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Analysis Of Database Management And Information Retrieval Systems

1458 words - 6 pages

Table of Contents

1. DIFFERENTIATE BETWEEN DATABASE MANAGEMENT SYSTEM AND INFORMATION RETRIEVAL SYSTEM BY FOCUSING ON THEIR FUNCTIONALITIES
2. HIGHLIGHT THE DIFFERENCES BETWEEN DATA AND INFORMATION
3. MAKE APPROPRIATE USE OF DIAGRAMS TO ILLUSTRATE THE UNDERLYING CONCEPTS/COMPONENTS OF DATABASE MANAGEMENT SYSTEM AND INFORMATION RETRIEVAL
4. DIFFERENTIATE BETWEEN STRUCTURED AND NON STRUCTURED DATA. GIVE EXAMPLES FOR EACH.
5. REFERENCES
6. APPENDICES


1. DIFFERENTIATE BETWEEN DATABASE MANAGEMENT SYSTEM AND INFORMATION RETRIEVAL SYSTEM BY FOCUSING ON THEIR FUNCTIONALITIES

The computer programs within software parcel which in a database, it controlling the administration; storing and recover back the data (fields, records and files), controlling database’s security (prevent unauthorized user from viewing and updating the database) and integrity (by not allowing the same record being updated by more than one user at the same time) which defined Database Management System (DBMS), at times also called as database manager. With the DBMS, it allows the request for same data from the different user application programs in the same time and then transfers the data by instructing the operating system. While the DBMS is being used, the information systems can easily be changed because the information requirements of organisation change without disturbing the existing system.
While as for Information Retrieval System (IRS), is a system that has ability for storage, recover back the data and the protection of the data or information. It designed to allowing the user to interact with service or information system for finding the relevant data or information includes text, audio, graphical images or some video which meets their requirements. The IRS (Information Retrieval System) is different from usual DBMS (Database Management System) because it deals with unstructured data. The main objectives of IRS is to minimize the time that user spend all way that lead to reading the item that content the information that user needed like generate query, execution of the query, scanning query result to choose the selected item for reading, reading irrelevant items).

The difference of function between DBMS and IRS is shown at table below:-

DATABASE MANAGEMENT SYSTEM (DBMS) INFORMATION RETRIEVAL SYSTEM (IRS)
Data Security With this function, the DBMS able to secure the user security and data privacy within the database by determine the user access right – prevent unauthorized user from access and update the database, for example, by using password, only the authorized user allowed to access the database or update the database. > A range of entities that stored within the database are attach with access control list which usually specify the group of user that can access and update the entities.
> An appropriate security control needed so that when user access and sharing the database with the data at different sensitivity level without violating the...

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