使用嵌套选择查询删除 SQL 查询答案

【问题标题】：Delete SQL query with nested select query使用嵌套选择查询删除 SQL 查询
【发布时间】：2022-01-23 04:30:18
【问题描述】：

如何删除所有满足此查询的记录？也就是说，我如何将其转换为删除查询。

SELECT *
FROM [Data_Pro_Encounter_Info]
WHERE [subject_id] IN
(SELECT [subject_id]
  FROM [imucsigrp].[dbo].[Data_Pro_Patient_Info]
  Where [username] = 'ZGWATA')

【问题讨论】：

使用 Delete * 而不是 Select *
您是否尝试过简单地将SELECT * 替换为DELETE？

标签： sql sql-delete

【解决方案1】：

DELETE 
FROM [Data_Pro_Encounter_Info] 
WHERE [subject_id] IN (SELECT [subject_id] 
                       FROM [imucsigrp].[dbo].[Data_Pro_Patient_Info]
                       WHERE [username] = 'ZGWATA')

【讨论】：