Java Persistence API: A look deeper The Java Persistence API is a lightweight, POJO-based framework for object-relational mapping. The mapping between Java objects and a relational database is ...

Java Database Connectivity (JDBC) is an application program interface (API) packaged with the Java SE edition that makes it possible to standardize and simplify the process of connecting Java ...

A database that is managed by an object-oriented database management system (ODBMS). Object databases are closely aligned with a particular object-oriented programming language and enable the data in ...

db4o is an open-source, object-oriented database from db4objects. It is embeddable, in the sense that the entire db4o engine is supplied as a single library that links into your application. Versions ...

The need to persist data created at runtime is as old as computing. And the need to store object-oriented data cropped up when object-oriented programming became pervasive. Currently, most modern, ...

A database that maintains a set of separate, related files (tables), but combines data elements from the files for queries and reports when required. The concept was developed in 1970 by Edgar Codd, ...

Relational databases are really great for storing and retrieving data, but sometimes, they aren't quite up to the task. Joe Celko, whose SQL for Smarties books are among my favorites, dedicated an ...

Oracle is an object-relational database system (RDBMS) primarily used by large companies to store and retrieve enterprise-wide, mission-critical, transactional data. When working with an Oracle ...

Here's how you can use SQL Server's OpenJson function to dismantle JSON structures into relational tables targeting either transactional systems or data warehouses. JSON is great for moving data ...