A.Truncate table test
B.delete*from test
C.drop from test
D.Truncatetabletestwhere1=1
A.Delete年龄>50from教师
B.Delete年龄>50
C.Deletefrom教师where年龄>50岁
D.Deletefrom教师where年龄>50
A.DELETE FROM投稿表WHERE姓名=‘张三’
B.DELETE FROM作者表WHERE姓名=‘张三’
C.DELETE FROM投稿表
D.ELETE FROM投稿表JOIN作者表ON投稿表.作者号=作者表.作者号
A.重新改写index.asp
B.Delete语句
C.Recordset语句
D.Update语句
A. ALTER COLUMN
B. DELETE
C. DROP
D. DROP COLUMN
A.lert table t1 drop name
B.lert table t1 drop column name
C.lert table t1 delete column name
D.lert table t1 delete name