In mobile environments data from a client database often has to be integrated into a server database during a synchronization process. Thereby unique constraint violations are possible if the client ...

Itemset mining identifies group of frequent itemsets that signify possibly of relevant information. Unique constraints are usually forced to emphasis the analysis on most interestingness itemsets. In ...

The SCRUB tool validates table constraints. Before this change, it could only validate `CONSTRAINT` and foreign key constraints. This PR enhances SCRUB to also validate tables that contain `PRIMARY ...

Constraints in sql are used to define rules for the table and columns in a database and also make sure that data are accurate and trusted in the database. constraints are responsible for the ...

I found that if you have a table that has a lot of columns in it's primary key, it is possible to make EF Core generate invalid SQL Server identifiers for unique constraints that it generates. I.e.

SQL UNIQUE Constraint UNIQUE constraint is used to uniquely identified a field or column in a database system. The PRIMARY KEY and UNIQUE constraints both give a assurance for uniqueness of a column ...

I've got an interesting constraint I'm trying to add to our database. I can do with with triggers, but am curious if there is a more elegant way to do this in T-SQL (SQL2005, FWIW) We have two ...

Cascading referential integrity constraints are foreign key constraints that tell SQL Server to perform certain actions when a primary key field in a primary key-foreign key relationship is ...