We propose two formal query languages: categorical calculus and categorical algebra, by extending relational calculus and relational algebra respectively. We demonstrate the equivalence between these ...

This paper presents BR∀CE, a Blockly-based, tile-based [11] environment to develop relational algebra and relational calculus queries. The tool runs in a browser, works with any database schema, and ...

Supabase develops an open-source relational database of the same name. It’s positioned as an alternative to Google LLC’s Firebase database, which is designed to power web and mobile apps.

John Bender, the regional vice president for U.S. federal at Neo4j, says data users must understand the difference between relational and graphing database technology. “A relational database uses ...

As you navigate through various database options, from relational database systems like SQL to non-relational database models like document stores and graph databases, it's important to align your ...

Nevertheless, non-relational databases, also known as NoSQL, commonly store data in a non-tabular form and are being increasingly used due to their advantages in big data and real-time web ...

A study finds that we are happier the more we talk with different categories of people — colleagues, family, strangers — and the more evenly our conversations are spread out among those groups.

The 01_mysql_project is a SQL development for a fictitious company which has basic needs that can be covered by using triggers, stored procedures, and other great features that come with the ...