Mysql必读mysql学习笔记之帮助文档
发布时间:2020-12-12 01:11:32 所属栏目:MySql教程 来源:网络整理
导读:《Mysql必读mysql学习笔记之帮助文档》要点: 本文介绍了Mysql必读mysql学习笔记之帮助文档,希望对您有用。如果有疑问,可以联系我们。 MYSQL入门 查看系统帮助 MYSQL入门 help contents MYSQL入门 mysql help contents;You asked for help about help cate
《Mysql必读mysql学习笔记之帮助文档》要点: MYSQL入门查看系统帮助 MYSQL入门 MYSQL入门
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
MYSQL入门帮助文档的目录列表 MYSQL入门查看数据类型 MYSQL入门 MYSQL入门
mysql> help data types;
You asked for help about help category: "Data Types"
For more information,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
MYSQL入门查看整数 MYSQL入门
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
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