select field1,field2,field3,field4 from table1 where ...
UNION ALL
select field1,field2,field3,field4 from table1 where ...
将上面的结果集和下面的结果集加起来显示,字段要相同
2024-04-03 12:50:05
select field1,field2,field3,field4 from table1 where ...
UNION ALL
select field1,field2,field3,field4 from table1 where ...
将上面的结果集和下面的结果集加起来显示,字段要相同