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

True

False

2 / 20

The REAL data type uses less storage space than the FLOAT data type.

True

False

3 / 20

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

True

False

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

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

1 byte

2 bytes

4 bytes

8 bytes

6 / 20

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

BIT

TINYINT

SMALLINT

DECIMAL

7 / 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

8 / 20

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

FLOAT

MONEY

DECIMAL

BIGINT

9 / 20

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

FLOAT

MONEY

BIGINT

DECIMAL

10 / 20

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

True

False

11 / 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

12 / 20

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

13 / 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

14 / 20

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

True

False

15 / 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

16 / 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)

17 / 20

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

True

False

18 / 20

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

True

False

19 / 20

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

DECIMAL

INT

SMALLINT

TINYINT

20 / 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

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.