Advanced SQL Data Types in MySQL
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Questions and Answers

Which data type in MySQL is used to store small integer values?

  • DATETIME
  • TINYINT (correct)
  • VARCHAR
  • FLOAT

    • What MySQL data type is suitable for storing a date value in YYYY-MM-DD format?

  • ENUM
  • TIME
  • DATE (correct)
  • CHAR

    • Which data type should be used in MySQL for storing a medium-sized text string?

  • TIMESTAMP
  • TINYTEXT (correct)
  • DOUBLE
  • YEAR

    • In MySQL, which data type would be appropriate for a large integer value?

    <p>BIGINT</p> Signup and view all the answers

    What is the correct MySQL data type for a double-precision floating-point number?

    <p>DOUBLE</p> Signup and view all the answers

    Which data type in MySQL allows a string object to have only one value chosen from a list of predefined values?

    <p>ENUM</p> Signup and view all the answers

    What does the SQL keyword 'ALTER TABLE' do?

    <p>Adds a new column to a table</p> Signup and view all the answers

    When is the 'CASE' SQL keyword used?

    <p>To create different outputs based on conditions</p> Signup and view all the answers

    What is the purpose of the SQL keyword 'GROUP BY'?

    <p>Groups the result set based on specified columns</p> Signup and view all the answers

    Which constraint provides a default value for a column in SQL?

    <p>DEFAULT</p> Signup and view all the answers

    What does the SQL keyword 'EXISTS' test for?

    <p>Existence of any record in a subquery</p> Signup and view all the answers

    'CREATE VIEW' in SQL is used for what purpose?

    <p>Creating a view based on the result set of a SELECT statement</p> Signup and view all the answers

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