C Celestial dog Unregistered / Unconfirmed GUEST, unregistred user! 2002-01-06 #1 field aa bb cc...... 1 2 3...... 4 5...... 实现aa bb cc...... 4 2 5......
D dhl2001 Unregistered / Unconfirmed GUEST, unregistred user! 2002-01-06 #2 update tablename set a=x,b=y where .....
E eric.youbin Unregistered / Unconfirmed GUEST, unregistred user! 2002-01-07 #3 update tablename set aa=max(aa),bb=max(bb), cc=max(cc) (还是不知道你的意思）
D dadabox Unregistered / Unconfirmed GUEST, unregistred user! 2002-01-07 #4 Oracle里面有replace函數呀﹖不懂你的意思﹖如果你要最大值﹐似乎上面的可以。
C Celestial dog Unregistered / Unconfirmed GUEST, unregistred user! 2002-01-08 #5 是我没说明白，其实我要的就是replace,可惜我怎么用不了??
J jlyin Unregistered / Unconfirmed GUEST, unregistred user! 2002-01-08 #6 用SQL语句： update tablename set aa=4,cc=5 where bb=2 (或其他定位)
C Celestial dog Unregistered / Unconfirmed GUEST, unregistred user! 2002-01-08 #7 4,5在程序中会变的，用update不怎么好写
