I use PB9.0 + MYSQL to develop a system, but using select count (*) into: ll_count where user_grant, there are data in the database, but after running ll_count=0; The select Max (id) into: ll_id where gy_dmzd; It's the same problem; But you can use the insert into the table to insert records, there is no error in the process of the whole, masters to help you, please, tell me where is the problem? Thank you ~ ~