Primary Key and Unique Key difference in SQL Server
Primary and Unique Key both enforce uniqueness of columns on which they are defined. Then where do they differ? They differ in following way – A primary key doesn’t allow null …
Read MoreTag: Unique Key Constraint
SQL Server Constraints
Hello, SQL Server Constraints can be defined as rules that govern the values that are inserted into a column. These rules help in enforcing data integrity. For example if a NOT …
Read More