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How can I define a composite primary key in SQL?
...ULL. If you do a query like this:
SELECT * FROM voting WHERE QuestionID = 7
it will use the primary key's index. If however you do this:
SELECT * FROM voting WHERE MemberID = 7
it won't because to use a composite index requires using all the keys from the "left". If an index is on fields (A,B,...
Window Height=“Auto” not working as expected
...ettings.
– Mike Lowery
Feb 3 at 20:57
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Scala underscore - ERROR: missing parameter type for expanded function
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Similar: stackoverflow.com/questions/5981732/… stackoverflow.com/questions/5259006/…
– retronym
Oct 2 '11 at 15:11
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HTTPS with Visual Studio's built-in ASP.NET Development Server
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edited Jul 20 '18 at 10:17
DreamTeK
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add a string prefix to each value in a string column using Pandas
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answered Nov 17 '13 at 5:00
Roman PekarRoman Pekar
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Android: How to Programmatically set the size of a Layout
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answered Jul 23 '11 at 7:19
A. AbiriA. Abiri
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What is the “realm” in basic authentication
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From RFC 1945 (HTTP/1.0) and RFC 2617 (HTTP Authentication referenced by HTTP/1.1)
The realm attribute (case-insensitive) is required for all
authentication schemes which issue a challenge. The realm value
(case-sensitive), in combination with the canon...
When should I use jQuery deferred's “then” method and when should I use the “pipe” method?
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answered Mar 7 '12 at 12:06
Felix KlingFelix Kling
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Strip Leading and Trailing Spaces From Java String
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Assign same value to multiple variables at once?
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answered Jul 25 '12 at 14:07
Tim CooperTim Cooper
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