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Technical Assessment_Delta IND

Quiz by Human Resource

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40 questions
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  • Q1
    Which MATLAB function is used to create a vector of equally spaced values?
    rand
    meshgrid
    reshape
    linspace
    30s
  • Q2
    What command is used to display all variables in the current workspace in MATLAB?
    show
    display
    who
    list
    30s
  • Q3
    Which of the following is the correct way to create a 2D matrix in MATLAB?
    A = {1, 2; 3, 4}
    A = (1 2; 3 4)
    A = [1 2 3 4]
    A = [1, 2; 3, 4]
    30s
  • Q4
    Which function in MATLAB is used to calculate the eigenvalues and eigenvectors of a square matrix?
    diag
    inv
    eig
    det
    30s
  • Q5
    Which command is used to compute the standard deviation of an array in MATLAB?
    mean
    max
    var
    std
    30s
  • Q6
    Which SQL clause is used to filter records?
    ORDER BY
    GROUP BY
    HAVING
    WHERE
    30s
  • Q7
    What keyword is used to delete a table in SQL?
    CLEAR
    DELETE
    DROP
    REMOVE
    30s
  • Q8
    Which SQL command is used to update existing records in a table?
    EDIT
    CHANGE
    UPDATE
    ALTER
    30s
  • Q9
    Which SQL function is used to count the number of rows in a query?
    ADD()
    COUNT()
    TOTAL()
    SUM()
    30s
  • Q10
    What is the purpose of the JOIN clause in SQL?
    To create a new table from existing tables
    To combine rows from two or more tables based on a related column
    To filter rows from a single table
    To sort results in a specific order
    30s
  • Q11
    Which SQL keyword is used to create a new table in a database?
    MAKE
    ADD
    INITIATE
    CREATE
    30s
  • Q12
    What command is used to retrieve data from a database in SQL?
    GET
    FIND
    DISPLAY
    SELECT
    30s
  • Q13
    What SQL keyword is used to define a primary key in a table?
    FOREIGN KEY
    INDEX
    UNIQUE
    PRIMARY KEY
    30s
  • Q14
    Which clause is used to sort the result-set in SQL?
    SORT BY
    ORDER BY
    FILTER BY
    ARRANGE BY
    30s
  • Q15
    What is the purpose of the GROUP BY clause in SQL?
    To limit the number of rows returned
    To arrange identical data into groups
    To order the results of a query
    To filter data based on conditions
    30s

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