instr

MySQL： select * from tableName where name like '%helloworld%';
Oracle：select * from tableName where instr(name,'helloworld')>0;

select BLACK_VALUE, COUNT(*)as total
         from EC_COUPONS_BLACK
         where IS_DELETE='N'
 
 AND   BLACK_TYPE='goods'
           and IS_ALL_COUPONS='Y'
       and   instr(','||BLACK_VALUE||',',','||(select goods_id from goods where goods_no = ''and is_delete = 'N')||',') >0
 GROUP BY BLACK_VALUE