While it is best to create and build the link between tables before the data flow begins, new tables or other existing tables may need
Tag: Foreign Key Constraint in SQL Server
Define Foreign Key In Different Ways – SQL Server
A foreign key (FK) is a column or group of columns used to create and enforce a link between data in two tables in order
Referential Integrity Constraints
A foreign key must match a primary key or be null in order to maintain referential integrity. In other words, every column in a base
Big Data and SQL 