Relational calculus. Query processing and optimization. Transaction processing: failure, recovery, and concurrency. Database security. Logic-based systems. Parallel ...

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 ...

Amazon Web Services (AWS) launched PostgreSQL on Amazon RDS, showing the strength of the open-source database and its market maturity. CTO Werner Vogels said onstage at the AWS re:Invent conference ...

An ORM (Object Relational Mapping) tool is one that is used to abstract the data access logic of your application. You can use ORM to bridge the apparent mismatch between the data and the object ...

Relational database management systems (RDBMS) rely on an optimizer (or relational optimizer) that transforms SQL statements into executable code. Before any SQL statement can be run by the RDBMS, the ...

A database management system (DBMS) that provides both relational and object database management capabilities. See universal server. THIS DEFINITION IS FOR PERSONAL USE ONLY. All other reproduction ...

The distributed version of the open source, object-relational database system is available as an add-on, dubbed EDB Extreme High Availability, for EDB Enterprise and Standard plans, the company said.

I urge our readers to have a look at the “Vietnam of Computer Science” by Ted Neward, which compares the quagmire of the Vietnam War to the current quagmire that ...

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 ...

In previous articles, I have discussed XML’s value as a data format for Linux users. I have also discussed a wide variety of Linux tools for processing XML. But the data that XML usually represents ...