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Why use multiple columns as primary keys (composite primary key)
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Note that in many cases of using a generated primary key, you often still want a unique key on the composite values.
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How can I find script's directory with Python? [duplicate]
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Acumenus
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answered Mar 29 '11 at 15:43
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How to store printStackTrace into a string [duplicate]
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answered Jan 27 '11 at 3:59
Zach LZach L
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How to center a WPF app on screen?
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answered Feb 18 '11 at 16:30
Indy9000Indy9000
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No line-break after a hyphen
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answered Oct 7 '11 at 18:48
CanSpiceCanSpice
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What is the difference between a.getClass() and A.class in Java?
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answered Jun 8 '12 at 11:16
aioobeaioobe
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Can I concatenate multiple MySQL rows into one field?
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How to pass parameters on onChange of html select
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default select option as blank
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javidazac
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answered May 13 '14 at 17:37
GambitGambit
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