Database Postgres SQL：如何删除表1中category=x的行（但category在表2中定义）？

我有一个Postgres数据库。我试图根据表2中表示的条件删除表1中的行

表1： id、对象id、时间、操作类型

表2： 对象id、对象名称、对象类别

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我想删除表1中object_category=x的所有行。

您可以使用

中的
语句和
delete
：

delete from table1
    where object_id in (select object_id from table2 where table2.object_category = x)

您可以将
in
语句中的
与
删除一起使用：

delete from table1
    where object_id in (select object_id from table2 where table2.object_category = x)

您可以将
in
语句中的
与
删除一起使用：

delete from table1
    where object_id in (select object_id from table2 where table2.object_category = x)

您可以将
in
语句中的
与
删除一起使用：

delete from table1
    where object_id in (select object_id from table2 where table2.object_category = x)

备选方案：

delete from table1 
using table2 
where table1.object_id = table2.object_id and object_category = x;

备选方案：

delete from table1 
using table2 
where table1.object_id = table2.object_id and object_category = x;

备选方案：

delete from table1 
using table2 
where table1.object_id = table2.object_id and object_category = x;

备选方案：

delete from table1 
using table2 
where table1.object_id = table2.object_id and object_category = x;