A question asked about data contained in two or more tables in a relational database. The relational query must specify the tables required and what the condition is that links them; for example ...

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

GraphQL is a query language mostly used to streamline access to REST APIs. Now, a new breed of GraphQL implementations wants to build an abstraction layer for any database on top of GraphQL, and ...

If the history of relational databases is any indication, what is going on in graph databases right now may be history in the making.

You can continue to use Access with other relational databases using pass-through queries and linked tables; you just can’t use an ADP to link to Oracle or DB2, for instance.

Graph database query languages are growing, along with graph databases. They let developers ask complex questions and find relationships.

Graph database provider TigerGraph Inc. today announced version 3.0 of its namesake engine, saying it incorporates significant ease-of-use enhancements. Graph databases are a type of NoSQL ...

Tables are grids, similar to spreadsheets that have rows, columns, and headers. In dealing with a relational database, everything is a grid. Obviously, tables are grids, views are grids, and the ...

Reduce operational burden through a standard-based, open-source API layer Unlock data federation by querying multiple relational and NoSQL databases Work on-premises, hybrid cloud or multi-cloud ...