pgtt is a PostgreSQL extension to create, manage and use Oracle-style Global Temporary Tables and the others RDBMS. The objective of this extension it to provide the Global Temporary Table feature to ...

In this tutorial, we build a comprehensive, hands-on understanding of DuckDB-Python by working through its features directly in code on Colab. We start with the fundamentals of connection management ...

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 ...

At the heart of Apache Spark is the concept of the Resilient Distributed Dataset (RDD), a programming abstraction that represents an immutable collection of objects that can be split across a ...

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 ...

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 ...