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    which of the following can be used to extract or filter the data & information from the data warehouse?

    Mohammed

    Guys, does anyone know the answer?

    get which of the following can be used to extract or filter the data & information from the data warehouse? from screen.

    Which of the following can be used to extract or filter the data & information from the data warehouse?

    Which of the following can be used to extract or filter the data & information from the data warehouse? A Data%20redundancy B Data%20recovery%20tool C Data%20mining D Both%20B%20and%20C

    DatabaseManagementSystems

    37 followers

    25 Feb 2021 05:13 PM

    Which of the following can be used to extract or filter the data & information from the data warehouse?

    A

    Data redundancy

    B

    Data recovery tool

    C

    Data mining

    D

    Both B and C Databases Engineering B.SC/IT Like | 1 Comment Share Write a comment Related Questions

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    DBMS MCQ (Multiple Choice Questions)

    Database Management System or DBMS MCQ (Multiple Choice Questions) with DBMS Overview, DBMS vs Files System, Architecture, Three schema Architecture, Generalization, Specialization, Relational Model concept etc.

    Home DBMS SQL PL/SQL SQLite MongoDB Cassandra MySQL Oracle CouchDB Neo4j DB2 C Java Projects Interview Q

    DBMS MCQ

    This section of interview questions and answers focuses on "Database Management System". One shall practice these interview questions to improve their concepts for various interviews such as campus interviews, walk-in interviews, company interviews, placements, entrance exams and other competitive exams.

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

    DML(Data Manipulation Language)

    Query Relational Schema

    DDL(Data Definition Language)

    2) Which of the following provides the ability to query information from the database and insert tuples into, delete tuples from, and modify tuples in the database?

    DML(Data Manipulation Language)

    DDL(Data Definition Language)

    Query Relational Schema

    3) The given Query can also be replaced with_______:

    SELECT name, course_id

    FROM instructor, teaches

    WHERE instructor_ID= teaches_ID;

    Select name,course_id from teaches,instructor where instructor_id=course_id;

    Select name, course_id from instructor natural join teaches;

    Select name, course_id from instructor;

    Select course_id from instructor join teaches;

    4) Which one of the following given statements possibly contains the error?

    select * from emp where empid = 10003;

    select empid from emp where empid = 10006;

    select empid from emp;

    select empid where empid = 1009 and Lastname = 'GELLER';

    5) Ready the Query carefully:

    SELECT emp_name FROM department

    WHERE dept_name LIKE ' _____ Computer Science';

    In the above-given Query, which of the following can be placed in the Query's blank portion to select the "dept_name" that also contains Computer Science as its ending string?

    & _ % $

    6) 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

    7) In the following Query, which of the following can be placed in the Query's blank portion to display the salary from highest to lowest amount, and sorting the employs name alphabetically?

    SELECT * FROM instructor

    ORDER BY salary ____, name ___;

    Ascending, Descending

    Asc, Desc Desc, Asc All of the above

    8) The given Query can be replaced with ____________:

    SELECT name FROM instructor1

    WHERE salary <= 100000 AND salary >= 90000;

    a. SELECT name FROM instructor1

    WHERE salary BETWEEN 100000 AND 90000

    b. SELECT name FROM instructor|

    WHERE salary BETWEEN 90000 AND 100000;

    c. SELECT name FROM instructor1

    WHERE salary BETWEEN 90000 AND 100000;

    d. SELECT name FROM instructor!

    WHERE salary <= 90000 AND salary>=100000;

    9) A Database Management System is a type of _________software.

    It is a type of system software

    It is a kind of application software

    It is a kind of general software

    Both A and C

    10) The term "FAT" is stands for_____

    File Allocation Tree

    File Allocation Table

    File Allocation Graph

    All of the above

    11) Which of the following can be considered as the maximum size that is supported by FAT?

    8GB 4GB 4TB None of the above

    12) The term "NTFS" refers to which one of the following?

    New Technology File System

    New Tree File System

    New Table type File System

    Both A and C

    13) Which of the following can be considered as the maximum size that is supported by NTFS?

    4GB 16TB 64TB 8TB

    14) A huge collection of the information or data accumulated form several different sources is known as ________:

    Data Management Data Mining Data Warehouse Both B and C

    15) Which of the following can be used to extract or filter the data & information from the data warehouse?

    Data redundancy Data recovery tool Data mining Both B and C

    16) Which one of the following refers to the copies of the same data (or information) occupying the memory space at multiple places.

    Data Repository Data Inconsistency Data Mining Data Redundancy

    17) Which one of the following refers to the "data about data"?

    Directory Sub Data Warehouse Meta Data

    18) Which of the following refers to the level of data abstraction that describes exactly how the data actually stored?

    Conceptual Level Physical Level File Level Logical Level

    19) To which of the following the term "DBA" referred?

    Data Bank Administrator

    Database Administrator

    Data Administrator None of the above

    20) In general, a file is basically a collection of all related______.

    Rows & Columns Fields Database Records

    21) The term "Data" refers to:

    The electronic representation of the information( or data)

    Basic information

    Row Facts and figures

    Both A and C

    22) Rows of a relation are known as the _______.

    स्रोत : www.javatpoint.com

    [Solved] Which of the following can be used to extract or filter the data & information from the data warehouse?

    The tools used to obtain meaningful information or Data from the large collection of data (or from the Data Warehouses) are known as the Data mining tools. Through data mining, one can easily filter the useful information or data from the massive collection of the data. Therefore the correct answer is Data Mining.

    Which of the following can be used to extract or filter the data & information from the data warehouse?

    Which of the following can be used to extract or filter the data & information from the data warehouse?

    Right Answer is:

    Data mining

    SOLUTION

    The tools used to obtain meaningful information or Data from the large collection of data (or from the Data Warehouses) are known as the Data mining tools.

    Through data mining, one can easily filter the useful information or data from the massive collection of the data.

    स्रोत : www.electricalexams.co

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    Mohammed 6 day ago
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