sql that usually used

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向数据表中插入一年的日期:

insert into T_HOLIDAY
select SEQ_T_HOLIDAY.NEXTVAL xh,to_date(20160101,‘YYYYMMDD‘)+level-1 date_time,0 date_type from dual connect by level <367;

将日期为周六周日的更新为非工作日:

--星期日为1,星期六为7,工作日为2~6
update t_holiday set date_type=1 where to_char(date_time,‘D‘) in (1,7);


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