SQL Cursors

SQL Cursors SQL cursors provide a way for your program to select multiple rows of data from the database and then to process each row individually. Cursors are PL/SQL constructs that enable you to process, one row at a time, the result of a multi row query. ORACLE uses work areas to execute SQL statements, PL/SQL allows user …

Multimedia applications

Multimedia applications Multimedia applications: We knew that many multimedia applications are already invaded the internet. In this post we confine only few applications which are based on audio and video. The technologies pertaining to these are presented in this section. We consider three board classes of multimedia applications.  Streaming stored audio/video Streaming live audio/video Real-time …

Audio and video live streaming

Audio and video live streaming Audio and video live streaming – This class of applications is similar to traditional broadcast radio and television transmission emitted from any corner or the world. Since streaming live audio/video is not stored, a client cannot fast-forward through the media. However, with local storage of received data, other interactive operations …

RDBMS

RDBMS RDBMS : The relational model has established itself as the primary data model for commercial data processing applications. A substantial theory exists for relational databases. The relational model is now being used in numerous applications outside the domain of traditional data processing like file based systems. Perhaps the simplest approach to data modeling is offered …