SQL Server Numeric Data Types – Beginner Level Quiz

SQL Server Numeric Data Types (Beginner Level)

This quiz tests your knowledge of SQL Server's numeric data types. You'll encounter questions covering the differences between integer types, floating-point types, and other basic numeric data types used in SQL Server.

1 / 20

Which numeric data type would you use if you need to store very large numbers with decimal precision?

DECIMAL

INT

SMALLINT

TINYINT

2 / 20

The DECIMAL data type requires you to specify both precision and scale when defining a column in SQL Server.

True

False

3 / 20

You can store negative numbers in the SMALLINT data type in SQL Server.

True

False

4 / 20

What is the range of values for the REAL data type in SQL Server?

-32,768 to 32,767

-3.40E+38 to 3.40E+38

-1.79E+308 to 1.79E+308

-3.40E+38 to 3.40E+38 (with less precision than FLOAT)

5 / 20

The BIGINT data type can store a larger range of numbers than the INT data type in SQL Server.

True

False

6 / 20

The MONEY data type is more precise than the DECIMAL data type for financial calculations.

True

False

7 / 20

The TINYINT data type can store both positive and negative numbers.

True

False

8 / 20

What is the difference between SQL Data type and SQL Server data type?

9 / 20

What is the default storage size for the REAL data type?

1 byte

4 bytes

8 bytes

16 bytes

10 / 20

What is the precision of the MONEY data type in SQL Server?

10 decimal places

4 decimal places

2 decimal places

No decimal places

11 / 20

Which of the following data types would be most appropriate for storing precise financial transactions?

FLOAT

MONEY

DECIMAL

BIGINT

12 / 20

Which data type would you use to store a small integer value ranging from 0 to 255 in SQL Server?

INT

SMALLINT

TINYINT

BIGINT

13 / 20

What is the difference between FLOAT and REAL data types?

FLOAT is for integers, REAL is for floating-point numbers

REAL uses less storage than FLOAT

REAL can store larger values than FLOAT

There is no difference

14 / 20

Which data type would be most suitable for financial data, such as currency, to avoid rounding errors?

FLOAT

MONEY

BIGINT

DECIMAL

15 / 20

The TINYINT data type is suitable for storing which of the following values?

-1

255

32768

9,223,372,036

16 / 20

The INT data type takes 2 bytes of storage in SQL Server.

True

False

17 / 20

How much storage does the TINYINT data type require?

1 byte

2 bytes

4 bytes

8 bytes

18 / 20

Which SQL Server data type would you choose for an ID column that increments automatically and must store large numbers?

INT

BIGINT

TINYINT

DECIMAL

19 / 20

What is the default precision and scale for the DECIMAL data type if not specified?

Precision 10, Scale 0

Precision 18, Scale 2

Precision 38, Scale 0

Precision 10, Scale 2

20 / 20

The BIGINT data type is used to store very large integers. What is the maximum value it can hold?

9,223,372,036,854,775,807

2,147,483,647

65,535

1,000,000,000

Your score is

The average score is 42%

SQL Server offers a variety of numerical data. These types range from integers to floating-point numbers, each serving different purposes based on storage size and precision. Understanding the correct usage of these data types helps optimize database performance and ensure accurate data storage.