原创 求一列所有值的積

 select power(2,sum(log(2,a))) from table;

2018-08-27 17:40:43

原创 重複記錄和處理

  1、查找表中多餘的重複記錄，重複記錄是根據單個字段（peopleId）來判斷 select * from people where peopleId in (select peopleId from

2018-08-27 17:40:41 2

原创 更新不同表相同字段不同值

UPDATE SA.SUBMIT SA    SET SEND_STATE = (SELECT SEND_STATE                        FROM PHS.SUBMIT                      

2018-08-27 17:40:40

原创 由身份證讀取當天生日

  private string getBirthdayName()     {         string getName = ""; ;         string cmdString = "se

2018-08-27 17:40:40 2