Which of these is not an exact numeric type?

Solution (By Examveda Team)

This question is about data types in MySQL, specifically focusing on numeric data types. Numeric data types are used to store numbers in your database.
Let's break down the options:
* SMALLINT: This is a whole number type that stores integers (numbers without decimal points).
* DECIMAL: This is a decimal number type. It allows you to store numbers with a fixed number of decimal places.
* NUMERIC: This is similar to DECIMAL, it allows you to store numbers with a fixed number of decimal places.
* REAL: This is a floating-point number type. It can store numbers with a variable number of decimal places.
The key to answering this question is to understand the difference between exact numeric and approximate numeric types.
Exact numeric types store numbers precisely, without any loss of data.
Approximate numeric types store numbers with a certain level of precision, which can lead to rounding errors.
REAL is an approximate numeric type because it uses a floating-point representation, which can introduce rounding errors.
So the answer is (D) REAL.