Overview: Consistent SQL practice across varied platforms builds real job-ready confidence.Guided lessons help beginners, while timed challenges sharpen intervi ...

I've been playing around with the new Microsoft service, currently in preview and it's time to show off what it can do. Have you ever struggled with a database performance problem or ever struggled to ...

First introduced in SQL Server 2012, columnstore indexes can give you major performance gains -- provided you have the right workloads. Here's how columnstore indexes work and what types of data work ...

Database performance impacts application tiers and user experience, as well as cloud costs. Yet, understanding database issues is challenging. Whether it's MySQL, PostgreSQL, or cloud databases like ...

Structured Query Language, or SQL, is used to analyze large datasets. Today’s best SQL courses offer hands-on training for mastering database management. Structured Query Language, or SQL, is the ...

SQL is a convenient way to manage and query your data, but badly written queries can tie up your database. Here are seven common SQL traps and how to avoid them. Database developers have it tough.

With JSON now the default format for moving data between clients and servers, SQL Server adds JSON support to make it easier to get your data out of the database and down to the client. SQL Server ...

SQL has dominated data querying for decades. Newer query languages offer more elegance, simplicity, and flexibility for modern use cases. For the last three decades, databases and Structured Query ...