Database Management: Providing An Effective Data Storage And Retrieval System

A DBMS or a database management system can be defined as a set of computer programs

controlling the database creation of an organization, its maintenance, and its use. With the help of database manager or an administrator, organizations, however big or small, run effectively run a database which is essential and vital for business operations and success. For these organizations, a database is useful for storing and retrieving relevant information in a systematic way. Maintaining a database offers many benefits to an organization. It not only keeps a record of anything and everything which is of significance to your business but can be used effectively to increase your sales and promotions activities thereby increasing your returns.

Going into the technicalities of DBMS, it comprises four major parts which are modeling language, database query language, data structure, and transaction mechanisms. However a DBMS may be based upon one of the different database models including relational model and network model. An organization may choose one of these models depending on the nature of its data storage and management requirements. A database administrator however needs to understand the working of all these database programs.

Now lets take a look at some of the main features of a DBMS. A DBMS has the ability to respond to users queries. For example, you can request for particular information such as "How many companies provide database development services?" The database query language enables the users not only to interactively interrogate the database, but also analyze its data and update it. A DBMS also provides for replication and backup features in case of primary disks and other equipment failure. Another feature of DBMS is its security system. Often the database administrator sets certain parameters for accessing the database for security reasons. Not all people have the access right to delete or add information from and to the system. A single individual or a group of individuals may be entitled to change attributes of a database depending on its size and nature. A DBMS also offers simple computing attributes such as grouping, sorting, cross-referencing, averaging, summing, and counting.

by: Richard Rabins

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