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New posts in unique-key

MyISAM unique keys being cut off at 64 bytes, causing collisions

how to generate unique id in php based on current data and time?

Unique key on whole mysql table?

Django & South: Custom field methods are not executed when doing obj.save() in a data migration

Creating a unique key based on file content in python

Unique System ID in Ruby ...?

Math question regarding Python's uuid4

MySQL truncates composed unique index to 64 characters

How do I generate a session ID in Node.js?

Can a unique key ( not a primary key) be a foreign key to other table?

Why can I not set this unique constraint in PostgreSQL?

How can I enforce a constraint only if a column is not null in Postgresql?

SQL Server 2005 unique key with null value

Add new keys to a dictionary while incrementing existing values

Fluent NHibernate 3 uniquekey custom constraint name

How to prevent rows with duplicated indices / keys to be appended to a data.frame?

Filter unique values from a JSON

Solr Composite Unique key from existing fields in schema

PostgreSQL: is it possible to provide custom name for PRIMARY KEY or UNIQUE?