This article’s goal is to add to “SQL Server All in One.” The use of a unique constraint makes sure that no duplicate values are
Tag: SQL Server Integrity Constraints
SQL Server CHECK Constraint
In SQL Server, you may create a check constraint in a table to specify the data values that are permitted in one or more columns.
Domain Integrity in SQL Server
Domain integrity assures that every data in a field contains legitimate values, is established by the permitted values of an attribute. Data types such as
Integrity Constraints – Overview
This post is intended to introduce integrity constraints, their need and their usage in SQL. Integrity constraints are pre-defined sets of guidelines used in Database
SQL Server – Foreign Key Relationships
To establish a connection between two or more tables, foreign key constraint will be used. One table’s primary key column can be referred to another
Big Data and SQL 