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 updated or ...

Referential integrity (RI)is a method for ensuring the “correctness” of data within a DBMS. People tend to oversimplify RI, stating that it is merely the identification of relationships between ...

Primary Key Constraints A table typically has a column or combination of columns that contain values that uniquely identify each row in the table. This column, or columns, is called the primary key ...

[!INCLUDE SQL Server SQL Database] DML triggers is a special type of stored procedure that automatically takes effect when a data manipulation language (DML) event takes place that affects the table ...

There are two categories of integrity constraints: General constraints, which allow you to restrict the data values that are accepted for the variables in a single data file, such as requiring that ...