SELECT SUM(tjo.pay_amount) FROM tb_jf_order tjo,tb_jf_gateway_trade_log tjg WHERE tjo.order_id = tjg.biz_id AND tjo.user_id = tjg.user_id AND (tjg.trade_type='p' OR tjg.trade_type='t') AND tjo.'AND tjo.order_state' AND tjo.order_type ') AND tjo.order…
SqlServer 分页语句 select StuID ,StuNo,StuName,Age,Sex, ClassName ClassName from (select *, row_number() over (order by StuID asc) as number from StudentInfo) t ,ClassInfo c where t.ClassID = c.ClassID and t.number between @startindex and @endindex 表1==C…
接上篇博文Oracle执行语句跟踪(1)--使用sql trace实现语句追踪,一旦我们通过会话追踪获取到超时事物的执行语句,就可以使用10046事件对语句进行追踪. 启用10046事件追踪的方式 SQL> alter session set events '10046 trace name context forever ,level 12' ;SQL> alter session set events '10046 trace name context off' ; 从上面语句可以看出追踪…
一.常用的查询语句 1.1 常用查询 查表中有多少个字段 select count(*) from user_tab_columns where table_name=upper('表名') 或者 select max(column_id) from user_tab_columns where table_name=upper('表名') 1.2 日期/时间 相关查询 获取当前月份的第一天 SELECT TRUNC (SYSDATE, 'MONTH') "First day of curren…