小编den*_*tup的帖子

查询A和查询B之间是否存在性能差异？

查询A.

SELECT * FROM SomeTable
WHERE 1 = 1 AND (SomeField LIKE '[1,m][6,e][n]%')

查询B.

SELECT * FROM SomeTable
WHERE 1 = 1 AND (SomeField IN ('16', 'Mens'))