Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. A database abstraction layer is an application programming interface which unifies the communication between a computer application and databases such as MySQL, PostgreSQL, Oracle or SQLite. Traditionally, all database vendors provide their own interface tailored to their products which leaves it to the application programmer to implement code for all database interfaces he would like to support. Database abstraction layers reduce the amount of work by providing a consistent API to the developer and hide the database specifics behind this interface as much as possible. There exist many abstraction layers with different interfaces in numerous programming languages.

Данное издание не является оригинальным. Книга печатается по технологии принт-он-деманд после получения заказа.