Database normalization is the cornerstone of database theory. Once a database is normalized, relationships between the data in multiple tables must be established.

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.

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 ...

A classic example of relational database design, this would be nearly impossible to do in a spreadsheet but was easy to put together in Airtable.

A table in a database holds the attributes for one entity only. Data can then be added in the form of records. Rather than storing information in one table, relational databases store data across ...

The relational optimizer is a very complex component of the RDBMS that we too often take for granted. The optimization techniques of the major RDBMS products continue to be improved with every new ...