{"id":28643,"date":"2024-01-23T14:10:10","date_gmt":"2023-07-25T06:21:53","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%b0%9d%e8%af%95%e7%a1%ae%e8%ae%a4mariadb%e7%9a%84%e8%a1%a8%e5%ae%9a%e4%b9%89%e3%80%82\/"},"modified":"2025-08-12T09:19:21","modified_gmt":"2025-08-12T01:19:21","slug":"%e5%b0%9d%e8%af%95%e7%a1%ae%e8%ae%a4mariadb%e7%9a%84%e8%a1%a8%e5%ae%9a%e4%b9%89%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%b0%9d%e8%af%95%e7%a1%ae%e8%ae%a4mariadb%e7%9a%84%e8%a1%a8%e5%ae%9a%e4%b9%89%e3%80%82\/","title":{"rendered":"\u5c1d\u8bd5\u786e\u8ba4MariaDB\u7684\u8868\u5b9a\u4e49"},"content":{"rendered":"<h1>\u73af\u5883 <\/h1>\n<ul class=\"post-ul\">\nCentOS Linux release 7.4.1708 (Core)<br \/>\nMariaDb 5.5.56\n<\/ul>\n<h1>\u786e\u8ba4MariaDB\u7684\u8868\u5b9a\u4e49<\/h1>\n<p>\u600e\u4e48\u529e\u6765\u7740\uff1f\u6211\u5148\u8bb0\u4e0b\u6765\u3002<br \/>\n\u8bb0\u5f55\u4e0b\u5728MariaDB\u4e0a\u786e\u8ba4\u6570\u636e\u5e93\u3001\u8868\u548c\u5217\u7684\u6b65\u9aa4\u3002<br \/>\n\u901a\u8fc7\u672c\u5730\u8fde\u63a5\u8fdb\u884c\u786e\u8ba4\u3002<br \/>\n\u663e\u793a\u7684\u6570\u636e\u5e93\u548c\u8868\u662f\u5b89\u88c5\u65f6\u7684\u9ed8\u8ba4\u8bbe\u7f6e\u3002<\/p>\n<h2>\u65e0\u9700\u5bc6\u7801\uff0c\u901a\u8fc7\u6839\u76ee\u5f55\u8fdb\u5165\u3002<\/h2>\n<p>\u5f53\u8bbe\u7f6e\u4e86\u6839\u8def\u5f84\u7684\u5bc6\u7801\u65f6\u4f1a\u51fa\u73b0\u9519\u8bef\u3002<\/p>\n<pre class=\"post-pre\"><code>[root@localhost etc]# mysql -u root                                                 \r\nERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: NO)  \r\n<\/code><\/pre>\n<h2>\u4ee5\u5bc6\u7801\u65b9\u5f0f\u8fdb\u5165\u6839\u76ee\u5f55\u3002<\/h2>\n<p>\u8f93\u5165\u5bc6\u7801\uff1a\u8981\u6c42\u8f93\u5165\u6570\u636e\u5e93\u7684\u6839\u5bc6\u7801\u3002<\/p>\n<pre class=\"post-pre\"><code>[root@localhost etc]# mysql -u root -p                            \r\nEnter password:                                                                     \r\nWelcome to the MariaDB monitor.  Commands end with ; or \\g.                         \r\nYour MariaDB connection id is 27                                                    \r\nServer version: 5.5.56-MariaDB MariaDB Server                                       \r\n\r\nCopyright (c) 2000, 2017, Oracle, MariaDB Corporation Ab and others.                \r\n\r\nType 'help;' or '\\h' for help. Type '\\c' to clear the current input statement.      \r\n<\/code><\/pre>\n<h2>\u6570\u636e\u5e93\u5217\u8868<\/h2>\n<pre class=\"post-pre\"><code>MariaDB [(none)]&gt; show databases;\r\n+--------------------+\r\n| Database           |\r\n+--------------------+\r\n| information_schema |\r\n| mysql              |\r\n| performance_schema |\r\n| test               |\r\n+--------------------+\r\n4 rows in set (0.00 sec)\r\n<\/code><\/pre>\n<h2>\u9009\u62e9\u6570\u636e\u5e93<\/h2>\n<p>\u9009\u62e9MySQL\u3002<\/p>\n<pre class=\"post-pre\"><code>MariaDB [(none)]&gt; use mysql;\r\nReading table information for completion of table and column names\r\nYou can turn off this feature to get a quicker startup with -A\r\n\r\nDatabase changed\r\n<\/code><\/pre>\n<h2>MySQL \u7684\u8868\u683c\u6e05\u5355<\/h2>\n<pre class=\"post-pre\"><code>MariaDB [mysql]&gt; show tables;\r\n+---------------------------+\r\n| Tables_in_mysql           |\r\n+---------------------------+\r\n| columns_priv              |\r\n| db                        |\r\n... \u7701\u7565 ...\r\n| time_zone_leap_second     |\r\n| time_zone_name            |\r\n| time_zone_transition      |\r\n| time_zone_transition_type |\r\n| user                      |\r\n+---------------------------+\r\n24 rows in set (0.00 sec)\r\n<\/code><\/pre>\n<h2>\u7528\u6237\u8868\u7684\u5217\u6e05\u5355<\/h2>\n<p>\u6211\u80fd\u901a\u8fc7\u4ee5\u4e0b\u547d\u4ee4\u786e\u8ba4\u5230\uff1a<\/p>\n<ul class=\"post-ul\">\nshow columns from \u30c6\u30fc\u30d6\u30eb\u540d<br \/>\nshow fields from \u30c6\u30fc\u30d6\u30eb<br \/>\ndescribe \u30c6\u30fc\u30d6\u30eb\u540d<br \/>\nexplain \u30c6\u30fc\u30d6\u30eb\u540d\n<\/ul>\n<pre class=\"post-pre\"><code>MariaDB [mysql]&gt; show columns from user;\r\n+------------------------+-----------------------------------+------+-----+---------+-------+\r\n| Field                  | Type                              | Null | Key | Default | Extra |\r\n+------------------------+-----------------------------------+------+-----+---------+-------+\r\n| Host                   | char(60)                          | NO   | PRI |         |       |\r\n| User                   | char(16)                          | NO   | PRI |         |       |\r\n... \u7701\u7565 ...\r\n| authentication_string  | text                              | NO   |     | NULL    |       |\r\n+------------------------+-----------------------------------+------+-----+---------+-------+\r\n42 rows in set (0.00 sec)\r\n<\/code><\/pre>\n<h2>\u7528\u6237\u5217\u8868<\/h2>\n<pre class=\"post-pre\"><code>MariaDB [(none)]&gt; select user,host from mysql.user;\r\n+------+-----------------------+\r\n| user | host                  |\r\n+------+-----------------------+\r\n| root | 127.0.0.1             |\r\n| root | ::1                   |\r\n|      | localhost             |\r\n| root | localhost             |\r\n|      | localhost.localdomain |\r\n| root | localhost.localdomain |\r\n+------+-----------------------+\r\n6 rows in set (0.00 sec)\r\n<\/code><\/pre>\n<h2>\u6267\u884cSQL<\/h2>\n<pre class=\"post-pre\"><code>MariaDB [mysql]&gt; select * from user;\r\n+-----------------------+------+-------\r\n... \u7701\u7565\r\n<\/code><\/pre>\n<h2>\u91cd\u8bbe\u5bc6\u7801<\/h2>\n<p>\u5f88\u4e45\u6ca1\u6709\u4f7f\u7528\uff0c\u91cd\u65b0\u767b\u5f55\u65f6\u5fd8\u8bb0\u4e86\u5bc6\u7801\u3002<br \/>\n\u53c2\u8003\uff1aMariaDB\uff08MySQL\uff09\u5bc6\u7801\u91cd\u7f6e\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u73af\u5883 CentOS Linux release 7.4.1708 (Core) MariaDb 5.5.56  [&hellip;]<\/p>\n","protected":false},"author":10,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[227],"class_list":["post-28643","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-227"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - 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