Database Management System and Retrieval Information System

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Database is a collection of programs that enables users to create and maintain data. The other meaning, database some collection the related files that are usually included, concurrent referenced to one another. Good feature of a database is that data and records contains some in different files can be easily organized and save from harm in danger when using specialized database management software called a database management system (DBMS) or database manager.
A database-management system (DBMS) is a group of organized data and a set of programs have access to some data. This is a collection of related data without any doubt meaning and thus is a database. The collection data usually referred to as the database, have something information directly connected to an enterprise. The main goal of a DBMS is to provide a way to store up and save some of database information that is both well-located and useful. From data, the user known facts that can be recorded and that have trusted the meaning. For example, consider the names, telephone numbers, and addresses of the people may we know.
There are many different types of DBMSs, a variety from small systems that run on personal computers to enormous systems that run on main frames. These are some example of database applications such as mechanized library systems, automatic banker machines, flight reservation systems, and mechanized parts inventory systems.
There are many functions a Database Management System (DBMS) serves that are key components to the operation of database management. When decide to perform a DBMS in business, first we must decide what type of DBMS we want. These are the ability to update and get back the data, Support Concurrent Updates, Recovery of Data, Security, ...

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...sorts of files may have an internal structure, they are still considered "unstructured" because the data they contain in order in a database.
Email is an example of unstructured data, because while the busy inbox of a corporate human resources manager might be arranged by date, time or size, if it were truly fully structured, it would also be arranged by exact subject and content, with no difference or spread which is not practical, because people do not generally speak about precisely one subject even in focused emails.
Conclusion is, structured data and unstructured data have the own characteristic and benefits. We as a user must know to handling the both of integration into a database. We as a user also must take attention in any probability in database storage.

Works Cited

Fundamentals of Database Systems Sixth Edition, Addison Wesley. Author by Ramez Elmasri
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