Create a database
Create Database character Set UTF8
Deleting a database
Drop Database name
CREATE TABLE: (Auto_increment, unique unique)
--Create a new table Create TableT_user (IDbigint Primary Keyauto_increment, usernamevarchar( -)Unique, namevarchar( -), Passwordvarchar( -), Sexvarchar(1) );--Create a new table based on an existing tableCreate TableTab_new likeTab_old
Table itself operation
-- Table Renaming Alter Table Table name rename new table name -- Delete a table Drop Table Name
Other operations of the table
--Add primary KeyAlter TableTabNameAdd Primary Key(COL)--Delete primary KeyAlter TableTabNameDrop Primary Key(COL)--Create an indexCreate [Unique] IndexIdxname ontabname (col ....)--Delete IndexDrop IndexIdxname--Create a ViewCreate ViewViewName as SelectStatement--Delete a viewDrop ViewViewName
Table Chizang, Delete, change
--AddAlter TableTable1AddIdint not NullAuto_incrementPrimary Key--Modify a field typeAlter TableTable name Modify field Name field type[whether to allow non-empty];--Modify a field type to be attached to a field nameAlter TableTable name change field original Name field new Name field type[whether to allow non-empty]--Delete a fieldAlter TableMyTableDropField name
1. Inserting data
Insert into Values );
MySQL Basic operation