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    the database management system can be considered as the collection of ______ that enables us to create and maintain the database.

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    DBMS MCQ (Multiple Choice Questions and Answers)

    You can practice these DBMS MCQs here and if you want a pdf of DBMS MCQ (Multiple Choice Questions and Answers), we will provide a downloading link here soon

    DBMS MCQ (Multiple Choice Questions and Answers)

    Home » MCQs for Interviews » DBMS MCQ (Multiple Choice Questions and Answers)

    DBMS MCQ (Multiple Choice Questions and Answers)

    Post author: Sid Roy Post published: May 30, 2021 Post category: MCQs for Interviews

    The following quiz “DBMS MCQ (Multiple Choice Questions and Answers)” provides Multiple Choice Questions (MCQs) related to DBMS (Database Management System). These DBMS MCQs are also Interviews (campus interview, walk-in interview, company interview), Placement or recruitment, entrance examinations, and competitive examinations oriented. You can practice the below questions to improve your DBMS (Database Management System) skills. You can click on the View Answer button to check the answer if you needed. Let’s solve this DBMS MCQ (Multiple Choice Questions and Answers) Quiz. Database Management System (DBMS) is the software that is used to manage the database. For example, Oracle, MySQL, etc.

    You can practice these DBMS MCQs here and if you want a pdf of DBMS MCQ (Multiple Choice Questions and Answers), we will provide a downloading link here soon so please keep visiting here for further modifications.

    01. DBMS is a collection of ______ that enables users to create and maintain a database.

    Keys Translators Program Language Activity

    02. Which of the following is generally used for performing tasks like creating the structure of the relations, deleting the relation?

    DDL(Data Definition Language)

    Relational Schema Query

    DML(Data Manipulation Language)

    03.  A relational database consists of a collection of

    Tables Fields Records Keys

    04. In the relational model, cardinality is termed as:

    A number of attributes

    A number of tables

    A number of constraints

    A number of tuples

    05. What are the different view to present a Table?

    Datasheet View Pivote TableView Design View All Of Above

    06. Relational algebra is

    Data definition language

    Meta language

    Procedural query language

    None Of Above

    07. A collection of interrelated records is called a

    Database Spreadsheet

    Management information system

    Text file

    08. Data about data is normally termed as:

    Directory Data bank Meta data None of the above

    09. Related fields in a database are grouped to form a

    Data file Data record Menu Bank

    10. What do you mean by one to many relationships?

    One class may have many teachers

    One teacher can have many classes

    Many classes may have many teachers

    Many teachers may have many classes

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    Question 1. A database management system (DBMS) is a collection of programs that: a. Store data. b. Manage data. c. Use collections of data. d. All of the above. Question 2. You should use Access over

    Answer to: Question 1. A database management system (DBMS) is a collection of programs that: a. Store data. b. Manage data. c. Use collections of...

    Database

    Question 1. A database management system (DBMS) is a collection of programs that: a. Store data....

    Question 1. A database management system (DBMS) is a collection of programs that: a. Store data.... Question:

    Question 1. A database management system (DBMS) is a collection of programs that:

    a. Store data. b. Manage data.

    c. Use collections of data.

    d. All of the above.

    Question 2. You should use Access over Excel when:

    a. You have a large amount of data.

    b. You need to create complex charts.

    c. You have only one worksheet to handle all of your data.

    d. You have extensive subtotals and totals in your worksheet.

    Question 3. A filter is best described as:

    a. A subset of records from an object based on specified criteria.

    b. A sorted list of records in an object.

    c. A record list from a table.

    d. Another name for a query.

    Question 4. When building a database, you should first:

    a. Create and input the design of the tables and reports at the same time.

    b. Determine the input and then design the tables.

    c. Determine the output and then design the tables.

    d. Input the data and then design the reports.

    Question 5. Excel should be used instead of Access when:

    a. You have a small amount of data.

    b. Your data needs to be regrouped in various views.

    c. Your data needs connectivity to external databases.

    d. Your data requires a relational database.

    Database Management Systems:

    Database management systems (DBMS) provide a solution for storing large amounts of data in an organized (relational) way. SQL provides retrieval and updating of records (management) in the underlying tables.

    Answer and Explanation:

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    Question 1. A database management system (DBMS) is a collection of programs that: d. All of the above.

    DBMS store data in relational tables...

    See full answer below.

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    Learn more about this topic:

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    स्रोत : homework.study.com

    Database Management System (DBMS)

    A database management system (DBMS) is software to create and manage databases, allowing users to create, read, update and delete data in a database.

    Tech Accelerator

    What is data management and why is it important?

    Home Database Management Data center management database management system (DBMS)

    DEFINITION

    database management system (DBMS)

    Craig S. Mullins, Mullins Consulting

    A database management system (DBMS) is system software for creating and managing databases. A DBMS makes it possible for end users to create, protect, read, update and delete data in a database. The most prevalent type of data management platform, the DBMS essentially serves as an interface between databases and users or application programs, ensuring that data is consistently organized and remains easily accessible.

    What does a DBMS do?

    The DBMS manages the data; the database engine allows data to be accessed, locked and modified; and the database schema defines the database's logical structure. These three foundational elements help provide concurrency, security, data integrity and uniform data administration procedures. The DBMS supports many typical database administration tasks, including change management, performance monitoring and tuning, security, and backup and recovery. Most database management systems are also responsible for automated rollbacks and restarts as well as logging and auditing of activity in databases and the applications that access them.

    The DBMS provides a centralized view of data that can be accessed by multiple users from multiple locations in a controlled manner. A DBMS can limit what data end users see and how they view the data, providing many views of a single database schema. End users and software programs are free from having to understand where the data is physically located or on what type of storage medium it resides because the DBMS handles all requests.

    The DBMS can offer both logical and physical data independence to protect users and applications from having to know where data is stored or from being concerned about changes to the physical structure of data. So long as programs use the application programming interface (API) for the database that the DBMS provides, developers won't have to modify programs just because changes have been made to the database.

    THIS ARTICLE IS PART OF

    What is data management and why is it important?

    Which also includes:

    Top database cloud migration considerations for enterprises

    Evaluating data warehouse platform options and your need for one

    Why organizations need a solid data governance strategy

    In a relational database management system (RDBMS) -- the most widely used type of DBMS -- the API is SQL, a standard programming language for defining, protecting and accessing data.

    What are the components of a DBMS?

    A DBMS is a sophisticated piece of system software consisting of multiple integrated components that deliver a consistent, managed environment for creating, accessing and modifying data in databases. These components include the following:

    Structure of database management system

    Storage engine. This basic element of a DBMS is used to store data. The DBMS must interface with a file system at the operating system (OS) level to store data. It can use additional components to store data or interface with the actual data at the file system level.Metadata catalog. Sometimes called a system catalog or database dictionary, a metadata catalog functions as a repository for all the database objects that have been created. When databases and other objects are created, the DBMS automatically registers information about them in the metadata catalog. The DBMS uses this catalog to verify user requests for data, and users can query the catalog for information about the database structures that exist in the DBMS. The metadata catalog can include information about database objects, schemas, programs, security, performance, communication and other environmental details about the databases it manages.Database access language. The DBMS also must provide an API to access the data, typically in the form of a database access language to access and modify data but may also be used to create database objects and secure and authorize access to the data. SQL is an example of a database access language and encompasses several sets of commands, including Data Control Language for authorizing data access, Data Definition Language for defining database structures and Data Manipulation Language for reading and modifying data.Optimization engine. A DBMS may also provide an optimization engine, which is used to parse database access language requests and turn them into actionable commands for accessing and modifying data.Query processor. After a query is optimized, the DBMS must provide a means for running the query and returning the results.Lock manager. This crucial component of the DBMS manages concurrent access to the same data. Locks are required to ensure multiple users aren't trying to modify the same data simultaneously.Log manager. The DBMS records all changes made to data managed by the DBMS. The record of changes is known as the log, and the log manager component of the DBMS is used to ensure that log records are made efficiently and accurately. The DBMS uses the log manager during shutdown and startup to ensure data integrity, and it interfaces with database utilities to create backups and run recoveries.

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