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-Database-Management-System-10CS54-VTU-unit-1-->View question


Asked On2017-05-17 20:25:08 by:pallaviaithaln

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The Data base management system (DBMS) helps to produce quick answers to database queries thus making data accessing faster and more accurate. For example, to read or update the data.

Answerd on:2021-12-23 Answerd By:Muskan-Kumari

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Data base management system helps us in storing the data in an organised and a easily accessible manner. data base management systems are of two type SQL and NoSQL. the type of data base management system that is the most in use is MySQL. SQL dbms uses tables while nosql type uses object type json storing and representation of the data.
Answerd on:2019-05-23 Answerd By:vivekEdu

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  1. Minimize Data Redundancy

In File Processing System, duplicate data is created in many places because all the programs have their own files. This creates data redundancy which in turns wastes labor and space. In Database Management System, all the files are integrated in a single database. The whole data is stored only once at a single place so there is no chance of duplicate data.

For example: A student record in library or examination can contain duplicate values, but when they are converted into a single database, all the duplicate values are removed.

Complete redundancy can be removed because somehow we needs duplicate value to relate tables with each other. But still DBMS controls data redundancy that saves lots of labor and time.

Also See: 25 Examples of Popular Database Management Systems

  1. Sharing Of Data

In DBMS, Data can be shared in between authorized user of database. All the users have their own right to access the database up to a level. Database Administration has complete access of database. He can assign users to access the database. Others users are also authorized to access database and also they can share data between them. Many users have same authority to access the database.

  1. Data Consistency

DBMS controls data redundancy which in turn controls data consistency. Data consistency means if you want to update data in any files then all the files should not be updated again. As in DBMS, data is stored in a single database so data becomes more consistent in comparison to file processing system. Also updated values are available to all the users immediately.

  1. Data Integrity

Data integrity means unification of so many files into a single file. In DBMS data is stored in different tables. A database contains different tables that are linked to each other. Many users feed entries in these tables so it is important to maintain data items and association between data items. DBMS allows data integrity that makes it easy to decrease data duplicity Data integration reduces redundancy as well as data inconsistency.

Also Read: Characteristics of Database Approach

  1. Search Capability

Users of database may require to fetch data from the database. There are numerous queries users may ask about the data. Search speed of the database must be fast to produce quick results. If users execute any query then it is required that he get fastest results from the database. It is an objective of database to maintain flexible search capability.

  1. Security

Data security means protecting your precious data from unauthorized access. Data in database should be kept secure and safe to unauthorized modifications. Only authorized users should have the grant to access the database. There is a username set for all the users who access the database with password so that no other guy can access these information. DBMS always keep database tamperproof, secure and theft free.


Answerd on:2019-06-18 Answerd By:avi738

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¬dvantage of Using DBMS:

  • Sharing of Data

  • Data Consistency 

  • Integration of Data

  • Integration Constraints

  • Data Security

  • Report Writers

  • Control Over Concurrency 

  • Backup and Recovery Procedures 

  • Data Independence 


Answerd on:2015-04-13 Answerd By:debikadebnath

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