What is dbms and what are functions of dbms, Database Management System

Assignment Help:

What is DBMS and what are functions of DBMS?

DBMS consist of collection of integrated data and set of program to admission those data.

The functions performed by a typical DBMS are the subsequent:

• Data Definition: The DBMS gives functions to define the structure of the data in the application. These involved defining and modifying the record structure, the kind and size of fields and the several constraints/conditions to be satisfied through the data in each field.

• Data Manipulation: Once the data structure is described, data required to be inserted, modified or deleted. The functions that perform these operations are also element of the DBMS. These functions can handle planned and unplanned data manipulation required. Planned queries are those that form part of the application. Unplanned queries are ad-hoc queries that are performed on a required basis.

• Data Security & Integrity: The DBMS contains functions that handle the security and integrity of data in the application. These can be therefore the DBMS provides an environment which is both convenient and efficient to use while there is a large volume of data and several transactions to be proved


Related Discussions:- What is dbms and what are functions of dbms

Information system fundamentals, A full discription of the new, a discripti...

A full discription of the new, a discription of its components, and the bebefit it will provide a company. A disscussion of the information usedin the system. A disscussion of any

E-R MODEL, WHAT IS MEANT BY E-R MODEL

WHAT IS MEANT BY E-R MODEL

What is a b+-tree index, What is a B+-Tree index? A B+-Tree index takes...

What is a B+-Tree index? A B+-Tree index takes the form of a balanced tree in which each path from the root of the root of the root of the tree to a leaf of the tree is of the

Normalization, a project based on normalization with first, second and thir...

a project based on normalization with first, second and third normalization. There need to be a diagram also

Trigger , Flights(FlightNo, DeptDateTime, Origin, ArrivalDateTime, Destinat...

Flights(FlightNo, DeptDateTime, Origin, ArrivalDateTime, Destination, Capacity, SoldSeats) Tickets(FlightNo, Seat, CustID) Where - flightNo is the PK of the flights table - DeptDa

In a relational model how relations are termed, In a relational model how r...

In a relational model how relations are termed? In a relational model, relations are termed as tables. (The term ‘relation’ is the technical name of the ‘table’ in RDBMS)

What are the categories of sql command, What are the categories of SQL comm...

What are the categories of SQL command? SQL commands are separated in to the following categories: 1. Data - Definitition Language 2. Data Manipulation language 3. Dat

Participation constraints, The participation Constraints shows whether the ...

The participation Constraints shows whether the existence of an entity depends on its being associated to another entity by the relationship type. There are two kinds of participat

Execute sql queries, Consider the relations described below: PHYSICIAN (re...

Consider the relations described below: PHYSICIAN (regno, name, telno, city) PATIENT (pname, street, city) VISIT (pname, regno, date_of_visit, fee) Where the regno and pname ide

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd