mysql帮助的使用

mysql> ? contentsYou asked for help about help category: "Contents"For more information, type 'help <item>', where <item> is one of the followingcategories:   Account Management   Administration   Compound Statements   Data Definition   Data Manipulation   Data Types   Functions   Functions and Modifiers for Use with GROUP BY   Geographic Features。。。查看自己感兴趣的分类mysql> ? Data TypesYou asked for help about help category: "Data Types"For more information, type 'help <item>', where <item> is one of the followingtopics:   AUTO_INCREMENT   BIGINT   BINARY   BIT   BLOB   BLOB DATA TYPE   BOOLEAN 。。。进一步查看具体的数据类型mysql> ? intName: 'INT'Description:INT[(M)] [UNSIGNED] [ZEROFILL]A normal-size integer. The signed range is -2147483648 to 2147483647.The unsigned range is 0 to 4294967295.URL: http://dev.mysql.com/doc/refman/5.5/en/numeric-type-overview.html快速查阅某项语法是，可以使用关键字进行快速查询，例如，show命令mysql> ? showName: 'SHOW'Description:SHOW has many forms that provide information about databases, tables,columns, or status information about the server. This section describesthose following:SHOW AUTHORSSHOW {BINARY | MASTER} LOGSSHOW BINLOG EVENTS [IN 'log_name'] [FROM pos] [LIMIT [offset,] row_count]SHOW CHARACTER SET [like_or_where]SHOW COLLATION [like_or_where]SHOW [FULL] COLUMNS FROM tbl_name [FROM db_name] [like_or_where]。。。create table命令mysql> ? create tableName: 'CREATE TABLE'Description:Syntax:CREATE [TEMPORARY] TABLE [IF NOT EXISTS] tbl_name    (create_definition,...)    [table_options]    [partition_options]CREATE [TEMPORARY] TABLE [IF NOT EXISTS] tbl_name    [(create_definition,...)]    [table_options]    [partition_options]    select_statement 。。。