MySQL and PostgreSQL are two of the most used open source SQL databases, and both fulfill the role of a general-purpose database well. How do you choose which one to use for a project? Let's look at ...

I was scrolling through YouTube and came across a video where one of my heroes, Brent Ozar (brenozar.com), showed how temporary tables and statistics can cause trouble for us developers working in SQL ...

Ifeanyi is a skilled data analyst passionate about writing and open-source development. His expertise in data analysis is complemented by his exceptional technical writing and documentation skill. In ...

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 ...

Part of the SQL Server 2022 blog series. The main difference between tempdb and other databases is the workload. With tempdb we are constantly creating and destroying objects such as temp tables. This ...

Need some hands-on SQL experience before starting full-time at your first data analyst job? Don’t know where to start? You’d be pleasantly surprised to know that there are not one but five different ...

The SQL-judge compares a student's solution based on the result, so the students' query does not have to be the same as the query of the model solution, as long as the result is the same. For each ...

The rise of big data over the years, especially with all the social networks these days, have compelled big companies to reassess their data access and collection methods — and this is where NoSQL ...

SQL is neither the fastest nor the most elegant way to talk to databases, but it is the best way we have. Here’s why Today, Structured Query Language is the standard means of manipulating and querying ...

As described in our previous article, the packer configuration contains the decryption key of the packed binary as well as its original filename, its size and the execution type (EXE or DLL). The ...