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根据SQL标准，删除索引应该选用下面哪个语句？()
A DELETE INDEX
B DROP INDEX
C DELETE VIEW
D DROP VIEW
答案
更多“根据SQL标准，删除索引应该选用下面哪个语句？（)A DELETE INDEXB DROP INDEXC DELETE VIEWD DRO”相关的问题
第2题
A、I和II
B、II和III
C、仅I
D、全部
第4题
A.DROP VIEW＜视图名＞
B.CREATE VIEW＜视图名＞AS＜SELECT命令＞
C.DROP TABLE＜表名＞
D.DROP INDEX＜索引标识名＞
第6题
根据SQL标准，下面哪条语句与select min(age) from student等效？()
A select age from student where age >= min(age)
B select distinct age from student where age >= all min(age)
C select distinct a.age from student a where a.age<= any (select distinctb.age from student b)
D select distinct a.age from student a where a.age<= all (select distinct b.age from student b)
第7题
A.master
B.model
C. pubs
D.northwind
第8题
A、ON DELETE ALL
B、ON DELETE CASCADE
第9题
A、DROP SCHEMA命令
B、DROP TABLE命令
