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 ...

Thomas LaRock: "Without a basic understanding of wait events and how the occur, you will waste a lot of time trying and guessing at how to improve the performance of a query." Optimizing SQL Server ...

The optimizer is the heart and soul of a relational DBMS. It analyzes SQL statements and determines the most efficient access plan for satisfying each statement. The optimizer accomplishes this by ...

One of the most time-consuming aspects of being a DBA is assuring the performance of database systems and applications. A lot of time will be spent on tuning application code and SQL statements to ...

SQL injections top plenty of lists as the most prevalent means of attacking front-end Web applications and back-end databases to compromise data. "One of the reasons we're seeing such an increase in ...

Relational SQL databases, which have been around since the 1980s, historically ran on mainframes or single servers—that’s all we had. If you wanted the database to handle more data and run faster, you ...