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score 3.1k · Answer 1 · 2015-06-13 06:34:55

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score 1.6k · Answer 2 · 2015-06-15 17:28:26

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score 31k · Answer 3 · 2015-06-18 09:43:36

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score 86 · Answer 4 · 2015-06-16 06:54:26

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score 9.9k · Answer 16 · 2011-02-23 02:18:32

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List Question

How to generate unique secure random string in PHP?

Solr 5.1.0: How to set the unique key via Schema API

MySQL: is primary key unique by default?

Creating Unique Key in Entity Framework Model First approach

UPDATE MySQL table with HAVING clause

What's the best way to get address difference between a class variable and the starting address of a class object?

Multivalued dependency confusion

Identifying documents by multiple unique keys in solr

mySQL UPDATE while ignoring table constraints

MySQL: Is it mandatory to create a `Unique Key` when you have 2 `Primary Keys` in a table?

How to Generate random numbers without the same number

Adding unique key/index to table and its influence on existing records

Can we have a table with no primary key but a composite unique key on multiple columns in entity framework?

Does an empty SQL table have a superkey? Does every SQL table have one?

Find or insert based on unique key with Hibernate

Why can I not set this unique constraint in PostgreSQL?

Checking uniqueness on real time application

SQL: auto_increment of primary key counts different since I added unique keys?

Filter unique values from a JSON

Generate new unique ID numbers while excluding previously generated ID numbers in R

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