补充下列语句:
IF EXISTS(SELECT * FROM ? WHERE name='stuDB')
DROP DATABASE stuDB
建表的语法?
补充下列语句:
IF EXISTS(SELECT * FROM ? WHERE name='stuDB')
DROP TABLE stuInfo
解释下列语句的含义?
EXEC sp_addlogin 'zhangsan', '1234'
EXEC sp_grantdbaccess 'zhangsan', 'zhangsanDBUser