u5bc6\u7801\u4e0d\u8bb0\u5f55\u5728\u5bc6\u7801\u5386\u53f2\u8bb0\u5f55\u4e2d\uff0c\u5e76\u968f\u65f6\u53ef\u4ee5\u91cd\u590d\u4f7f\u7528\u3002<\/p><\/blockquote>\n<p>\u8981\u5efa\u7acb\u5168\u5c40\u5bc6\u7801\u91cd\u7528\u7b56\u7565\uff0c\u53ef\u4fee\u6539 <code>password_history<\/code> \u548c <code>password_reuse_interval<\/code> \u7cfb\u7edf\u53d8\u91cf\u3002\u8be5\u53d8\u91cf\u53ef\u5728\u670d\u52a1\u914d\u7f6e\u6587\u4ef6 my.cnf \u4e2d\u914d\u7f6e\uff0c\u4ee5\u7981\u6b62\u91cd\u590d\u4f7f\u7528\u6700\u8fd1 6 \u4e2a\u5bc6\u7801\u6216\u6700\u8fd1 180 \u5929\u5185\u4f7f\u7528\u8fc7\u7684\u4efb\u4f55\u5bc6\u7801\u4e3a\u4f8b\u3002<\/p>\n<pre><code>[mysqld]\r\npassword_history=6\r\npassword_reuse_interval=180<\/code><\/pre>\n<p>\u8be5\u53c2\u6570\u662f\u652f\u6301\u6c38\u4e45\u52a8\u6001\u8bbe\u7f6e\uff0c\u4e5f\u53ef\u4ee5\u76f4\u63a5\u7528\u4e0b\u9762\u8bed\u53e5\u8fdb\u884c\u8bbe\u7f6e\u3002<\/p>\n<pre><code>mysql&gt; SET PERSIST password_history = 6;\r\nmysql&gt; SET PERSIST password_reuse_interval = 180;<\/code><\/pre>\n<h3>MySQL \u89d2\u8272\u7ba1\u7406<\/h3>\n<p>MySQL \u6570\u636e\u5e93\u4e2d\u901a\u5e38\u90fd\u4f1a\u51fa\u73b0\u591a\u4e2a\u62e5\u6709\u76f8\u540c\u6743\u9650\u96c6\u5408\u7684\u7528\u6237\uff0c\u5728\u4e4b\u524d\u7248\u672c\u4e2d\u53ea\u6709\u5206\u522b\u5411\u591a\u4e2a\u7528\u6237\u6388\u4e88\u548c\u64a4\u9500\u6743\u9650\u624d\u80fd\u5b9e\u73b0\u5355\u72ec\u66f4\u6539\u6bcf\u4e2a\u7528\u6237\u7684\u6743\u9650\u3002\u5728\u7528\u6237\u6570\u91cf\u6bd4\u8f83\u591a\u7684\u65f6\u5019\uff0c\u8fd9\u6837\u7684\u64cd\u4f5c\u662f\u975e\u5e38\u8017\u65f6\u7684\u3002<\/p>\n<p>MySQL 8.0 \u4e3a\u4e86\u7528\u6237\u6743\u9650\u7ba1\u7406\u66f4\u5bb9\u6613\uff0c\u63d0\u4f9b\u4e86\u4e00\u4e2a\u89d2\u8272\u7ba1\u7406\u7684\u65b0\u529f\u80fd\u3002\u89d2\u8272\u662f\u6307\u5b9a\u7684\u6743\u9650\u96c6\u5408\uff0c\u548c\u7528\u6237\u5e10\u6237\u4e00\u6837\u53ef\u4ee5\u5bf9\u89d2\u8272\u8fdb\u884c\u6743\u9650\u7684\u6388\u4e88\u548c\u64a4\u6d88\u3002\u5982\u679c\u7528\u6237\u88ab\u6388\u4e88\u89d2\u8272\u6743\u9650\uff0c\u5219\u8be5\u7528\u6237\u62e5\u6709\u8be5\u89d2\u8272\u7684\u6743\u9650\u3002<\/p>\n<p>MySQL 8.0 \u63d0\u4f9b\u7684\u89d2\u8272\u7ba1\u7406\u529f\u80fd\u5982\u4e0b\uff1a<\/p>\n<pre><code>CREATE ROLE \u89d2\u8272\u521b\u5efa\r\nDROP ROLE \u89d2\u8272\u5220\u9664\r\nGRANT \u4e3a\u7528\u6237\u548c\u89d2\u8272\u5206\u914d\u6743\u9650\r\nREVOKE \u4e3a\u7528\u6237\u548c\u89d2\u8272\u64a4\u9500\u6743\u9650\r\nSHOW GRANTS \u663e\u793a\u7528\u6237\u548c\u89d2\u8272\u7684\u6743\u9650\r\nSET DEFAULT ROLE \u6307\u5b9a\u54ea\u4e9b\u5e10\u6237\u89d2\u8272\u9ed8\u8ba4\u5904\u4e8e\u6d3b\u52a8\u72b6\u6001\r\nSET ROLE \u66f4\u6539\u5f53\u524d\u4f1a\u8bdd\u4e2d\u7684\u6d3b\u52a8\u89d2\u8272\r\nCURRENT_ROLE() \u663e\u793a\u5f53\u524d\u4f1a\u8bdd\u4e2d\u7684\u6d3b\u52a8\u89d2\u8272<\/code><\/pre>\n<h4>\u521b\u5efa\u89d2\u8272\u5e76\u6388\u4e88\u7528\u6237\u89d2\u8272\u6743\u9650<\/h4>\n<p>\u8fd9\u91cc\u6211\u4eec\u4ee5\u51e0\u79cd\u5e38\u89c1\u573a\u666f\u4e3a\u4f8b\u3002<\/p>\n<ul class=\"list-paddingleft-2\">\n<li>\u5e94\u7528\u7a0b\u5e8f\u9700\u8981\u8bfb\/\u5199\u6743\u9650\u3002<\/li>\n<li>\u8fd0\u7ef4\u4eba\u5458\u9700\u8981\u5b8c\u5168\u8bbf\u95ee\u6570\u636e\u5e93\u3002<\/li>\n<li>\u90e8\u5206\u5f00\u53d1\u4eba\u5458\u9700\u8981\u8bfb\u53d6\u6743\u9650\u3002<\/li>\n<li>\u90e8\u5206\u5f00\u53d1\u4eba\u5458\u9700\u8981\u8bfb\u5199\u6743\u9650\u3002<\/li>\n<\/ul>\n<p>\u5982\u679c\u8981\u5411\u591a\u4e2a\u7528\u6237\u6388\u4e88\u76f8\u540c\u7684\u6743\u9650\u96c6\uff0c\u5219\u5e94\u6309\u5982\u4e0b\u6b65\u9aa4\u6765\u8fdb\u884c\u3002<\/p>\n<ul class=\"list-paddingleft-2\">\n<li>\u521b\u5efa\u65b0\u7684\u89d2\u8272<\/li>\n<li>\u6388\u4e88\u89d2\u8272\u6743\u9650<\/li>\n<li>\u6388\u4e88\u7528\u6237\u89d2\u8272<\/li>\n<\/ul>\n<p>\u9996\u5148\uff0c\u6211\u4eec\u521b\u5efa\u56db\u4e2a\u89d2\u8272\u3002\u4e3a\u4e86\u6e05\u695a\u533a\u5206\u89d2\u8272\u7684\u6743\u9650\uff0c\u5efa\u8bae\u5c06\u89d2\u8272\u540d\u79f0\u547d\u540d\u5f97\u6bd4\u8f83\u76f4\u89c2\u3002<\/p>\n<pre><code>mysql&gt; CREATE ROLE 'app', 'ops', 'dev_read', 'dev_write';<\/code><\/pre>\n<blockquote><p>\u6ce8\uff1a\u89d2\u8272\u540d\u79f0\u683c\u5f0f\u7c7b\u4f3c\u4e8e\u7531\u7528\u6237\u548c\u4e3b\u673a\u90e8\u5206\u7ec4\u6210\u7684\u7528\u6237\u5e10\u6237\uff0c\u5982\uff1arole_name@host_name\u3002\u5982\u679c\u7701\u7565\u4e3b\u673a\u90e8\u5206\uff0c\u5219\u9ed8\u8ba4\u4e3a \u201c%\u201d\uff0c\u8868\u793a\u4efb\u4f55\u4e3b\u673a\u3002<\/p><\/blockquote>\n<p>\u521b\u5efa\u597d\u89d2\u8272\u540e\uff0c\u6211\u4eec\u5c31\u7ed9\u89d2\u8272\u6388\u4e88\u5bf9\u5e94\u7684\u6743\u9650\u3002\u8981\u6388\u4e88\u89d2\u8272\u6743\u9650\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528 <code>GRANT<\/code> \u8bed\u53e5\u3002<\/p>\n<pre><code># \u4ee5\u4e0b\u8bed\u53e5\u662f\u5411 app \u89d2\u8272\u6388\u4e88 wordpress \u6570\u636e\u5e93\u7684\u8bfb\u5199\u6743\u9650\r\nmysql&gt; GRANT SELECT, INSERT, UPDATE, DELETE ON wordpress.* TO 'app';\r\n# \u4ee5\u4e0b\u8bed\u53e5\u662f\u5411 ops \u89d2\u8272\u6388\u4e88 wordpress \u6570\u636e\u5e93\u7684\u6240\u6709\u6743\u9650\r\nmysql&gt; GRANT ALL PRIVILEGES ON wordpress.* TO 'ops';\r\n# \u4ee5\u4e0b\u8bed\u53e5\u662f\u5411 dev_read \u89d2\u8272\u6388\u4e88 wordpress \u6570\u636e\u5e93\u7684\u53ea\u8bfb\u6743\u9650\r\nmysql&gt; GRANT SELECT ON wordpress.* TO 'dev_read';\r\n# \u4ee5\u4e0b\u8bed\u53e5\u662f\u5411 dev_write \u89d2\u8272\u6388\u4e88 wordpress \u6570\u636e\u5e93\u7684\u5199\u6743\u9650\r\nmysql&gt; GRANT INSERT, UPDATE, DELETE ON wordpress.* TO 'dev_write';<\/code><\/pre>\n<blockquote><p>\u6ce8\uff1a\u8fd9\u91cc\u5047\u5b9a\u9700\u6388\u6743\u7684\u6570\u636e\u5e93\u540d\u79f0\u4e3a wordpress\u3002<\/p><\/blockquote>\n<p>\u6700\u540e\u6839\u636e\u5b9e\u9645\u60c5\u51b5\uff0c\u6211\u4eec\u5c06\u6307\u5b9a\u7528\u6237\u52a0\u5165\u5230\u5bf9\u5e94\u7684\u89d2\u8272\u3002\u5047\u8bbe\u9700\u8981\u4e00\u4e2a\u5e94\u7528\u7a0b\u5e8f\u4f7f\u7528\u7684\u5e10\u6237\u3001\u4e00\u4e2a\u8fd0\u7ef4\u4eba\u5458\u5e10\u6237\u3001\u4e00\u4e2a\u662f\u5f00\u53d1\u4eba\u5458\u53ea\u8bfb\u5e10\u6237\u548c\u4e24\u4e2a\u5f00\u53d1\u4eba\u5458\u8bfb\u5199\u5e10\u6237\u3002<\/p>\n<ul class=\"list-paddingleft-2\">\n<li>\u521b\u5efa\u65b0\u7528\u6237<\/li>\n<\/ul>\n<pre><code># \u5e94\u7528\u7a0b\u5e8f\u5e10\u6237\r\nmysql&gt; CREATE USER 'app01'@'%' IDENTIFIED BY '000000';\r\n# \u8fd0\u7ef4\u4eba\u5458\u5e10\u6237\r\nmysql&gt; CREATE USER 'ops01'@'%' IDENTIFIED BY '000000';\r\n# \u5f00\u53d1\u4eba\u5458\u53ea\u8bfb\u5e10\u6237\r\nmysql&gt; CREATE USER 'dev01'@'%' IDENTIFIED BY '000000';\r\n# \u5f00\u53d1\u8bfb\u5199\u5e10\u6237\r\nmysql&gt; CREATE USER 'dev02'@'%' IDENTIFIED BY '000000';\r\nmysql&gt; CREATE USER 'dev03'@'%' IDENTIFIED BY '000000';<\/code><\/pre>\n<ul class=\"list-paddingleft-2\">\n<li>\u7ed9\u7528\u6237\u5206\u914d\u89d2\u8272<\/li>\n<\/ul>\n<pre><code>mysql&gt; GRANT app TO 'app01'@'%';\r\nmysql&gt; GRANT ops TO 'ops01'@'%';\r\nmysql&gt; GRANT dev_read TO 'dev01'@'%';<\/code><\/pre>\n<p>\u5982\u679c\u8981\u5c06\u591a\u4e2a\u7528\u6237\u540c\u65f6\u52a0\u5165\u591a\u4e2a\u89d2\u8272\uff0c\u53ef\u4ee5\u4f7f\u7528\u7c7b\u4f3c\u8bed\u53e5\u3002<\/p>\n<pre><code>mysql&gt; GRANT dev_read, dev_write TO 'dev02'@'%', 'dev03'@'%';<\/code><\/pre>\n<h4>\u68c0\u67e5\u89d2\u8272\u6743\u9650<\/h4>\n<p>\u8981\u9a8c\u8bc1\u89d2\u8272\u662f\u5426\u6b63\u786e\u5206\u914d\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>SHOW GRANTS<\/code> \u8bed\u53e5\u3002<\/p>\n<pre><code>mysql&gt; SHOW GRANTS FOR 'dev01'@'%';\r\n+-------------------------------------+\r\n| Grants for dev01@% \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0|\r\n+-------------------------------------+\r\n| GRANT USAGE ON *.* TO `dev01`@`%` \u00a0 |\r\n| GRANT `dev_read`@`%` TO `dev01`@`%` |\r\n+-------------------------------------+\r\n2 rows in set (0.00 sec)<\/code><\/pre>\n<p>\u6b63\u5982\u4f60\u6240\u770b\u5230\u7684\uff0c\u548c\u4e4b\u524d\u7248\u672c\u4e0d\u540c\u7684\u662f <code>SHOW GRANTS<\/code> \u53ea\u8fd4\u56de\u6388\u4e88\u89d2\u8272\u3002\u5982\u679c\u8981\u663e\u793a\u89d2\u8272\u6240\u4ee3\u8868\u7684\u6743\u9650\uff0c\u9700\u8981\u52a0\u4e0a <code>USING<\/code> \u5b50\u53e5\u548c\u6388\u6743\u89d2\u8272\u7684\u540d\u79f0\u3002<\/p>\n<pre><code>mysql&gt; SHOW GRANTS FOR 'dev01'@'%' USING dev_read;\r\n+----------------------------------------------+\r\n| Grants for dev01@% \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 |\r\n+----------------------------------------------+\r\n| GRANT USAGE ON *.* TO `dev01`@`%` \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0|\r\n| GRANT SELECT ON `wordpress`.* TO `dev01`@`%` |\r\n| GRANT `dev_read`@`%` TO `dev01`@`%` \u00a0 \u00a0 \u00a0 \u00a0 \u00a0|\r\n+----------------------------------------------+\r\n3 rows in set (0.00 sec)<\/code><\/pre>\n<h4>\u8bbe\u7f6e\u9ed8\u8ba4\u89d2\u8272<\/h4>\n<p>\u73b0\u5728\uff0c\u5982\u679c\u60a8\u4f7f\u7528 dev01 \u7528\u6237\u5e10\u6237\u8fde\u63a5\u5230 MySQL\uff0c\u5e76\u5c1d\u8bd5\u8bbf\u95ee wordpress \u6570\u636e\u5e93\u4f1a\u51fa\u73b0\u4ee5\u4e0b\u9519\u8bef\u3002<\/p>\n<pre><code>$ mysql -u dev01 -p000000\r\nWelcome to the MySQL monitor. \u00a0Commands end with ; or \\g.\r\nYour MySQL connection id is 11\r\nServer version: 8.0.11 MySQL Community Server - GPL\r\n\r\nCopyright (c) 2000, 2018, Oracle and\/or its affiliates. All rights reserved.\r\n\r\nOracle is a registered trademark of Oracle Corporation and\/or its\r\naffiliates. Other names may be trademarks of their respective\r\nowners.\r\n\r\nType 'help;' or '\\h' for help. Type '\\c' to clear the current input statement.\r\n\r\nmysql&gt; use wordpress;\r\nERROR 1044 (42000): Access denied for user 'dev01'@'%' to database 'wordpress'<\/code><\/pre>\n<p>\u8fd9\u662f\u56e0\u4e3a\u5728\u5411\u7528\u6237\u5e10\u6237\u6388\u4e88\u89d2\u8272\u540e\uff0c\u5f53\u7528\u6237\u5e10\u6237\u8fde\u63a5\u5230\u6570\u636e\u5e93\u670d\u52a1\u5668\u65f6\uff0c\u5b83\u5e76\u4e0d\u4f1a\u81ea\u52a8\u4f7f\u89d2\u8272\u53d8\u4e3a\u6d3b\u52a8\u72b6\u6001\u3002<\/p>\n<pre><code># \u8c03\u7528 CURRENT_ROLE() \u51fd\u6570\u67e5\u770b\u5f53\u524d\u89d2\u8272\u3002\r\nmysql&gt; SELECT current_role();\r\n+----------------+\r\n| current_role() |\r\n+----------------+\r\n| NONE \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 |\r\n+----------------+\r\n1 row in set (0.00 sec)<\/code><\/pre>\n<p>\u8fd9\u91cc\u8fd4\u56de NONE\uff0c\u5c31\u610f\u5473\u7740\u5f53\u524d\u6ca1\u6709\u542f\u7528\u4efb\u4f55\u89d2\u8272\u3002\u8981\u5728\u6bcf\u6b21\u7528\u6237\u5e10\u6237\u8fde\u63a5\u5230\u6570\u636e\u5e93\u670d\u52a1\u5668\u65f6\u6307\u5b9a\u54ea\u4e9b\u89d2\u8272\u5e94\u8be5\u5904\u4e8e\u6d3b\u52a8\u72b6\u6001\uff0c\u9700\u7528\u4f7f\u7528 <code>SET DEFAULT ROLE<\/code> \u8bed\u53e5\u6765\u6307\u5b9a\u3002<\/p>\n<pre><code># \u4ee5\u4e0b\u8bed\u53e5\u5c06\u628a dev01 \u5e10\u6237\u5206\u914d\u7684\u6240\u6709\u89d2\u8272\u90fd\u8bbe\u7f6e\u4e3a\u9ed8\u8ba4\u503c\u3002\r\nmysql&gt; SET DEFAULT ROLE ALL TO 'dev01'@'%';<\/code><\/pre>\n<p>\u518d\u6b21\u4f7f\u7528 dev01 \u7528\u6237\u5e10\u6237\u8fde\u63a5\u5230 MySQL \u6570\u636e\u5e93\u670d\u52a1\u5668\u5e76\u8c03\u7528 <code>CURRENT_ROLE()<\/code> \u51fd\u6570\uff0c\u60a8\u5c06\u770b\u5230 dev01 \u7528\u6237\u5e10\u6237\u7684\u9ed8\u8ba4\u89d2\u8272\u3002<\/p>\n<pre><code>$ mysql -u dev01 -p000000\r\nWelcome to the MySQL monitor. \u00a0Commands end with ; or \\g.\r\nYour MySQL connection id is 11\r\nServer version: 8.0.11 MySQL Community Server - GPL\r\n\r\nCopyright (c) 2000, 2018, Oracle and\/or its affiliates. All rights reserved.\r\n\r\nOracle is a registered trademark of Oracle Corporation and\/or its\r\naffiliates. Other names may be trademarks of their respective\r\nowners.\r\n\r\nType 'help;' or '\\h' for help. Type '\\c' to clear the current input statement.\r\n\r\nmysql&gt;\r\n\r\n# \u67e5\u770b dev01 \u7528\u6237\u5e10\u6237\u7684\u9ed8\u8ba4\u89d2\u8272\u3002\r\nmysql&gt; SELECT current_role();\r\n+----------------+\r\n| current_role() |\r\n+----------------+\r\n| `dev_read`@`%` |\r\n+----------------+\r\n1 row in set (0.00 sec)<\/code><\/pre>\n<p>\u6700\u540e\u901a\u8fc7\u5c06\u5f53\u524d\u6570\u636e\u5e93\u5207\u6362\u5230 wordpress \u6570\u636e\u5e93\uff0c\u5e76\u6267\u884c <code>SELECT<\/code> \u8bed\u53e5\u548c <code>DELETE<\/code> \u8bed\u53e5\u6765\u6d4b\u8bd5 dev01 \u5e10\u6237\u7684\u6743\u9650\u3002<\/p>\n<pre><code>mysql&gt; use wordpress;\r\nDatabase changed\r\n\r\nmysql&gt; select \u00a0count(*) from wp_terms;\r\n+----------+\r\n| count(*) |\r\n+----------+\r\n| \u00a0 \u00a0 \u00a0357 |\r\n+----------+\r\n1 row in set (0.00 sec)\r\n\r\nmysql&gt; DELETE from wp_terms;\r\nERROR 1142 (42000): DELETE command denied to user 'dev01'@'172.22.0.1' for table 'wp_terms'<\/code><\/pre>\n<p>\u5982\u4e0a\u9762\u7ed3\u679c\u6240\u793a\uff0c\u5f53\u6211\u4eec\u53d1\u51fa <code>DELETE<\/code> \u8bed\u53e5\u65f6\uff0c\u5c31\u6536\u5230\u4e00\u4e2a\u9519\u8bef\u3002\u56e0\u4e3a dev01 \u7528\u6237\u5e10\u6237\u53ea\u6709\u8bfb\u53d6\u8bbf\u95ee\u6743\u9650\u3002<\/p>\n<h4>\u8bbe\u7f6e\u6d3b\u52a8\u89d2\u8272<\/h4>\n<p>\u7528\u6237\u5e10\u6237\u53ef\u4ee5\u901a\u8fc7\u6307\u5b9a\u54ea\u4e2a\u6388\u6743\u89d2\u8272\u5904\u4e8e\u6d3b\u52a8\u72b6\u6001\u6765\u4fee\u6539\u5f53\u524d\u7528\u6237\u5728\u5f53\u524d\u4f1a\u8bdd\u4e2d\u7684\u6709\u6548\u6743\u9650\u3002<\/p>\n<ul class=\"list-paddingleft-2\">\n<li>\u5c06\u6d3b\u52a8\u89d2\u8272\u8bbe\u7f6e\u4e3a NONE\uff0c\u8868\u793a\u6ca1\u6709\u6d3b\u52a8\u89d2\u8272\u3002<\/li>\n<\/ul>\n<pre><code>mysql&gt; SET ROLE NONE;<\/code><\/pre>\n<ul class=\"list-paddingleft-2\">\n<li>\u5c06\u6d3b\u52a8\u89d2\u8272\u8bbe\u7f6e\u4e3a\u6240\u6709\u6388\u4e88\u7684\u89d2\u8272\u3002<\/li>\n<\/ul>\n<pre><code>mysql&gt; SET ROLE ALL;<\/code><\/pre>\n<ul class=\"list-paddingleft-2\">\n<li>\u5c06\u6d3b\u52a8\u89d2\u8272\u8bbe\u7f6e\u4e3a\u7531 <code>SET DEFAULT ROLE<\/code> \u8bed\u53e5\u8bbe\u7f6e\u7684\u9ed8\u8ba4\u89d2\u8272\u3002<\/li>\n<\/ul>\n<pre><code>mysql&gt; SET ROLE DEFAULT;<\/code><\/pre>\n<ul class=\"list-paddingleft-2\">\n<li>\u540c\u65f6\u8bbe\u7f6e\u591a\u4e2a\u6d3b\u52a8\u7684\u89d2\u8272\u3002<\/li>\n<\/ul>\n<pre><code>mysql&gt; SET ROLE granted_role_1, granted_role_2, ...<\/code><\/pre>\n<h4>\u64a4\u6d88\u89d2\u8272\u6216\u89d2\u8272\u6743\u9650<\/h4>\n<p>\u6b63\u5982\u53ef\u4ee5\u6388\u6743\u67d0\u4e2a\u7528\u6237\u7684\u89d2\u8272\u4e00\u6837\uff0c\u4e5f\u53ef\u4ee5\u4ece\u7528\u6237\u5e10\u6237\u4e2d\u64a4\u9500\u8fd9\u4e9b\u89d2\u8272\u3002\u8981\u4ece\u7528\u6237\u5e10\u6237\u4e2d\u64a4\u9500\u89d2\u8272\u9700\u8981\u4f7f\u7528 <code>REVOKE<\/code> \u8bed\u53e5\u3002<\/p>\n<pre><code>mysql&gt; REVOKE role FROM user;<\/code><\/pre>\n<p><code>REVOKE<\/code> \u4e5f\u53ef\u4ee5\u7528\u4e8e\u4fee\u6539\u89d2\u8272\u6743\u9650\u3002\u8fd9\u4e0d\u4ec5\u5f71\u54cd\u89d2\u8272\u672c\u8eab\u6743\u9650\uff0c\u8fd8\u5f71\u54cd\u4efb\u4f55\u6388\u4e88\u8be5\u89d2\u8272\u7684\u7528\u6237\u6743\u9650\u3002\u5047\u8bbe\u60f3\u4e34\u65f6\u8ba9\u6240\u6709\u5f00\u53d1\u7528\u6237\u53ea\u8bfb\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>REVOKE<\/code> \u4ece dev_write \u89d2\u8272\u4e2d\u64a4\u6d88\u4fee\u6539\u6743\u9650\u3002\u6211\u4eec\u5148\u6765\u770b\u4e0b\u7528\u6237\u5e10\u6237 dev02 \u64a4\u6d88\u524d\u7684\u6743\u9650\u3002<\/p>\n<pre><code>mysql&gt; SHOW GRANTS FOR 'dev02'@'%' USING 'dev_read', 'dev_write';\r\n+----------------------------------------------------------------------+\r\n| Grants for dev02@% \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 |\r\n+----------------------------------------------------------------------+\r\n| GRANT USAGE ON *.* TO `dev02`@`%` \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0|\r\n| GRANT SELECT, INSERT, UPDATE, DELETE ON `wordpress`.* TO `dev02`@`%` |\r\n| GRANT `dev_read`@`%`,`dev_write`@`%` TO `dev02`@`%` \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0|\r\n+----------------------------------------------------------------------+\r\n3 rows in set (0.00 sec)<\/code><\/pre>\n<p>\u63a5\u4e0b\u6765\u4ece dev_write \u89d2\u8272\u4e2d\u64a4\u6d88\u6389\u4fee\u6539\u6743\u9650\u3002<\/p>\n<pre><code>mysql&gt; REVOKE INSERT, UPDATE, DELETE ON wordpress.* FROM 'dev_write';\r\nQuery OK, 0 rows affected (0.03 sec)<\/code><\/pre>\n<p>\u6700\u540e\u6211\u4eec\u5728\u6765\u770b\u770b dev02 \u7528\u6237\u5e10\u6237\u5f53\u524d\u6743\u9650\u3002<\/p>\n<pre><code>mysql&gt; SHOW GRANTS FOR 'dev02'@'%' USING 'dev_read', 'dev_write';\r\n+-----------------------------------------------------+\r\n| Grants for dev02@% \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0|\r\n+-----------------------------------------------------+\r\n| GRANT USAGE ON *.* TO `dev02`@`%` \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 |\r\n| GRANT SELECT ON `wordpress`.* TO `dev02`@`%` \u00a0 \u00a0 \u00a0 \u00a0|\r\n| GRANT `dev_read`@`%`,`dev_write`@`%` TO `dev02`@`%` |\r\n+-----------------------------------------------------+\r\n3 rows in set (0.00 sec)<\/code><\/pre>\n<p>\u4ece\u4e0a\u9762\u7684\u7ed3\u679c\u53ef\u4ee5\u770b\u51fa\uff0c\u89d2\u8272\u4e2d\u64a4\u9500\u6743\u9650\u4f1a\u5f71\u54cd\u5230\u8be5\u89d2\u8272\u4e2d\u4efb\u4f55\u7528\u6237\u7684\u6743\u9650\u3002\u56e0\u6b64 dev02 \u73b0\u5728\u5df2\u7ecf\u6ca1\u6709\u8868\u4fee\u6539\u6743\u9650\uff08INSERT\uff0cUPDATE\uff0c\u548c DELETE \u6743\u9650\u5df2\u7ecf\u53bb\u6389\uff09\u3002\u5982\u679c\u8981\u6062\u590d\u89d2\u8272\u7684\u4fee\u6539\u6743\u9650\uff0c\u53ea\u9700\u91cd\u65b0\u6388\u4e88\u5b83\u4eec\u5373\u53ef\u3002<\/p>\n<pre><code># \u6388\u4e88 dev_write \u89d2\u8272\u4fee\u6539\u6743\u9650\u3002\r\nmysql&gt; GRANT INSERT, UPDATE, DELETE ON wordpress.* TO 'dev_write';\r\n\r\n# \u518d\u6b21\u67e5\u770b dev02 \u7528\u6237\u6743\u9650\uff0c\u4fee\u6539\u6743\u9650\u5df2\u7ecf\u6062\u590d\u3002\r\nmysql&gt; SHOW GRANTS FOR 'dev02'@'%' USING 'dev_read', 'dev_write';\r\n+----------------------------------------------------------------------+\r\n| Grants for dev02@% \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 |\r\n+----------------------------------------------------------------------+\r\n| GRANT USAGE ON *.* TO `dev02`@`%` \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0|\r\n| GRANT SELECT, INSERT, UPDATE, DELETE ON `wordpress`.* TO `dev02`@`%` |\r\n| GRANT `dev_read`@`%`,`dev_write`@`%` TO `dev02`@`%` \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0|\r\n+----------------------------------------------------------------------+\r\n3 rows in set (0.00 sec)<\/code><\/pre>\n<h4>\u5220\u9664\u89d2\u8272<\/h4>\n<p>\u8981\u5220\u9664\u4e00\u4e2a\u6216\u591a\u4e2a\u89d2\u8272\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>DROP ROLE<\/code> \u8bed\u53e5\u3002<\/p>\n<pre><code>mysql&gt; DROP ROLE 'role_name', 'role_name', ...;<\/code><\/pre>\n<p>\u5982\u540c <code>REVOKE<\/code> \u8bed\u53e5\u4e00\u6837\uff0c\u5220\u9664\u89d2\u8272\u4f1a\u4ece\u6388\u6743\u5b83\u7684\u6bcf\u4e2a\u5e10\u6237\u4e2d\u64a4\u6d88\u8be5\u89d2\u8272\u3002\u4f8b\u5982\uff0c\u8981\u5220\u9664 dev_read\uff0cdev_write\u89d2\u8272\uff0c\u53ef\u4f7f\u7528\u4ee5\u4e0b\u8bed\u53e5\u3002<\/p>\n<pre><code>mysql&gt; DROP ROLE 'dev_read', 'dev_write';<\/code><\/pre>\n<h4>\u590d\u5236\u7528\u6237\u5e10\u6237\u6743\u9650\u5230\u53e6\u4e00\u4e2a\u7528\u6237<\/h4>\n<p>MySQL 8.0 \u5c06\u6bcf\u4e00\u4e2a\u7528\u6237\u5e10\u6237\u89c6\u4e3a\u89d2\u8272\uff0c\u56e0\u6b64\u53ef\u4ee5\u5c06\u7528\u6237\u5e10\u6237\u6388\u4e88\u53e6\u4e00\u4e2a\u7528\u6237\u5e10\u6237\u3002\u4f8b\u5982\uff1a\u5c06\u4e00\u5f00\u53d1\u4eba\u5458\u5e10\u53f7\u6743\u9650\u590d\u5236\u5230\u53e6\u4e00\u5f00\u53d1\u4eba\u5458\u5e10\u53f7\u3002<\/p>\n<ul class=\"list-paddingleft-2\">\n<li>\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u5f00\u53d1\u7528\u6237\u5e10\u6237<\/li>\n<\/ul>\n<pre><code>mysql&gt; CREATE USER 'dev04'@'%' IDENTIFIED BY '000000';\r\nQuery OK, 0 rows affected (0.04 sec)<\/code><\/pre>\n<ul class=\"list-paddingleft-2\">\n<li>\u5c06 dev02 \u7528\u6237\u5e10\u6237\u7684\u6743\u9650\u590d\u5236\u5230 dev04 \u7528\u6237\u5e10\u6237<\/li>\n<\/ul>\n<pre><code>mysql&gt; GRANT 'dev02'@'%' TO 'dev04'@'%';\r\nQuery OK, 0 rows affected (0.09 sec)<\/code><\/pre>\n<ul class=\"list-paddingleft-2\">\n<li>\u67e5\u770b dev04 \u7528\u6237\u5e10\u6237\u7684\u6743\u9650<\/li>\n<\/ul>\n<pre><code>mysql&gt; SHOW GRANTS FOR 'dev04'@'%' USING 'dev02';\r\n+----------------------------------------------------------------------+\r\n| Grants for dev04@% \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 |\r\n+----------------------------------------------------------------------+\r\n| GRANT USAGE ON *.* TO `dev04`@`%` \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0|\r\n| GRANT SELECT, INSERT, UPDATE, DELETE ON `wordpress`.* TO `dev04`@`%` |\r\n| GRANT `dev02`@`%` TO `dev04`@`%` \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 |\r\n+----------------------------------------------------------------------+\r\n3 rows in set (0.00 sec)<\/code><\/pre>\n<h3>\u53c2\u8003\u6587\u6863<\/h3>\n<p>http:\/\/www.google.com<br \/>\nhttp:\/\/t.cn\/RuTna0t<br \/>\nhttp:\/\/t.cn\/RuTnEPH<br \/>\nhttp:\/\/t.cn\/RuTnFGz<br \/>\nhttp:\/\/t.cn\/RuTnFGz<\/p>\n<p>&nbsp;<\/p>\n<p>\u4f60\u7684\u65f6\u95f4\u6709\u9650\uff0c\u6240\u4ee5\u4e0d\u8981\u4e3a\u522b\u4eba\u800c\u6d3b\u3002\u4e0d\u8981\u88ab\u6559\u6761\u6240\u9650\uff0c\u4e0d\u8981\u6d3b\u5728\u522b\u4eba\u7684\u89c2\u5ff5\u91cc\u3002\u4e0d\u8981\u8ba9\u522b\u4eba\u7684\u610f\u89c1\u5de6\u53f3\u81ea\u5df1\u5185\u5fc3\u7684\u58f0\u97f3\u3002\u6700\u91cd\u8981\u7684\u662f\uff0c\u52c7\u6562\u7684\u53bb\u8ffd\u968f\u81ea\u5df1\u7684\u5fc3\u7075\u548c\u76f4\u89c9\uff0c\u53ea\u6709\u81ea\u5df1\u7684\u5fc3\u7075\u548c\u76f4\u89c9\u624d\u77e5\u9053\u4f60\u81ea\u5df1\u7684\u771f\u5b9e\u60f3\u6cd5\uff0c\u5176\u4ed6\u4e00\u5207\u90fd\u662f\u6b21\u8981\u3002<\/p>\n<p>\u2014\u2014\u53f2\u8482\u592b\u00b7\u4e54\u5e03\u65af<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p>\u8f6c\u8f7d\u8bf7\u6ce8\u660e\uff1a<a href=\"https:\/\/www.chenweikang.top\">\u5de6\u624b\u4ee3\u7801\u53f3\u624b\u8bd7<\/a> &raquo; <a href=\"https:\/\/www.chenweikang.top\/?p=524\">MySQL 8 \u7528\u6237\u548c\u89d2\u8272\u7ba1\u7406\u5165\u95e8<\/a><\/p><div class=\"__youshang\">\r\n            <div id=\"__youshang_popup\" class=\"wechat popup\" style=\"display: none;\">\r\n                <div class=\"head\">~\u8c22\u8c22\u6253\u8d4f~<\/div>\r\n                <div class=\"qrcode\"><div class=\"qrcode-li wechat\" ><img src=\"https:\/\/www.chenweikang.top\/wp-content\/uploads\/2019\/07\/wexin.png\" \/><\/div><div class=\"qrcode-li alipay\" style=\"display:none;\"><img src=\"https:\/\/www.chenweikang.top\/wp-content\/uploads\/2019\/07\/ali-pay.png\" \/><\/div><div class=\"qrcode-li hongbao\" style=\"display:none;\"><img src=\"https:\/\/www.chenweikang.top\/wp-content\/uploads\/2019\/07\/ali-hongbao.png\" \/><\/div><\/div>\r\n                <ul class=\"platform\"><li class=\"icon-wechat active\" data-bg-color=\"#05af4e\" data-thanks=\"~\u8c22\u8c22\u6253\u8d4f~\"><\/li><li class=\"icon-alipay \" data-bg-color=\"#00a2ea\" data-thanks=\"~\u8c22\u8c22\u6253\u8d4f~\"><\/li><li class=\"icon-hongbao \" data-bg-color=\"#dd5746\" data-thanks=\"<p>\u626b\u7801\u9886\u7ea2\u5305<\/p><p style='margin-top: 24px;'>\uff08\u4f59\u989d\u5b9d\u652f\u4ed8\u65f6\u53ef\u62b5\u73b0\uff09<\/p>\"><\/li><\/ul>\r\n            <\/div>\r\n            <a href=\"javascript:void(0);\" id=\"__youshang_btn\">\u8d4f<\/a>\r\n        <\/div>","protected":false},"excerpt":{"rendered":"<p>MySQL 8.0 \u6b63\u5f0f\u7248\u76ee\u524d\u5df2\u53d1\u5e03\uff0cMySQL 8.0 \u589e\u52a0\u4e86\u5f88\u591a\u65b0\u7684\u529f\u80fd\uff0c\u5177\u4f53\u53ef\u53c2\u8003\u300cMySQL 8.0  [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":363,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[4],"tags":[45],"class_list":["post-524","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-database","tag-45"],"_links":{"self":[{"href":"https:\/\/www.chenweikang.top\/index.php?rest_route=\/wp\/v2\/posts\/524","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.chenweikang.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.chenweikang.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.chenweikang.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.chenweikang.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=524"}],"version-history":[{"count":0,"href":"https:\/\/www.chenweikang.top\/index.php?rest_route=\/wp\/v2\/posts\/524\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.chenweikang.top\/index.php?rest_route=\/wp\/v2\/media\/363"}],"wp:attachment":[{"href":"https:\/\/www.chenweikang.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=524"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.chenweikang.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=524"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.chenweikang.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=524"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}