HackerRank isn’t just a random collection of problems; they’ve organized their SQL section pretty well. You can find ...

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 ...

we are facing a segmentation fault executing one specific query. The issue seems similar to #7705 but our query does not contains window partition. Latest version of Postgres 16 server and citus are ...

What if you could turn the tedious task of combining transaction files into a quick and easy process? With Power Query in Excel 365, you can do just that. This powerful tool allows you to merge files ...

If you are working with Excel spreadsheets or workbooks, juggling multiple tables of data, at some time you might need to combine them into one. Rather than spending hours manually copying and pasting ...

We present distributed query scheduling algorithms that minimize network utilization for spatial joins in the SkyQuery federation of Astronomy databases. Unlike existing works that measure the quality ...

Power Query allows you to merge (“join” in database terms) two tables together in a variety of different ways, including left and right anti joins. Unfortunately, as I found recently, anti joins don’t ...

Jake Query, an on-air personality on Indianapolis sports talk radio stations for more than a decade, will be the host of a new midday show on The Fan. The show, billed as “Query & Company,” will take ...

A few months ago a new option was added to the Sql.Database and Sql.Databases functions in Power Query in Power BI and Excel which allows Power Query queries that combine data from different SQL ...

Read this SQL tutorial to learn when to use SELECT, JOIN, subselects and UNION to access multiple tables with a single statement. It’s sometimes difficult to know which SQL syntax to use when ...