How to Check Unique Key Constraint
52068
combination of two field must be unique in Entity Framework code first approach. how it would?
141201
Simple CHECK Constraint not so simple
12087
How to drop unique in MySQL?
16913
How can I check if a key is pressed during the click event with jQuery?
58229
Is a table without a primary key normalized?
35230
How to find fixed points for DES weak keys
118349
Oracle find a constraint
100019
Why does a UNIQUE constraint allow only one NULL?
21050
Test for existence of nested JavaScript object key
88093
How do you scope uniquenuess based on two values with Rails 3 validations?
49130
implementation for product keys
70616
How to find the query that is still holding a lock?
73787
How check with SOQL if a picklist value is available or not for a specified record type
56252
Map implementation with duplicate keys
74562
ORA-02270: no matching unique or primary key for this column-list
118020
Primary key or Unique index?
67415
sql unique constraint on a 2 columns combination