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description of PHP

PHP is a language programming designed to the web, it was created for Rasmus Lerdof in 1995 as open source. at present the main implementation is carried by PHP group. PHP can by used without anything cost for the people, this and it's simple learning helped it's accepted in the informatic world. PHP has evolved over time, going from the used of functions from created web pages dymamic, to used the POO methodology to more efficient manage it's processes. Also has a part that can be executed from the command line from any operating system. the best that php has is its community that has created an infinity of codes and classes that helped to implement easy and fast any basic need that the client has, from the creation of a report in PDF to the generation of bar charts and much more. Saving time in the development of a web application. this also allows an orderly management of the files although to be aplication big. Other of the qualities of PHP is the possibility ...

Cambiando un datafile de directorio

En ocaciones por X circunstancias debemos mover alguno o varios datafile a un nuevo disco o un nuevo directorio Esto se puede hacer en 6 simples pasos: NOTA1: para este ejemplo nuestro datafile se llamara ejemplo.dbf y pertenecera al tablespace TBSEJEMPLO NOTA2: en la medida de lo posible es mejor hacer estos movimientos dentro de una ventana de mantenimiento, para evitar cualquier inconveniente. 1. ingresar a la consola de sqlplus como usuario sysdba 2. colocar el tablespace al cual esta vinculado nuestro datafile en modo de solo lectura SQL> ALTER TABLESPACE TBSEJEMPLO READ ONLY; 2. colocar el tablespace en modo OFFLINE SQL> ALTER TABLESPACE TBSEJEMPLO OFFLINE; 3. desde el sistema operativo mover el datafile deseado a la nueva ubicacion 4. nuevamente en sqlplus alterar la ubicacion del datafile en el tablespace SQL> ALTER TABLESPACE TBSEJEMPLO RENAME DATAFILE 'rutaanterior/ejemplo.dbf' TO 'nuevaruta/ejemplo.dbf'; ...