来自子查询的where子句中的Sql多个值

Question

基本上，我要做的是：我想要一个sql查询，它返回id为的表中的所有行（一些子查询返回20个ID）。

就像那样：

SELECT * FROM People WHERE People.ID = (SELECT CreatedBy.PeopleID FROM CreatedBy)

Answer 1

SELECT * FROM People WHERE People.ID in (SELECT CreatedBy.PeopleID FROM CreatedBy)

Answer 2

使用'IN'而不是'='

SELECT * FROM People WHERE People.ID IN (SELECT CreatedBy.PeopleID FROM CreatedBy)

Answer 3

使用而不是=

SELECT * FROM People WHERE People.ID in (SELECT CreatedBy.PeopleID FROM CreatedBy)