Author Question: The SQL command used to populate tables is the INSERT command. Indicate whether the statement is ... (Read 166 times)

nramada

  • Hero Member
  • *****
  • Posts: 580
The SQL command used to populate tables is the INSERT command.
 
  Indicate whether the statement is true or false

Question 2

Discuss how to model time dependent data.
 
  What will be an ideal response?


mbcrismon

  • Sr. Member
  • ****
  • Posts: 328
Answer to Question 1

TRUE

Answer to Question 2

Time dependent data can be modeled using a time stamp. This can be used to maintain a history of the changes over time. Often times, the way that relational databases deal with time dependent data is not adequate and organizations ignore the issue or use simplified methods such as time stamps.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question


 

Did you know?

Chronic necrotizing aspergillosis has a slowly progressive process that, unlike invasive aspergillosis, does not spread to other organ systems or the blood vessels. It most often affects middle-aged and elderly individuals, spreading to surrounding tissue in the lungs. The disease often does not respond to conventionally successful treatments, and requires individualized therapies in order to keep it from becoming life-threatening.

Did you know?

During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).

Did you know?

Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.

Did you know?

The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.

Did you know?

It is difficult to obtain enough calcium without consuming milk or other dairy foods.

For a complete list of videos, visit our video library