Open source courseware contributions are absolutely critical to the success of the EXLskills.com mission, yet we all have to keep the lights on... To this end, we offer a peer-to-peer instruction ...

This is the repository for the LinkedIn Learning course Introduction to Transact-SQL. The full course is available from LinkedIn Learning. Relational databases and SQL servers have been a cornerstone ...

Modern enterprises are struggling to gain insights from an exploding number of database management systems and ever-growing data volumes. SQL Server 2019 can help you overcome the challenges of ...

Follow this step-by-step guide to install PostgreSQL, load data, connect to a database, and execute SQL queries including table joins PostgreSQL is an open-source, object-relational (also called ...

This post was authored by Scott Konersmann, Partner Engineering Manager, SQL Server, Slava Oks, Partner Group Engineering Manager, SQL Server, and Tobias Ternstrom, Principal Program Manager, SQL ...

Note – This book abbreviates SQL Server 2008 Reporting Services as SSRS and SQL Server 2005 Reporting Services as SSRS2K5. New features available in SSRS and not in SSRS2K5 are labeled with “New in ...

If you are a SQL programmer, learning recursive SQL techniques can be a boon to your productivity. A recursive query is one that refers to itself. I think the best way to quickly grasp the concept of ...