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PostgreSQL MCQ

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PostgreSQL Quick Quiz

Question 1 of 10
  • How will you rank text search results?

    Answer & Explanation

    Correct Answer: With the ts_rank function

    Note: This Question is unanswered, help us to find answer for this one

  • The most common method to get data into a table is to use what command?

    Answer & Explanation

    Correct Answer: Insert

    Note: This Question is unanswered, help us to find answer for this one

  • Which of the following is correct with regard to Password Authentication?

    Answer & Explanation

    Correct Answer: Only superusers have access to the system password storing table

    Note: This Question is unanswered, help us to find answer for this one

  • What is the correct order of clauses in the select statement?

    1        select

    2        order by

    3        where

    4        having

    5        group by


    Answer & Explanation

    Correct Answer:

    1,3,5,4,2 

    Note: This Question is unanswered, help us to find answer for this one

  • Which of the following is NOT a feature of user defined functions?

    Answer & Explanation

    Correct Answer: They can initiate subtransactions

    Note: This Question is unanswered, help us to find answer for this one

  • Which of the following is correct regarding VACUUM?

    Answer & Explanation

    Correct Answer: A VACUUM statement without arguments will clean up each table in the presently connected database

    Note: This Question is unanswered, help us to find answer for this one

  • You have defined a function "Calculate()" in the template1 database. What will happen when you create a new database "ManagementDB" there?

    Answer & Explanation

    Correct Answer: The function will be cloned to the new database

    Note: This Question is unanswered, help us to find answer for this one

  • Which of the following geometric types is not defined in PostgreSQL?

    Answer & Explanation

    Correct Answer: hexagon

    Note: This Question is unanswered, help us to find answer for this one

  • True or False? PostgreSQL is so lightweight that performance and reliability are not affected by hardware.

    Answer & Explanation

    Correct Answer: False

    Note: This Question is unanswered, help us to find answer for this one

  • Premium Corp. uses alphanumeric characters for EmployeeID which contains 7 digits prefixed with 3 characters. The 3 characters describe the department code. You need to show the department code and the Employee number separately, where department code should be in capital letters. Which function(s) will you have to use for this?

    Answer & Explanation

    Correct Answer: UPPER()

    Note: This Question is unanswered, help us to find answer for this one

  • PostgreSQL Quick Quiz

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