( SELECT `统计时间`, `贷款公司名称`, `推广员姓名`, UV FROM ac_statistics WHERE `贷款公司名称` = "金腰袋" AND `统计时间` LIKE '%2019-04-19%' ) UNION(SELECT '合计' AS 统计时间, '' AS 贷款公司名称, '' AS 推广员姓名, SUM( UV ) FROM ac_statistics WHERE `贷款公司名称` = "金腰袋" AND `统计时间` LIKE
以下为二维表信息 //统计严重等级Bug SELECT severity,count(severity) FROM `bf_bugview` where product_id=476 GROUP BY severity //统计创建者Bug SELECT created_by_name,count(created_by_name) as count FROM `bf_bugview` where product_id=476 GROUP BY created_by_name ORDER BY c
<?php namespace Home\Controller; use Think\Controller; use Think\Model; class QueryController extends Controller{ //快捷查询 - 是一种多字段查询的简化写法, //多个字段之间用‘|’隔开表示OR //用‘&’隔开表示AND public function Query1(){ echo '<meta http-eq
-- 首先,以超级管理员的身份登录oracle sqlplus sys/bjsxt as sysdba --然后,解除对scott用户的锁 alter user scott account unlock; --那么这个用户名就能使用了. --(默认全局数据库名orcl) 1.select ename, sal * 12 from emp; --计算年薪 2.select 2*3 from dual; --计算一个比较纯的数据用dual表 3.select sysdate from dual; -