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📜  mysql 在表为空时返回列名 - SQL 代码示例

📅  最后修改于: 2022-03-11 15:05:11.894000             🧑  作者: Mango

代码示例1
select myQuery.*
from (select 1) as ignoreMe
left join (
select * from myTable where false -- insert your query here
) as myQuery on true