SQL remains the foundation for turning raw records into reports and business insights across industriesCore queries like ...

Whether you’re just getting in to programming or you’ve avoided learning SQL, it’s something every developer faces eventually. You may not be responsible for building and maintaining a database, but ...

Shelley Doll finishes her coverage of SQL data types with an overview of datetime and interval data types. Learn more about the basic syntax of these standard SQL types. Datetimes and intervals are ...

Learn how to master the SELECT statement to form truly useful data queries. This article explains functions, clauses, and keywords that will make your life a lot easier. Due to popular demand, we’re ...

Assuring optimal performance of database applications starts with coding properly formulated SQL. Poorly written SQL and application code is the cause of most performance problems. As much as 75% of ...

It’s a common mistake: a company puts a poorly performing database on larger and larger servers, throwing more and more money away while making the same mistakes, but the database never gets any ...

The structured query language is a powerful tool for connecting to many database systems that store data in tables organized into rows and columns. It's often used on the backend of business websites ...

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 ...

I always look forward to new research from Unisphere Research, a division of Information Today, Inc., publishers of this magazine and other great products for data professionals. The latest report ...