relational database management systems (RDBMS). The JDBC API is composed of a number of interfaces and classes that represent a connection to the database, provide facilities for sending SQL queries ...

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 ...

One-to-many relationships are the most common relationships in correctly implemented relational database management systems. In a sports centre, one surface can be used on many different sports areas.