Learn about and revise the topics of relational databases and structured query language (SQL) with this BBC Bitesize GCSE Computer Science AQA study guide.

A relational database can contain many tables. Example For example, a row may hold information of a student named Chloe Clarke and another row will hold information related to another student.

Inside a relational database management system, the princi­pal persisted data structure is considered a logical relation. Operations performed against that data within the RDBMS result in a logical ...

These relational databases expanded how companies could store and manage their data, but SQL made it possible to interact with that data in ways that matched their business processes.

When duplication is necessary, users can employ SQL to duplicate data for queries, and for future use. Migration strategies and tools are then explained by McCauley, using AWS Database Migration ...

Learn the key differences between relational and NoSQL databases with this in-depth comparison.

This online data science specialization is ideal for learners interested in database design, database software fundamentals, and how to use Structured Query Language (SQL) to work with databases. You ...