要彻底删除文件夹，在鼠标选定后可以按（）键。

A:Ctrl+Delete B:Enter+Delete C:Delete D:Shift+Delete

在Photoshop中设置前景色的快捷键是（）

A:Ctrl+Delete B:Alt+Delete C:Shift+Delete D:Delete

在SQL语言中，能正确实现级联删除的命令是( )。

A:ON DELETE CASCADES B:ON DELETE RESTRICTED C:ON DELETE NULLIFIES D:ON DELETE DEFAULT

SQL语言中，级联删除的短语是

A:WHEN DELETE RESTRICT B:ON DELETE RESTRICT C:ON DELETE SET NULL D:ON DELETE CASCADE

下面4组命令，每组命令的执行结果一定相同的是

A:DELETE与DELETE　RECORD　RECNO() B:DELETE　ALL与DELETE　FOR　.T. C:DELETE　FOR 职称="讲师"与DELETE WHILE 职称="讲师" D:DELETE　与DELETE　NEXT 1

SQL语言中，能正确实现级联删除的命令是

A:ON DELETE CASCADES B:ON DELETE RESTRICTED C:ON DELETE NULLIFIES D:ON DELETE DEFAULT

SQL语言中，级联删除的短语是

A:WHEN DELETE RESTRICT B:ON DELETE RESTRICT C:ON DELETE SET NULL D:ON DELETE CASCADE

SQL语言中，能正确实现级联删除的命令是（ ）。

A:ON DELETE CASCADES B:ON DELETE RESTRICTED C:ON DELETE NULLIFIES D:ON DELETE DEFAULT