Learn what is the purpose of a primary key in a relational database, how to define and use it, and what are some common challenges and best practices.

Learn the basics of primary keys, their benefits, and how to create them in relational databases.

Which makes for a better primary key: natural data points or meaningless values? Database developers have strong opinions on this facet of primary key design. This article settles the debate once ...

Today we learn how we can display the primary key of a table or database. 1. To display the primary key in a table we can execute any of the following command ...

Technical documentation for Microsoft SQL Server, tools such as SQL Server Management Studio (SSMS) , SQL Server Data Tools (SSDT) etc. - MicrosoftDocs/sql-docs ...

The superiority of surrogate versus natural keys is a hotly debated topic among database developers. Susan Harkins offers some insights into when -- and why -- you might choose one over the other.

The names of primary keys a merge module database must adhere to a standard naming convention. The purpose of this naming convention is to reduce the possibility of creating a name conflict between ...

When you only have "Surrogate Key" and someone enters a wrong data, your database just inserts this wrong data withou you noticing. What do you guys say about this controlling aspect (Constraint) of ...