表1
acctno bal trandate
--------------------------------------------
102012011 81.23 2010-01-03
102012011 100.21 2010-01-05
102012011 481.23 2010-02-04
102012011 1300.21 2010-04-05
102012011 281.23 2010-04-07
102012011 1020.21 2010-05-01
102012011 821.23 2010-05-21
102012011 100.21 2010-05-26
表二
acctno bal trandate trandate2
------------------------------------------------------
102012011 81.23 2010-01-03 2010-01-05
102012011 100.21 2010-01-05 2010-02-04
102012011 481.23 2010-02-04 2010-04-05
102012011 1300.21 2010-04-05 2010-04-07
102012011 281.23 2010-04-07 2010-05-01
102012011 1020.21 2010-05-01 2010-05-21
102012011 821.23 2010-05-21 2010-05-26
102012011 100.21 2010-05-26 2012-12-31
表一到表二的变换能用sql实现吗，如何解决这个问题请求db2高人的指导
收起