Rabu, 06 Juni 2012

Introduction to Information Systems


Description


Databases are at the heart of modern commercial application development. Their use extends beyond this to many applications and environments where large amounts of data must be stored for efficient  update and retrieval. The purpose of this course is to provide an introduction to the design and  use of database systems, as well as an appreciation of the key issues in building such systems in heterogeneous and Web environments.

begin by covering the relational model and the SQL language. then study methods for database design, covering the entity relationship model. Next, we discuss XML as a data model, and present languages for querying it.  see how XML is used for sharing data among different applications in a distributed environment. Finally, we touch on some advanced topics on the implementation of database systems, such as transactions and indexing.

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