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New posts in unique-constraint

How can i make ruby on rails handle duplicate record errors from MySQL

Oracle 'INSERT ALL' ignore duplicates

duplicate null value violation on UNIQUE KEY constraint in Mssql

Slugify string in Django

Create Unqiue case-insensitive constraint on two varchar fields

Hibernate - clearing a collection with all-delete-orphan and then adding to it causes ConstraintViolationException

How does PostgreSQL enforce the UNIQUE constraint / what type of index does it use?

Migrate Django model to unique_together constraint

Alter a nonunique index to a unique index

How to define a "unique" constraint on a column of MySQL table in Ruby on Rails 3?

Neo4j 2.0 unique constraint error "node already exists" when it does not

How to specify that a combination of columns should be a unique constraint using annotations?

Conditional unique constraint with multiple fields in oracle db

SQL can I have a "conditionally unique" constraint on a table?

Add unique constraint to an existing PostgreSQL index

Entity Framework: How to properly handle exceptions that occur due to SQL constraints

Unique combination of fields in SQLite?

Finding ghost constraint from Oracle DB

Unique constraint violation during insert: why? (Oracle)

oracle unique-constraint

HABTM - uniqueness constraint