开发者社区> 问答> 正文

SQL-Difference between TRUNCATE, DELETE and DROP

已解决

Difference between TRUNCATE, DELETE and DROP commands?

展开
收起
1780169608831412 2021-10-16 14:47:51 690 0
1 条回答
写回答
取消 提交回答
  • 网络规划设计师、敏捷专家、CISP、ITSS服务经理、ACA全科目、ACP4项、ACE、CBP、CDSP、CZTP等。拥有 PRINCE2 Foundation/Practitioner、CCSK、ITIL、ISO27001、PMP等多项国际认证。 专利5+、期刊10+、知识产权师。核心期刊审稿人。
    采纳回答

    DELETE removes some or all rows from a table based on the condition. It can be rolled back.

    TRUNCATE removes ALL rows from a table by de-allocating the memory pages. The operation cannot be rolled back

    DROP command removes a table from the database completely.

    2021-10-16 16:00:20
    赞同 1 展开评论 打赏
问答排行榜
最热
最新

相关电子书

更多
SQL Server在电子商务中的应用与实践 立即下载
GeoMesa on Spark SQL 立即下载
原生SQL on Hadoop引擎- Apache HAWQ 2.x最新技术解密malili 立即下载