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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?

BIGINT (A) Signup and view all the answers

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

DOUBLE (D) 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?

ENUM (B) Signup and view all the answers

What does the SQL keyword 'ALTER TABLE' do?

Adds a new column to a table (C) Signup and view all the answers

When is the 'CASE' SQL keyword used?

To create different outputs based on conditions (C) Signup and view all the answers

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

Groups the result set based on specified columns (C) Signup and view all the answers

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

DEFAULT (C) Signup and view all the answers

What does the SQL keyword 'EXISTS' test for?

Existence of any record in a subquery (B) Signup and view all the answers

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

Creating a view based on the result set of a SELECT statement (A) Signup and view all the answers