Unique-constraint is an index that sets one or multiple fields to be unique in a data entity
I'm using ormlite for Android and I'm trying to get a multiple column unique-constraint. As of now i'm only able …
sql sqlite unique-constraint ormliteMy database contains a table of users. Every active user has a unique username. I'd like to be able to …
mysql unique-constraintHow to create a constraint on the uniqueness of all the values in the array like: CREATE TABLE mytable ( interface …
arrays postgresql unique-constraintwhen performing an insert I get the following error message AN INSERTED OR UPDATED VALUE IS INVALID BECAUSE INDEX IN …
db2 unique-constraint rowidWe have a legacy database schema that has some interesting design decisions. Until recently, we have only supported Oracle and …
sql postgresql database-design null unique-constraint