SQL语句 “DELETE FROM 体检者 ”成功执行后,()。
举一反三
- 已知关系表 S 中有 30 条记录,执行 SQL 语句:DELETE FROM S 后,结果为_____(2016)
- SQL语句“DELETE FROM SC”的功能是_________
- 删除表course的记录。其SQL语句为( )。 A: DELETE from course where * B: DELETE * from course C: DELETE course D: DELETE FROM course
- SQL语句“delete from department”,需要SqlCommand对象的( )方法来执行。 A: ExecuteNonQuery() B: ExecuteScalar() C: ExecuteReader() D: ExecuteXmlReader()
- executeQuery(String sql)方法可以执行delete语句