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#2
小蜗2006-09-27 15:13
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select distinct BookID,ID2 from tx
我想把bookid重复的去掉,但不去掉ID2重复的,怎么做啊!要是我这样select distinct BookID,ID2 from tx,把ID2重复的也去掉了,弄了半天也没弄出来
select distinct BookID,ID2 from tx
我想把bookid重复的去掉,但不去掉ID2重复的,怎么做啊!要是我这样select distinct BookID,ID2 from tx,把ID2重复的也去掉了,弄了半天也没弄出来
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#2
小蜗2006-09-27 15:13
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#3
pchelp20082006-09-27 16:18
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#4
LouisXIV2006-09-27 20:47
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#5
pchelp20082006-09-28 12:31
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#6
LouisXIV2006-09-29 07:15
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#7
nisumost2006-10-02 14:34
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#8
flatter2006-10-03 11:00
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#9
pchelp20082006-10-03 13:49
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