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

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

True

False

2 / 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

3 / 20

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

32,767

65,535

16,383

128,000

4 / 20

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

FLOAT

MONEY

DECIMAL

INT

5 / 20

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

DECIMAL

FLOAT

INT

TINYINT

6 / 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)

7 / 20

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

DECIMAL

INT

SMALLINT

TINYINT

8 / 20

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

FLOAT

MONEY

DECIMAL

BIGINT

9 / 20

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

-1

255

32768

9,223,372,036

10 / 20

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

True

False

11 / 20

The NUMERIC data type is identical to DECIMAL in terms of precision and scale.

True

False

12 / 20

Which of the following data types allows you to store numbers with floating-point precision?

BIGINT

FLOAT

SMALLINT

BIT

13 / 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

14 / 20

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

True

False

15 / 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

16 / 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

17 / 20

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

True

False

18 / 20

Which SQL Server numeric data type is ideal for storing whole numbers that require larger ranges up to approximately 2 billion?

BIGINT

SMALLINT

INT

DECIMAL

19 / 20

What is the size (in bytes) of an INT data type in SQL Server?

1 byte

2 bytes

4 bytes

8 bytes

20 / 20

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

FLOAT

MONEY

BIGINT

DECIMAL

Your score is

The average score is 0%

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.