select * from test where t1 like '%abc%' or t2 like '%abc%'select * from test where t1 like '%abc%' union all select * from test where t2 like '%abc%' 不知道楼住要的是那个?
select * from test where t1 like '%abc%' union all select * from test where t2 like '%abc%'
不知道楼住要的是那个?
union all
select * from test where t2 like '%abc%'