MySQL statement learning record

1. Library related commands

Create database ： create database Library name ;
Query all database names ：show databases;
Delete database ：drop database Library name ;
Access to database use Library name ;
View your current library ：select database();

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2. Table related commands

Create table ：create table Table name (
Name data type ,
>>>>
Name data type );
See the table show tables;
Check all tables in other libraries ：show tables from Library name ;**

View table structure ：desc Table name ;
Insert table data ：insert into Table name ( Property name 1, Property name 2) values( data 1,‘ data 2’);

Query the current table data **： select * from Table name ;**
Delete data ：delete from gameinfo where id=1;
Modifying data ：update gameinfo set name=‘xq’ where id=2;
Modify the name of the table ：rename table The old name of the table to The new name of the table ;

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3. Other commands

View the current MySQL Server version ：select version();
No sign in to mysql Query method when ：mysql --version perhaps mysql --V
sign out mysql： exit perhaps \q

4. Grammatical norms

1）mysql Case insensitive
2） Each command ends with a semicolon
3） notes
Single-line comments ：# Note text
Single-line comments ：-- Note text
Multiline comment ：/ Note text /