08 2023 档案

mysql 高性能count表
摘要：```sql -- mysql 高性能count表 SELECT SQL_CALC_FOUND_ROWS 1 FROM table_name limit 1; SELECT found_rows() AS rowcount; select count(1) as cnt from table_nam 阅读全文
posted @ 2023-08-11 08:49 chenzechao 阅读(23) 评论(0) 推荐(0) 编辑

点击右上角即可分享
微信分享提示