1. SQL DELETE 语句 - w3school 在线教程

    删除所有行 可以在不删除表的情况下删除所有的行。这意味着表的结构、属性和索引都是完整的: DELETE FROM table_name 或者: DELETE * FROM table_name

  2. SQL TOP 子句 - w3school 在线教程

    SQL TOP 实例 现在,我们希望从上面的 "Persons" 表中选取头两条记录。 我们可以使用下面的 SELECT 语句: SELECT TOP 2 * FROM Persons 结果:

  3. The SQL DELETE Statement. The DELETE statement is used to delete existing records in a table. DELETE Syntax

  4. Removes one or more rows from a table or view in SQL Server. Specifies the temporary named result set, also known as common table expression, defined within the scope ...

  5. I have a table in SQL Server. I would like to delete the top 1000 rows from it. However, I tried this, but I instead of just deleting the top 1000 rows it deleted all ...

  6. 1 What is SQL and where does it come from? 2 What are the difference between DDL, DML and DCL commands? 3 Difference between TRUNCATE, DELETE and …

  7. T-SQL ROW_NUMBER() OVER (PARTITION BY ... ORDER BY ...) to Delete Duplicate Rows in SQL Table. If you have duplicate rows in …

  8. How to delete a row in the table. How to truncate a table. How to use sql drop command. How to use sql truncate command. How to use sql delete command. How to drop ...

  9. SQL Server 触发器 - hoojo - 博客园

    对表的操作 Inserted逻辑表 Deleted逻辑表 增加记录(insert) 存放增加的记录 无 删除记录(delete) 无 存放被删除的记录 修改记录(update) 存放更新后的记录

  10. sql优化(oracle) - wishyouhappy - 博客园

    3)注意事项 1. 只有ORDER BY 子句中可以使用select列表中列的别名 如果要在其他地方使用需要使用如下方式: