The traditional role of integrity constraints is to protect the integrity of data, but integrity constraints can and do play other roles in databases; for example, they can be used for query ...

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 ...

Check uniqueness for column 'd', if constraint was violated then do replace. Execute box_insert in Tarantool, which will perform uniqueness check for column 'e'.

SQL CHECK Constraint syntax:- The following SQL creates a CHECK constraint on the "employee_Id" column. The CHECK constraint describe that the column "employee_Id" should only have values those are ...

Check constraints are supported in all of the major DBMS products, including DB2, Oracle, and SQL Server. But they are too-often ignored and not implemented in production databases. Properly defined, ...

Article citations More>> D. Berrabah, F. Bouferes and C. Ducateau, “A New Tool to Check the Coherence of Constraints Defined on UML Class Diagrams,” International Journal of Computer Science and ...