Oracle 数据仓库简单时间维度表的创建
create table ELMP_TRANS_DATE(c_date date,c_week varchar2(12),c_month varchar2(12),c_quarter varchar2(15),c_year varchar2(12));
alter table ELMP_TRANS_DATE add primary key(c_date);
insert into ELMP_TRANS_DATE
select c_date,
to_char(c_date, 'YYYY') || '年第' || to_char(c_date, 'WW') || '周' c_week,
to_char(c_date, 'YYYY') || '年第' || to_char(c_date, 'MM') || '月' c_month,
to_char(c_date, 'YYYY') || '年第' || to_char(c_date, 'Q') || '季度' c_quarter,
to_char(c_date, 'YYYY') || '年' c_year
from (select to_date('2010-01-01', 'yyyy-mm-dd') + level - 1 c_date
from dual
connect by rownum <= to_date('2040-12-31', 'yyyy-mm-dd') -
to_date('2010-01-01', 'yyyy-mm-dd') + 1)
order by 1;
alter table ELMP_TRANS_DATE add primary key(c_date);
insert into ELMP_TRANS_DATE
select c_date,
to_char(c_date, 'YYYY') || '年第' || to_char(c_date, 'WW') || '周' c_week,
to_char(c_date, 'YYYY') || '年第' || to_char(c_date, 'MM') || '月' c_month,
to_char(c_date, 'YYYY') || '年第' || to_char(c_date, 'Q') || '季度' c_quarter,
to_char(c_date, 'YYYY') || '年' c_year
from (select to_date('2010-01-01', 'yyyy-mm-dd') + level - 1 c_date
from dual
connect by rownum <= to_date('2040-12-31', 'yyyy-mm-dd') -
to_date('2010-01-01', 'yyyy-mm-dd') + 1)
order by 1;
来自 “ ITPUB博客 ” ，链接：https://blog.itpub.net/26506993/viewspace-2121678/ ，如需转载，请注明出处，否则将追究法律责任。
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