Calculate the length of the field in the table: LENGTH (field name)
SELECT cus_ciq_no,LENGTH(cus_ciq_no) FROM tb_stockorder WHERE cus_ciq_no IS NOT NULL AND LENGTH(cus_ciq_no) >56;
Calculate the length of the field in the table: LENGTH (field name)
SELECT cus_ciq_no,LENGTH(cus_ciq_no) FROM tb_stockorder WHERE cus_ciq_no IS NOT NULL AND LENGTH(cus_ciq_no) >56;