plsql对小时判断if? to_char(sysdate,HH24)?? not? between? 9?? and? 17?? then
plsql对小时判断
if? to_char(sysdate,'HH24')?? not? between? '9'?? and? '17'?? then
plsql对钟点判断
2012-07-15
plsql对小时判断
if? to_char(sysdate,'HH24')?? not? between? '9'?? and? '17'?? then