MySQL 客户端服务器端帮助
我们来了解一下 MySQL 客户端服务器端帮助 −
mysql> help search_string
如果向以上的“帮助”命令提供了参数,mysql 会将其用作搜索字符串,从 MySQL 参考手册的内容中访问服务器端的帮助。此命令的正常操作需要使用帮助主题信息来初始化 MySQL 数据库中的帮助表。
如果没有匹配的搜索字符串,则搜索操作失败。让我们举个例子来理解这一点 −
mysql> help me
输出
Nothing found Please try to run 'help contents' for a list of all accessible topics
我们可以使用 help contents 命令来查看帮助类别的列表。让我们举个例子来理解这一点 −
mysql> help contents
输出
You asked for help about help category: "Contents" For more information, type 'help <item>', where <item> is one of the following categories: Account Management Administration Data Definition Data Manipulation Data Types Functions Functions and Modifiers for Use with GROUP BY Geographic Features Language Structure Plugins Storage Engines Stored Routines Table Maintenance Transactions Triggers
如果搜索字符串匹配了多个项目,则 mysql 会显示匹配主题的列表。让我们举个例子来理解这一点 −
mysql > help logs
Learn MySQL in-depth with real-world projects through our MySQL certification course. Enroll and become a certified expert to boost your career.
输出
Many help items for your request exist. To make a more specific request, please type 'help <item>', where <item> is one of the following topics: SHOW SHOW BINARY LOGS SHOW ENGINE SHOW LOGS
广告