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 ...

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 ...

Please Note: Learners who successfully complete this IBM course can earn a skill badge — a detailed, verifiable and digital credential that profiles the knowledge and skills you’ve acquired in this ...

This post is one of a series that introduces the fundamentals of NOSQL databases, and their role in Big Data Analytics. What is an XML database? XML databases use XML to model and query data. XML is a ...

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 ...

A relatively new concept in the world of database systems is the NoSQL DBMS. What is NoSQL? Well, I bet you guessed that it doesn’t use SQL, right? I mean, it is sort of right there in the name. But ...

Microsoft this week posted several new downloads for developers working with Visual Studio 2008 and Visual Basic. One of the downloads, Visual Studio Team System 2008 Database Edition Power Tools, ...

This post is one of a series that introduces the fundamentals of NOSQL databases, and their role in Big Data Analytics. What is a navigational database? Navigational databases use a distinctive guided ...