Mysql数据库语句大全

CREATE DATABASE database-name

drop database dbname

USE master
EXEC sp_addumpdevice 'disk', 'testBack', 'c:\mssql7backup\MyNwind_1.dat'

BACKUP DATABASE pubs TO testBack

create table tabname(col1 type1 [not null] [primary key],col2 type2 [not null],..)

A：create table tab_new like tab_old (使用旧表创建新表)
B：create table tab_new as select col1,col2… from tab_old definition only

drop table tabname

Alter table tabname add column col type