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Author Question: Identify four sources of data errors. What will be an ideal ... (Read 20 times)

colton

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on: Jul 7, 2018
Identify four sources of data errors.
 
  What will be an ideal response?

Question 2

A concrete class is a class that has no direct instances, but whose descendants may have direct instances.
 
  Indicate whether the statement is true or false


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leannegxo

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Reply #1 on: Jul 7, 2018
Answer to Question 1

Sources of data errors include appending, truncating, transcripting, and transposing. Appending is the addition of extra characters to a field. Losing characters from a field is called truncating. Transcripting is defined as entering invalid data into a field. Transposing involves reversing the sequence of one or more characters in a field.
CL

Answer to Question 2

FALSE
Explanation: An abstract class is a class that has no direct instances but whose descendants may have direct instances.
CL


colton

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Reply 2 on: Jul 7, 2018
Wow, this really help

samiel-sayed

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Reply 3 on: Yesterday
Gracias!

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