Unique-constraint is an index that sets one or multiple fields to be unique in a data entity
I've created the following table: CREATE TABLE MMCompany ( CompanyUniqueID BIGSERIAL PRIMARY KEY NOT NULL, Name VARCHAR (150) NOT NULL, PhoneNumber VARCHAR(20) …
sql postgresql database-design null unique-constraintI have a table that is in production. I realize that some of the columns should be unique. Is it …
mysql phpmyadmin unique-constraintHow can I implement my unique constraints on the hibernate POJO's? assuming the database doesn't contain any. I have seen …
java hibernate unique unique-constraintI have a Table like this one: |UserId | ContactID | ContactName --------------------------------------- | 12456 | Ax759 | Joe Smith | 12456 | Ax760 | Mary Smith | 12458 | Ax739 | Carl Lewis | 12460 | …
sql-server sql-server-2005 sql-server-2008 constraints unique-constraintI'm trying to populate a SQL table with a list of words. The table itself it pretty simple: CREATE TABLE …
mysql sql case-sensitive varchar unique-constraintI'm following up in regards to a question that I asked earlier in which I sought to seek a conversion …
django postgresql duplicates unique-constraint database-integrityI'm looking for a implementation of java.util.Queue or something in the Google collection who behave like a Queue, …
java collections queue guava unique-constraintI'd like to add a constraint which enforces uniqueness on a column only in a portion of a table. ALTER …
postgresql constraints unique-constrainthow to add a unique constraint of a sql table as foreign key reference to an another sql table in …
sql-server unique-constraintIn MySQL Workbench's EER diagram, there is a checkbox to make each column in a table unique, not null, primary …
mysql mysql-workbench unique-constraint multiple-columns workbench