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PHP is a general-purpose scripting language that is especially suited to server-side web development, in which case PHP generally runs on a web server. Any PHP code in a requested file is executed by the PHP runtime, usually to create dynamic web page content or dynamic images used on websites or elsewhere. [ 284 ]
An application server is a server that hosts applications [1] or software that delivers a business application through a communication protocol. [2] For a typical web application, the application server sits behind the web servers. An application server framework is a service layer model. It includes software components available to a software ...
For Dummies is an extensive series of instructional reference books which are intended to present non-intimidating guides for readers new to the various topics covered. The series has been a worldwide success with editions in numerous languages. The books are an example of a media franchise, consistently sporting a distinctive cover—usually ...
Database index. A database index is a data structure that improves the speed of data retrieval operations on a database table at the cost of additional writes and storage space to maintain the index data structure. Indexes are used to quickly locate data without having to search every row in a database table every time said table is accessed.
PHP generally follows C syntax, with exceptions and enhancements for its main use in web development, which makes heavy use of string manipulation. PHP variables must be prefixed by " $ ". This allows PHP to perform string interpolation in double quoted strings, where backslash is supported as an escape character.
FoxPro. FoxPro is a text-based procedurally oriented programming language and database management system (DBMS), and it is also an object-oriented programming language, originally published by Fox Software and later by Microsoft, for MS-DOS, Windows, Macintosh, and UNIX. The final published release of FoxPro was 2.6.
Oracle Forms. Oracle Forms is a software product for creating screens that interact with an Oracle database. It has an IDE that includes an object navigator, property sheet, and code editor that uses PL/SQL. It was originally developed to run server-side in character-mode terminal sessions. It was ported to other platforms, including Windows ...
Authentication, authorization, and accounting. Authentication, authorization, and accounting (AAA) is a framework used to control and track access within a computer network. Authentication is concerned with proving identity, authorization with granting permissions, accounting with maintaining a continuous and robust audit trail via logging.