摘要:
1.今天 SELECT * FROM 表名 WHERE TO_DAYS(时间字段名) = TO_DAYS(NOW()); 2.昨天 SELECT * FROM 表名 WHERE TO_DAYS(NOW()) - TO_DAYS(时间字段名) <= 1; 3.本周 SELECT * FROM 表名 W 阅读全文
摘要:
1.查询sjcenter数据库里开头为sj_demo和sj_onlyinv的所有表的总条数 select sum(table_rows) from (select table_name,table_rows from tables where TABLE_SCHEMA = 'sjcenter' or 阅读全文