Network Security Internet Technology Development Database Servers Mobile Phone Android Software Apple Software Computer Software News IT Information

In addition to Weibo, there is also WeChat

Please pay attention

WeChat public account

Shulou

An overview of all statements in mysql

2025-05-04 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Database >

Share

Shulou(Shulou.com)06/01 Report--

Reference subject: http://c.biancheng.net/view/2600.html1.CREATE main clause

CREATE DATABASE IF NOT EXISTS DEFAULT CHARACTER SET DEFAULT COLLATE

CREATE TABLE IF NOT EXISTS ([] [, []])

Integer type: TINYINT, SMALLINT, MEDIUMINT, INT, BIGINT floating point number type: FLOAT, DOUBLE fixed point number type: DECIMAL date / time type: YEAR, TIME, DATE, DATETIME, TIMESTAMP string type: CHAR, VARCHAR, TINYTEXT, TEXT, MEDIUMTEXT, LONGTEXT, ENUM, SET binary type: BIT, BINARY, VARBINARY, TINYBLOB, BLOB, MEDIUMBLOB, LONGBLOB primary key constraint: PRIMARY KEY, PRIMARY KEY (primary key column 1, primary key column 2, … , primary key column n) foreign key constraint: [CONSTRAINT] FOREIGN KEY (foreign key column 1, foreign key column 2, … Foreign key column n) REFERENCES (primary key column 1, primary key column 2, … , primary key column n) unique constraint: UNIQUE, CONSTRAINT UNIQUE () check constraint: CHECK (), CONSTRAINT CHECK () non-empty constraint: NOT NULL default value constraint: DEFAULT

CREATE VIEW [(column 1, column 2, … , column name n)] AS

CREATE FUNCTION ([[,] *]) RETURNS

CREATE PROCEDURE [.] ([[IN | OUT | INOUT] [, [IN | OUT | INOUT]] *])

Custom closing symbol: DELIMITER

CREATE TRIGGER [.]

< BEFORE | AFTER >

ON FOR EACH ROW

CREATE [UNIQUE] INDEX ON ([] [ASC | DESC] [, [] [ASC | DESC]] *)

CREATE USER IDENTIFIED BY [PASSWORD]

Welcome to subscribe "Shulou Technology Information " to get latest news, interesting things and hot topics in the IT industry, and controls the hottest and latest Internet news, technology news and IT industry trends.

Views: 0

*The comments in the above article only represent the author's personal views and do not represent the views and positions of this website. If you have more insights, please feel free to contribute and share.

Share To

Database

Wechat

© 2024 shulou.com SLNews company. All rights reserved.

12
Report