mysql 高性能count表

```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
posted @ 2023-08-11 08:49  chenzechao  阅读(21)  评论(0)  编辑  收藏  举报