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我有一個表叫員工更新查詢2005
empID name startdate Middate DEptID
1 kumar 2011-04-30 2005-09-13 1
2 kiran 2011-05-23 2006-08-13 1
3 kishor 2008-04-13 2009-04-23 6
4 anu 2009-09-03 2000-06-13 1
5 priya 2010-05-04 2010-04-13 6
6 sweth 2011-07-13 2007-12-16 1
7 manu 2011-08-15 2006-12-07 6
有什麼辦法,我可以更新此表,以便 STARTDATE = Middate所有員工
empID name startdate Middate DEptID
1 kumar 2005-09-13 2005-09-13 1
2 kiran 2006-08-13 2006-08-13 1
3 kishor 2009-04-23 2009-04-23 6
4 anu 2000-06-13 2000-06-13 1
5 priya 2010-04-13 2010-04-13 6
6 sweth 2007-12-16 2007-12-16 1
7 manu 2006-12-07 2006-12-07 6
請讓我知道我可以解決這個
感謝
王子