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

FLOAT

MONEY

BIGINT

DECIMAL

2 / 20

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

DECIMAL

INT

SMALLINT

TINYINT

3 / 20

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

1 byte

4 bytes

8 bytes

16 bytes

4 / 20

What is the maximum value that can be stored in a SMALLINT data type?

32,767

65,535

16,383

128,000

5 / 20

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

True

False

6 / 20

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

True

False

7 / 20

Which data type can store a maximum of 18 digits with up to 4 decimal places in SQL Server?

FLOAT

MONEY

DECIMAL

INT

8 / 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

9 / 20

The BIT data type in SQL Server can store values other than 0 and 1.

True

False

10 / 20

Which of the following numeric data types has the highest precision for fractional values?

DECIMAL

FLOAT

INT

TINYINT

11 / 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

12 / 20

Which SQL Server data type would be most suitable for a field where only 0 or 1 is stored?

BIT

TINYINT

SMALLINT

DECIMAL

13 / 20

How much storage does the TINYINT data type require?

1 byte

2 bytes

4 bytes

8 bytes

14 / 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)

15 / 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

16 / 20

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

-1

255

32768

9,223,372,036

17 / 20

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

True

False

18 / 20

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

FLOAT

MONEY

DECIMAL

BIGINT

19 / 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

20 / 20

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

True

False

Your score is

The average score is 28%

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.