摘要:
numtodsinterval(<数字>,<字符串>) 字符串包含('day','hour','minute','second') select sysdate,sysdate+numtodsinterval(3,'day') as res from dual; --取三天后的时间 select s 阅读全文
摘要:
select to_char((to_date('2019-07-01', 'yyyy-mm-dd') + numtodsinterval(avg(begin_time_second), 'second')),'hh24:mi:ss') avg_begin_time,to_char((to_date 阅读全文