选择一行，其中，1 = a，2 = b OR 1 = b，2 = a

Question

我有一个表格给我信息，如INPUT1, INPUT2. I need to select from COL1 and COL2 where COL1 = INPUT1, COL2 = INPUT2 INPUT1, INPUT2. I need to select from COL1 and COL2 where COL1 = INPUT1, COL2 = INPUT2或INPUT1, INPUT2. I need to select from COL1 and COL2 where COL1 = INPUT1, COL2 = INPUT2 ， COL1 = INPUT2, COL2 = INPUT1.

Answer 1

SELECT * FROM table WHERE 
                      (COL1 = INPUT1 AND COL2 = INPUT2) 
                   OR (COL1 = INPUT2 AND COL2 = INPUT1);

Answer 2

SELECT * FROM table
WHERE ( COL1=INPUT1 AND COL2=INPUT2 ) 
   OR ( COL1=INPUT2 AND COL2=INPUT1 )

Answer 3

select * from table_name where（COL1 = INPUT1 AND COL2 = INPUT2）OR（COL1 = INPUT2 AND COL2 = INPUT1）;