Examine the following statement:SQL> ALTER TABLE SALES MODIFY CONSTRAINT pk DISABLE VALIDATE;Which three statements are true?

1150 次浏览
  • A、Rows may be inserted into the table.
  • B、The PK index is made unusable.
  • C、The PK index is droppe
  • D、The constraint is still enforced for updated rows
  • E、The constraint is still enforced for inserted rows.
小开
答案解析
暂无解析
mshare
挑战成功
1年前
mshare
挑战失败
1年前
mshare
挑战失败
1年前
mshare
挑战失败
1年前

提交答案
微信公众号
有课学公众号
  • 微信公众号: geekdaxue