OR 问题的解决方案

1. SELECT id
   FROM orders
   WHERE gloss_qty > 4000 OR poster_qty > 4000;

2.

SELECT *
FROM orders
WHERE standard_qty = 0 AND (gloss_qty > 1000 OR poster_qty > 1000);

3. SELECT *
   FROM accounts
   WHERE (name LIKE 'C%' OR name LIKE 'W%') 
                 AND ((primary_poc LIKE '%ana%' OR primary_poc LIKE '%Ana%') 
                 AND primary_poc NOT LIKE '%eana%');