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Bhanu Priya has Published 1449 Articles

Bhanu Priya
36K+ Views
A virtual machine (VM) is a virtual environment which functions as a virtual computer system with its own CPU, memory, network interface, and storage, created on a physical hardware system.VMs are isolated from the rest of the system, and multiple VMs can exist on a single piece of hardware, like ... Read More

Bhanu Priya
41K+ Views
The Database Management System (DBMS) is defined as a software system that allows the user to define, create and maintain the database and provide control access to the data.It is a collection of programs used for managing data and simultaneously it supports different types of users to create, manage, retrieve, ... Read More

Bhanu Priya
66K+ Views
Using strrev() functionThe function is used for reversing a string.The reversed string will be stored in the same string.Syntaxstrrev (string)Before working on reversing the string without using function, let’s have a look on how to reverse a string using string function strrev(), so that we can easily find the difference ... Read More

Bhanu Priya
42K+ Views
Data control language (DCL) is used to access the stored data. It is mainly used for revoke and to grant the user the required access to a database. In the database, this language does not have the feature of rollback.It is a part of the structured query language (SQL).It helps ... Read More

Bhanu Priya
8K+ Views
The Data Link layer is located between physical and network layers. It provides services to the Network layer and it receives services from the physical layer. The scope of the data link layer is node-to-node.The following are the design issues in the Data Link Layer −The services that are provided ... Read More

Bhanu Priya
35K+ Views
Multiprogramming OS is an ability of an operating system that executes more than one program using a single processor machine.More than one task or program or jobs are present inside the main memory at one point of time.Buffering and spooling can overlap I/O and CPU tasks to improve the system ... Read More

Bhanu Priya
72K+ Views
Query is a question or requesting information. Query language is a language which is used to retrieve information from a database.Query language is divided into two types −Procedural languageNon-procedural languageProcedural languageInformation is retrieved from the database by specifying the sequence of operations to be performed.For Example: Relational algebra.Structure Query language ... Read More

Bhanu Priya
45K+ Views
The Database Management System (DBMS) is defined as a software system that allows the user to define, create and maintain the database and provide control access to the data.It is a collection of programs used for managing data and simultaneously it supports different types of users to create, manage, retrieve, ... Read More

Bhanu Priya
56K+ Views
The structured query language (SQL) commands deal with the manipulation of data present in the database that belongs to the DML or Data Manipulation Language. This includes most of the SQL statements.Examples of DMLThe examples of DML in the Database Management System (DBMS) are as follows −SELECT − Retrieve data ... Read More