删除视图myview的命令是()。
A:DELETE myview B:DELETE VIEW myview C:DROP VIEW myview D:REMOVE VIEW myview
删除视图myview的命令是______。
A:DELETE myview VIEW B:DELETE myview C:DROP myview VIEW D:DROP VIEW myview
删除视图myview的命令是
A:DELETE mwiew VIEW B:DELElTE myview C:DROP mvview VIEW D:DROP VIEW myview
(25)~(33)小题使用的数据表如下:
当前盘当前目录下有数据库:大奖赛.dbc,其中有数据库表“歌手dbf”、“评分.dbf”。
“歌手”表:
“评分”表:
删除视图myview的命令是( )。
A:DELETE myview VIEW B:DELETE myview C:DROP myview VIEW D:DROP VIEW myview
删除视图myview的命令是()。
A:DELETE myview VIEW B:DELETE myview C:DROP myview VIEW D:DROP VIEW myview
删除视图myview的命令是( )。
A:DELETE myview B:DELETE VIEW myview C:DROP VIEW myview D:REMOVE VIEW myview
删除视图myview的命令是
A:DELETE myview B:DELETE VIEW myview C:DROP VIEW myview D:REMOVE VIEW myview