Author Question: Encapsulation is the technique of hiding the internal implementation details of an object from its ... (Read 82 times)

jenna1

  • Hero Member
  • *****
  • Posts: 568
Encapsulation is the technique of hiding the internal implementation details of an object from its external view.
 
  Indicate whether the statement is true or false

Question 2

What are the characteristics of data after ETL?
 
  What will be an ideal response?


taylorsonier

  • Sr. Member
  • ****
  • Posts: 377
Answer to Question 1

TRUE

Answer to Question 2

The goal of ETL is to provide a single, authoritative source for data that support decision making. Ideally, the data layer will have the following characteristics:
1. Detailed, providing maximum flexibility
2. Historical
3. Normalizedfully normalized to third normal form
4. Comprehensive
5. Timely
6. Quality controlled



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.

Did you know?

The largest baby ever born weighed more than 23 pounds but died just 11 hours after his birth in 1879. The largest surviving baby was born in October 2009 in Sumatra, Indonesia, and weighed an astounding 19.2 pounds at birth.

Did you know?

Medications that are definitely not safe to take when breastfeeding include radioactive drugs, antimetabolites, some cancer (chemotherapy) agents, bromocriptine, ergotamine, methotrexate, and cyclosporine.

Did you know?

The Centers for Disease Control and Prevention has released reports detailing the deaths of infants (younger than 1 year of age) who died after being given cold and cough medications. This underscores the importance of educating parents that children younger than 2 years of age should never be given over-the-counter cold and cough medications without consulting their physicians.

Did you know?

Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.

For a complete list of videos, visit our video library