sql 在结果中显示表名 - SQL 代码示例

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📜 sql 在结果中显示表名 - SQL 代码示例

📅 最后修改于: 2022-03-11 15:05:23.544000 🧑 作者: Mango

select ID, 'Actor' as Career, Name from Actor
union all
select ID, 'Singer' as Career, Name from Singer