The Delete Statement的意思|示意

After the execution of the UPDATE, INSERT, and DELETE statements, an additional variable is available to check the result of the statement.

执行完update、INSERT和delete语句后，将使用额外的一个变量来检查语句的结果。

A searched delete statement deletes multiple rows if the search condition does not uniquely identify a single row.

如果搜索条件不唯一标识单行，则搜索DELETE语句删除多行。

If the data is issuing a delete command on a database row, make sure that you add limit 1 to the end of your statement to minimize damage.

如果数据是对数据库行发出delete命令，请确保在语句最后添加limit 1，以尽可能减少损失。

For the merge statement that contains only the update clause or the delete clause, the inner join is performed between source and target table.

对于仅包含更新子句或删除子句的merge语句，内部联接会在源表与目标表之间执行。

The SQL delete statement enables you to identify (or restrict) the rows you want to delete through a WHERE clause.

SQL delete语句允许通过where子句识别(或限制)要删除的行。

You can delete an existing index in a table with the DROP index statement.

你可以将现有的索引通过DROP INDEX语句进行取消操作。