数据库常用操作

select * from vas_user, vas_user_order where vas_user.userid=vas_user_order.userid

and vas_user.accountidentity like ‘ykt%‘

and vas_user_order.ordertype=‘1‘

and vas_user_order.status=‘0‘

select * from vas_user vu, vas_user_order vuo where vu.userid=vuo.userid

and vu.accountidentity like ‘ykt%‘

and vuo.ordertype=‘1‘

and vuo.status=‘0‘

SELECT column_name(s)
FROM table_name
WHERE column_name LIKE pattern

SELECT * FROM Persons
WHERE City LIKE ‘N%‘

SELECT * FROM Persons
WHERE City LIKE ‘%g‘

SELECT * FROM Persons
WHERE City LIKE ‘%lon%‘

SELECT * FROM Persons
WHERE City NOT LIKE ‘%lon%‘