PostgreSQL database performance is critical for application performance. EzzEddin Abdullah shows how to get information about a query’s performance from the execution plan.… Read more
The VALUES clause makes inserting literal values into a table simple and easy. In this article, Joe Celko explains how to use the VALUES clause.… Read more
There are several tools available to keep a MySQL database secure. In this article Lukas Vileikis discuses access control and user privileges.… Read more
The SSRS database contains a wealth of undocumented information that can help administrators. In this article, Edward Pollack explains how to get to the data and ways to use it.… Read more
Stored functions in MySQL return a scalar value and can be used in a SQL statement. In this article, Robert Sheldon explains how to create and use a MySQL stored function.… Read more
The Oracle optimizer often changes the query to get better performance. In this article, Jonathan Lewis explains two more optimizations involving subqueries.… Read more
SQL Server has many features to keep the database secure, but you must implement them to benefit. In this article, Priyanka Chouhan describes how to do a vulnerability assessment of SQL Server.… Read more
MySQL stored procedures are objects containing one or more SQL statements for reuse. They often contain business logic. Robert Sheldon demonstrates how to create and call stored procedures.… Read more
Topic modeling can be used to find more detailed insights into text than a word cloud can provide. Sanil Mhatre walks you through an example using Python.… Read more
Part 1: What is testable code, why is it important, and first glimpses on practices that can help Anyone familiar with PL/SQL, the procedural language extension to Oracle SQL, knows that the code they are touching is usually business-critical, likely to be around for a long time, and may undergo many revisions in the future. … Read more
There are several common challenges when creating paginated reports from Power BI datasets. In this article, Adam Aspin explains how to work around several of these issues.… Read more
In this article, Jonathan Lewis discusses why you might want to stop the optimizer from unnesting some subqueries and how to control where the optimizer positions each subquery.… Read more
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