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

For technical clarification, databases come in two flavors: relational and non-relational. Relational (SQL) databases store data in tables with strictly-defined relationships between tables.

SQL-based relational servers are built to handle the demands of financial transactions, designed around the tenets of ACID: Atomicity, Consistency, Isolation, and Durability.

What does relational database actually mean? Find out inside PCMag's comprehensive tech and computer-related encyclopedia.

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 ...

For example, if your load triples overnight, how quickly can you upgrade your hardware? The second scenario can be too difficult to manage with a relational database in general.

NoSQL attacked both relational databases and SQL in the same vein. The main problem this time was that the Internet had destroyed the underlying premise of the 40-year-old relational database ...

Benefits of the Longer Route Of course, many databases do have a limit on the length of SQL statements, but you might be surprised how far one can go. This charac­teristic of relational closure is ...

Excel possesses formidable database powers. Creating a relational database starts with a Master table that links to subordinates called (awkwardly) Slave, Child, or Detail tables.