主页 > 知识库 > mysql学习笔记之帮助文档

mysql学习笔记之帮助文档

热门标签:dq8 全地图标注 永州智能外呼系统 赵县地图标注 邯郸400电话注册办理 哈尔滨云外呼系统运营商 地图标注直通车 电销机器人市场价 遂宁400电话申请 南宁智能电销机器人价格

查看系统帮助

help contents

mysql> help contents;
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
  Compound Statements
  Data Definition
  Data Manipulation
  Data Types
  Functions
  Functions and Modifiers for Use with GROUP BY
  Geographic Features
  Help Metadata
  Language Structure
  Plugins
  Procedures
  Storage Engines
  Table Maintenance
  Transactions
  User-Defined Functions
  Utility

帮助文档的目录列表

查看数据类型

help data types

mysql> help data types;
You asked for help about help category: "Data Types"
For more information, type 'help item>', where item> is one of the following
topics:
  AUTO_INCREMENT
  BIGINT
  BINARY
  BIT
  BLOB
  BLOB DATA TYPE
  BOOLEAN
  CHAR
  CHAR BYTE
  DATE
  DATETIME
  DEC
  DECIMAL
  DOUBLE
  DOUBLE PRECISION
  ENUM
  FLOAT
  INT
  INTEGER
  LONGBLOB
  LONGTEXT
  MEDIUMBLOB
  MEDIUMINT
  MEDIUMTEXT
  SET DATA TYPE
  SMALLINT
  TEXT
  TIME
  TIMESTAMP
  TINYBLOB
  TINYINT
  TINYTEXT
  VARBINARY
  VARCHAR
  YEAR DATA TYPE

查看整数

mysql> help int;
Name: '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/5.7/en/numeric-type-overview.html
mysql> help tinyint;
Name: 'TINYINT'
Description:
TINYINT[(M)] [UNSIGNED] [ZEROFILL]
A very small integer. The signed range is -128 to 127. The unsigned
range is 0 to 255.
URL: http://dev.mysql.com/doc/refman/5.7/en/numeric-type-overview.html

您可能感兴趣的文章:
  • 深入理解mysql帮助命令(help)
  • Mysql help命令(帮助信息)中文注解
  • MySQL性能优化的一些技巧帮助你的数据库

标签:定西 中卫 浙江 鄂州 张家界 阿里 南宁 上海

巨人网络通讯声明:本文标题《mysql学习笔记之帮助文档》,本文关键词  mysql,学习,笔记,之,帮助,;如发现本文内容存在版权问题,烦请提供相关信息告之我们,我们将及时沟通与处理。本站内容系统采集于网络,涉及言论、版权与本站无关。
  • 相关文章
  • 下面列出与本文章《mysql学习笔记之帮助文档》相关的同类信息!
  • 本页收集关于mysql学习笔记之帮助文档的相关信息资讯供网民参考!
  • 推荐文章