MCQ Questions on MySQL - IN and BETWEEN Operators

MCQ Questions on MySQL - IN and BETWEEN Operators

Question 1:

What is the purpose of the IN operator in MySQL?

a) It is used to check if a value exists within a set of values.

b) It is used to compare two values.

c) It is used to perform mathematical calculations.

d) It is used to sort the data in ascending order.

Answer: a) It is used to check if a value exists within a set of values.

Explanation: The IN operator is used to specify multiple values in a WHERE clause. It checks if a value matches any of the values in the set and returns true if a match is found.

Question 2:

Which of the following is the correct syntax for using the IN operator in a SELECT statement?

a) SELECT column_name FROM table_name WHERE column_name IN (value1, value2);

b) SELECT column_name FROM table_name WHERE column_name IN [value1, value2];

c) SELECT column_name FROM table_name WHERE column_name IN {value1, value2};

d) SELECT column_name FROM table_name WHERE column_name IN "value1, value2";

Answer: a) SELECT column_name FROM table_name WHERE column_name IN (value1, value2);

Explanation: The correct syntax for using the IN operator is to enclose the values in parentheses and separate them with commas.

Question 3:

What is the purpose of the BETWEEN operator in MySQL?

a) It is used to check if a value is equal to another value.

b) It is used to check if a value is not equal to another value.

c) It is used to check if a value is within a range of values.

d) It is used to check if a value is greater than another value.

Answer: c) It is used to check if a value is within a range of values.

Explanation: The BETWEEN operator is used to select values within a specified range. It includes the start and end values in the result set.

Question 4:

Which of the following is the correct syntax for using the BETWEEN operator in a SELECT statement?

a) SELECT column_name FROM table_name WHERE column_name BETWEEN value1 AND value2;

b) SELECT column_name FROM table_name WHERE column_name BETWEEN [value1, value2];

c) SELECT column_name FROM table_name WHERE column_name BETWEEN {value1, value2};

d) SELECT column_name FROM table_name WHERE column_name BETWEEN "value1" AND "value2";

Answer: a) SELECT column_name FROM table_name WHERE column_name BETWEEN value1 AND value2;

Explanation: The correct syntax for using the BETWEEN operator is to specify the start and end values after the BETWEEN keyword, separated by the AND keyword.

Question 5:

Which of the following statements is true about the IN operator?

a) It can only be used with numeric values.

b) It can only be used with string values.

c) It can be used with both numeric and string values.

d) It cannot be used in a WHERE clause.

Answer: c) It can be used with both numeric and string values.

Explanation: The IN operator can be used with both numeric and string values. It checks if a value matches any of the values in the set, regardless of the data type.

These are just a few examples of MCQ questions on the MySQL IN and BETWEEN operators. These operators are useful for filtering data based on specific conditions and ranges. Understanding how to use them correctly is essential for efficient querying in MySQL.