mysql子查询优化
摘要：
SELECT COUNT(*) AS tp_count FROM xxx_b2c_orders WHERE pay_status='1' and createtime>1413533130 and area_code in (1030,1031,1032,1033) and member_id in... 阅读全文
posted @ 2014-12-19 15:57 walter371 阅读(153) 评论(0) 推荐(0) 编辑
