I have to design a SQL query on an Oracle 10 DB. I want to do it in an elegant way and avoid, if possible, using sub-queries and in the most portable way possible. Basically it's query involving 3 ...

Self taught (and poorly at that) on SQL and I ran into something I cannot figure out if it is possible. I need to query CI with a child account to get the parent, then query CI with the parent to get ...

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 ...

Community driven content discussing all aspects of software development from DevOps to design patterns. The goal of Hibernate and JPA is to hide the complexity of SQL and relational databases from the ...

One way that organizations are storing data in the cloud is by moving their databases to the cloud. What once meant building an entire physical server, patching it, installing software like Microsoft ...

Power Query is a game-changer in terms of the amount of time I save, ensuring imported data is ready for analysis in Excel. If you're new to this tool, it's helpful to know a few commands that can ...