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The Java Persistence API , sometimes referred to as JPA , is a Java programming language framework managing relational data in applications using Java Platform, Standard Edition and Java Platform, Enterprise Edition . The Java Persistence API originated as part of the work of the JSR 220 Expert Group. JPA 2.0 is the work of the JSR 317 Expert Group. Persistence in this context covers three areas: the API itself, defined in the javax.persistence package the Java Persistence Query Language (JPQL) object/relational metadata [ edit ] History
MySQL is currently the most popular open source database server in existence. On top of that, it is very commonly used in conjunction with PHP scripts to create powerful and dynamic server-side applications. MySQL has been criticized in the past for not supporting all the features of other popular and more expensive DataBase Management Systems. However, MySQL continues to improve with each release (currently version 5), and it has become widely popular with individuals and businesses of many different sizes. A database is a structure that comes in two flavors: a flat database and a relational database. A relational database is much more oriented to the human mind and is often preferred over the gabble-de-gook flat database that are just stored on hard drives like a text file.
BitNami WAPP Stack provides a complete PHP, PostgreSQL and Apache development environment for Windows that can be launched in one click. It also bundles phpPgAdmin, SQLite, Varnish, ImageMagick, ModSecurity, XDebug, Xcache, OAuth, Memcache, FastCGI, APC, GD, OpenSSL, CURL, openLDAP, PEAR, PECL and other components and the following frameworks: Zend Framework , Symfony , , CodeIgniter , CakePHP , Smarty , Laravel . Download installers .