oracle 查询 某年某月 到 某年某月份 之间的数据所有数据
oracle查询某月第某周 这一周的开始日期和结束日期 with t1 as(select level id,'201507'|lpad(level,2,'0')col from dual connect by level),t2 as(select 0 id,null,to_char(trunc(to_date(col,'yyyymmdd'),'month'),'yyyymmdd')end_dt from t1 where rownum=1 union all select 32,null,'-'|to_char(last_day(trunc(to_date(col,'yyyymmdd'),'month')),'yyyymmdd')from t1 where rownum=1 union all select id,to_date(col,'yyyymmdd'),decode(to_number(to_char(to_date(col,'yyyymmdd'),'D'))-1,0,'-'|col,1,col)from t1 where col(last_day(trunc(to_date(substr(col,1,6)|'01','yyyymmdd'),'month')),'yyyymmdd')),t3 as(select id,decode(instr(lag(end_dt,1)over(order by id),'-'),1,null,lag(end_dt,1)over(order by id))start_dt,end_dt from t2 where end_dt is not null order by id)select '第'|rownum|'周:' des,start_dt|end_dt from t3 where start_dt is not null order by id;
Oracle 中如何写比较月份的sql语句,比如说查询在某年5月份销售的商品的信息? Oracle 的话抄,使用 TO_CHAR 函数袭处理2113:5261下面是例子4102,运行于1653 2010-08-31SQL>;SELECT2 TO_CHAR(SYSDATE,'YYYY')AS year,3 TO_CHAR(SYSDATE,'MM')AS month,4 TO_CHAR(SYSDATE,'DD')AS day,5 TO_CHAR(SYSDATE,'DAY')AS Week6 FROM DUAL;YEAR MONT DAY WEEK2010 08 31 TUESDAY
大神们,ORACLE SQL如何截取如2002年到2010年的所有月份,找到的一个SQL语句只能显示某一月,急求~ 参考楼主的改的,献丑了。select to_char(add_months(to_date('2001-12','yyyy-mm'),rownum),'yyyy-mm')as monthfrom dualconnect by rownum(to_date('2010','yyyy'),to_date('2002','yyyy'))