nerdexam
CompTIA

DA0-001 · Question #343

An analyst needs to determine the appropriate data type for the following sample data: Sample data collected: 5.99 Which of the following data types should be used for this data?

The correct answer is B. Float. The sample data "5.99" is a decimal number, which specifically requires the Float data type to accurately store values with fractional components in most programming languages and database systems.

Data Concepts and Environments

Question

An analyst needs to determine the appropriate data type for the following sample data:

Sample data collected: 5.99 Which of the following data types should be used for this data?

Options

  • AText
  • BFloat
  • CAlphanumeric
  • DNumeric

How the community answered

(27 responses)
  • A
    7% (2)
  • B
    89% (24)
  • C
    4% (1)

Why each option

The sample data "5.99" is a decimal number, which specifically requires the Float data type to accurately store values with fractional components in most programming languages and database systems.

AText

Text (or String) is used for sequences of characters and would treat "5.99" as text, preventing mathematical operations.

BFloatCorrect

The sample data "5.99" contains a decimal point, indicating a fractional number. The Float data type (or floating-point number) is designed to store such non-integer numerical values with precision.

CAlphanumeric

Alphanumeric is a broad category encompassing both alphabetic and numeric characters, typically stored as text, which is inappropriate for numerical calculations.

DNumeric

Numeric is a general category for numbers; Float is a more specific and appropriate type for decimal numbers compared to just Numeric which could also imply integer types.

Concept tested: Data types, floating-point numbers

Source: https://learn.microsoft.com/en-us/sql/t-sql/data-types/float-and-real-transact-sql

Topics

#Data types#Floating-point numbers#Data representation

Community Discussion

No community discussion yet for this question.

Full DA0-001 Practice