Mysql takes the field value comma to the first data query statement
- 2020-05-30 21:12:57
- OfStack
select count(*) as lot from OA_sample_check where left(ecnNO, LOCATE(',',ecnNO)-1)='a1'
select count(*) as lot from OA_sample_check where left(ecnNO, LOCATE(',',ecnNO)-1)='a1'