Developers often dismiss dynamic SQL used in PL/SQL programs for two reasons. One reason is that it's riskier because the SQL statements aren't parsed until runtime, so it's more difficult to catch ...

As a consultant whose job description includes putting out performance fires, I get to see a lot of problematic queries that can dramatically harm overall server performance and throughput. Wondering ...

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 ...

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 ...

Unlock the full InfoQ experience by logging in! Stay updated with your favorite authors and topics, engage with content, and download exclusive resources. Birgitta Böckeler, Distinguished Engineer at ...

Through the many changes in IT over the years, one constant has always been a concern for performance. With database systems there is especially true. Even with the many advances in relational ...

A common SQL habit is to use SELECT * on a query, because it’s tedious to list all the columns you need. Plus, sometimes those columns may change over time, so why not just do things the easy way? But ...

The better your SQL database performs, the more effectively it will fulfill its purpose of providing information to the apps and services that rely upon it to function. Optimizing database performance ...

With the latest public preview available, it’s time to decide if you want to upgrade to Microsoft’s most cloud-connected version of SQL Server so far. Three decades on, SQL Server is still a database ...

I've been doing a little work on trying to improve performance of our HBA's in our SQL servers. We've done some extensive testing on Queue Depth settings as that's one of the settings to change to ...