select TO_NUMBER(to_char(everyDay,‘yyyymmdd‘)) as ID,

everyDay as CODE,

to_char(everyday,‘yyyy‘)||‘年‘||TO_NUMBER(to_char(everyday,‘mm‘))||‘月‘||TO_NUMBER(to_char(everyday,‘dd‘))||‘日‘ AS NAME,

TO_NUMBER(to_char(everyday,‘yyyy‘)) as YEAR_ID,

to_char(everyday,‘yyyy‘)||‘年‘ as YEAR_NAME,

CASE WHEN TO_NUMBER(to_char(everyday,‘mm‘))<=6 THEN 1 ELSE 2 END AS SEMESTER_ID,

CASE WHEN TO_NUMBER(to_char(everyday,‘mm‘))<=6 THEN ‘上半年‘ ELSE ‘下半年‘ END AS SEMESTER_NAME,

CASE WHEN TO_NUMBER(to_char(everyday,‘mm‘))<=3 THEN 1

WHEN TO_NUMBER(to_char(everyday,‘mm‘))<=6 THEN 2

WHEN TO_NUMBER(to_char(everyday,‘mm‘))<=9 THEN 3

ELSE 4 END AS QUARTER_ID,

CASE WHEN TO_NUMBER(to_char(everyday,‘mm‘))<=3 THEN ‘一季度‘

WHEN TO_NUMBER(to_char(everyday,‘mm‘))<=6 THEN ‘二季度‘

WHEN TO_NUMBER(to_char(everyday,‘mm‘))<=9 THEN ‘三季度‘

ELSE ‘四季度‘ END AS QUARTER_NAME,

TO_NUMBER(to_char(everyday,‘mm‘)) as MONTH_ID,

TO_NUMBER(to_char(everyday,‘mm‘))||‘月‘ as MONTH_NAME,

CASE WHEN TO_NUMBER(to_char(everyday,‘dd‘))<=10 THEN ‘上旬‘ WHEN TO_NUMBER(to_char(everyday,‘dd‘))<=20 THEN ‘中旬‘ ELSE ‘下旬‘ END  as XUN,

TO_NUMBER(to_char(everyday,‘dd‘)) as DAY,

CASE WHEN to_char(everyday,‘dy‘)=‘星期一‘ THEN 1

WHEN  to_char(everyday,‘dy‘)=‘星期二‘ THEN 2

WHEN  to_char(everyday,‘dy‘)=‘星期三‘ THEN 3

WHEN to_char(everyday,‘dy‘)=‘星期四‘ THEN 4

WHEN to_char(everyday,‘dy‘)=‘星期五‘ THEN 5

WHEN to_char(everyday,‘dy‘)=‘星期六‘ THEN 6

ELSE 7  END   as WEEK_ID,

to_char(everyday,‘dy‘) as WEEK_NAME,

--  lpad(to_char(everyday,‘w‘),6) as w,

--  to_char(everyday,‘WW‘) AS WW,

--  to_char(everyday,‘IW‘) AS IW,

--   to_char(everyday,‘FMWW‘) AS FMWW,

TO_NUMBER(lpad(to_char(everyday,‘IW‘),6)) as ISOWEEK_NUMBER_OF_YEAR

from(select to_date(‘20100101‘,‘yyyymmdd‘) + level - 1 as everyDay from dual

connect by level <=

(last_day(to_date(‘20111101‘,‘yyyymmdd‘)) - to_date(‘20100101‘,‘yyyymmdd‘) +1));

原文：http://www.cnblogs.com/qjxiaopang/p/5015871.html