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Can I add a UNIQUE constraint to a PostgreSQL table, after it's already created?
...s this leads also to the message like "Key (uuid)=(3a533772-07ac-4e76-b577-27a3878e2222) is duplicated. Query failed" if you have a value that is not unique...
– Strinder
Dec 3 '15 at 7:39
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What is the difference between Class Path and Build Path
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The class path is used at runtime to load compiled classes and resources.
The build path is us...
What is digest authentication?
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answered Jan 7 '16 at 14:27
Chris OakleyChris Oakley
1111 bronze badge
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Purpose of “consider_all_requests_local” in config/environments/development.rb?
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What is the meaning of the term “free function” in C++?
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Spring .properties file: get element as an Array
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answered Feb 28 at 9:27
Ruslan SheremetRuslan Sheremet
13388 bronze badges
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Unique constraint that allows empty values in MySQL
... cg.cg.
3,46022 gold badges2323 silver badges2727 bronze badges
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Insert the carriage return character in vim
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Django fix Admin plural
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How to configure static content cache per folder and extension in IIS7?
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answered Jan 27 '11 at 20:13
Jeff CuscutisJeff Cuscutis
10.2k66 gold badges2525 silver badges2121 bronze badges
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