题目
A.alter database hz drop column tea_name
B.alter table hz drop column tea_name
C.alter table tea_name drop column hz
D.alter database tea_name drop column hz
第1题
A、delete from hz where tea_ID>3
B、delete where hz from tea_ID>3
C、drop from hz where tea_ID>3
D、drop where hz from tea_ID>3
第2题
A、alter table hz add tea_name nvchar(8)
B、alter table tea_name add hz nvchar(8)
C、alter table hz alter column tea_name add nvchar(8)
D、alter table tea_name alter column hz nvchar(8)
第4题
A、insert into hz (tea_name) values (leon)
B、insert into tea_name (hz) values ('leon')
C、insert hz into (tea_name) values ('leon')
D、insert hz into (tea_name) value ('leon')
第5题
A、update hz set tea_name='leon' where tea_name='lisa'
B、update hz set tea_name='lisa' where tea_name='leon'
C、insert into tea_name (hz) values ('lisa')
D、insert into tea_name (hz) values ('leon')
第6题
A.select % from hz
B.select % where hz
C.select * from hz
D.select * where hz
第9题
A.select top 2 * from hz
B.select top 2 % from hz
C.select head 2 * from hz
D.select head 2 % from hz
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