WHERE SUBSTR(cust_name, INSTR(cust_name, ‘’) + 1) LIKE ‘Mc%’
WHERE INITCAP(SUBSTR(cust_name, INSTR(cust_name, ‘’) + 1)) IN (‘MC%’, ‘Mc%)
WHERE UPPER(SUBSTR(cust_name, INSTR(cust_name, ‘’) + 1)) LIKE UPPER(‘MC%’)
WHERE SUBSTR(cust_name, INSTR(cust_name, ‘’) + 1) LIKE ‘Mc%’ OR ‘MC%’
WHERE INITCAP(SUBSTR(cust_name, INSTR(cust_name, ‘’) + 1)) LIKE ‘Mc%’