Tuesday, February 14, 2012

Database Managemant Systems

This week's required reading was on database management systems.  Even though our assignment was to focus on relational databases, this article was more general. It begins to talk about what a database is and how one works.  It also talked about the characteristics of a database and why they are used in different applications. It goes into how a database collects, uses, and manipulates data for the user and makes large about of data more manageable.
For my additional article I read "Is the Rational Database Doomed?" The purpose of this article is to discuss the possibility of relational databases being surpassed by a newer technology.  First it describes what a relational database it.  It is a group of entities, or tables as described in the article, that refer to each other for information through a query. The majority of the databases that are used today are relational database management systems (RDBMS) including Oracle, SQL Server, and MySQL just to name a few.  RDBMS are used so much because they are the best in simplicity, robustness, flexibility, performance, scalability, and compatibility.  All these advantages are in respect to the user but to make the databases this seamless each command could be very complex.  The problem with RDBMS comes when the number of people using the databases increase significantly the demand on the system also increases.  This may be too much for relational databases to handle.

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