Whenprogramming for DBMS independence, not all systems fully support the ANSI SQL standard. This article provides a list of risks to consider when using nonstandard SQL. Database design for ...

Data Independence for Processing Program #1 uses a hard-coded value to test credit limit. To change the limit, the program must be recompiled. Program #2 retrieves the credit limit from a database.

In this issue's column I'll be providing a fundamental introduction to database and database management concepts. Many of you may think that they understand the basic concepts and fundamentals of ...

In recent versions, Drupal has provided a database abstraction layer in order to facilitate the use of any of a number of database management systems to support a given Drupal installation. Database ...

If there is anybody who is a champion for data abstraction when it comes to SOA, it's me. Moreover, if there is anybody who is a champion for open source SOA technology, it's me.