Tag: free tutorial

What Are Stored Procedures Used For in SQL

In my previous tutorial, we talked about SQL Server views, how they work, how to create them, and why they’re useful for simplifying complex queries....

What Is Index in SQL Server?

When I first started working with SQL Server, one of the things that confused me was performance. Why do some queries return results almost instantly,...

How to Do Mathematical Operations in SQL?

When working with Microsoft SQL Server, you’ll quickly find that it’s not just about storing and retrieving data. You also have to learn how to...

How to Use Date Functions in SQL

In this post, I’ll show you how to use date functions in SQL with practical examples. When working with Microsoft SQL Server, you’ll often need...