delete from 是 SQL 语言中的一个命令，用于从数据库表中删除指定的记录。它是数据库操作中常用的语句之一，通常与 WHERE 子句搭配使用，以指定删除的条件。若不加 WHERE 子句，整个表中的所有数据都会被删除。

音标：

/dɪˈliːt frəm/

翻译：

删除（数据记录）

读音：

delete [dɪˈliːt]：发音类似“迪利特”

from [frəm]：发音类似“弗罗姆”

用法：

delete from 后面跟表名，表示从该表中删除数据。

可选的 WHERE 子句用于指定删除数据的条件。

删除操作不可恢复，执行前需谨慎。

例句：

To remove a specific record, you can use the SQL statement: DELETE FROM employees WHERE employee_id = 101.

The DELETE FROM command removes all records from the table if no condition is specified.

He accidentally deleted all the rows from the database using DELETE FROM orders.

You must be cautious when using DELETE FROM in a production environment to avoid data loss.

The admin used the DELETE FROM statement to clear outdated user accounts.

The command DELETE FROM users WHERE last_login < '2020-01-01' will remove users who haven't logged in since 2020.

It is important to back up the data before running a DELETE FROM operation.

After reviewing the database, the developer decided to delete all expired records using DELETE FROM sessions.

If you execute DELETE FROM customers, it will delete all customer records from the table.

The query DELETE FROM products WHERE stock_quantity = 0 will delete products that are out of stock.

短语搭配：

delete from table：从表中删除

delete from database：从数据库中删除

delete from records：从记录中删除

delete from rows：从行中删除

delete from column：从列中删除

注意事项：

delete from 是不可逆的操作，一旦数据删除，通常无法恢复。

若没有 WHERE 子句，删除操作会影响整张表。