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SQL MCQ

For the benefit of people who are studying and getting ready for examinations, Quizack provides the greatest SQL MCQ questions for free. Users may explore the possibilities of SQL and deepen their comprehension of it using Quizack. This quiz has several questions, each with four answers. Users must choose the right response from the available possibilities.

The objective of the quiz is to gauge users' familiarity with SQL and their aptitude for using it in practical situations. Users may review their responses after finishing the quiz to see how well they did.

SQL Quick Quiz

Question 1 of 10

  • Which does not describe a database element?

    Answer & Explanation

    Correct Answer: organic list

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

  • What is the name for a query embedded inside another query?

    Answer & Explanation

    Correct Answer: subquery

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

  • What is the first query to run in a statement that contains subqueries?

    Answer & Explanation

    Correct Answer: innermost

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

  • Insert into is an example of ________ code.

    Answer & Explanation

    Correct Answer: DML

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

  • In oracle, the ____ table contains information about the columns within tables.

    Answer & Explanation

    Correct Answer: DBA_TAB_COLUMNS

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

  • UNION ALL is different from a UNION command in that...

    Answer & Explanation

    Correct Answer: UNION ALL will not eliminate duplicate rows

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

  • Which of the following is not true about the COMMIT command?

    Answer & Explanation

    Correct Answer: A COMMIT will end all the transactions that were initiated before it.

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

  • What keyword is used in conjunction with the INNER JOIN keywords to return rows when there is at least one match in both tables?

    Answer & Explanation

    Correct Answer: ON

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

  • All join conditions are connected through a(n) _____ logical operator.

    Answer & Explanation

    Correct Answer: AND

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

  • Commands used to modify data are called ____ commands.

    Answer & Explanation

    Correct Answer: DML

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

  • SQL Quick Quiz
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