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Monica [59]
2 years ago
14

Which of the following describes ETL? a) A process that transforms information using a common set of enterprise definitions b) A

process that loads information into a data warehouse c) A process that extracts information from internal and external databases d) All of these are correct.
Computers and Technology
1 answer:
andrezito [222]2 years ago
4 0

Answer:

The correct answer is d) All of these are correct.

Explanation:

ETL stands for Extract, Transform and Load. An ETL system extracts data from the sources, enforces data quality and consistency standards, conforms data so that separated and maybe unrelated sources can be used together, and as a final step delivers data in presentation-ready formats so that developers can build applications and end users can take decisions.

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In a relational database model, a(n) _____ operation pares down a table by eliminating columns according to certain criteria. in
nikklg [1K]

I guess the correct answer is Project

If thе usеr is intеrеstеd in sеlеcting thе valuеs οf a fеw attributеs, rathеr than sеlеctiοn all attributеs οf thе Tablе (Rеlatiοn), thеn οnе shοuld gο fοr Prοjеct Οpеratiοn.

8 0
2 years ago
An admission charge for The Little Rep Theater varies according to the age of the person. Develop a solution to print the ticket
Lina20 [59]

Answer:

age = int(input("Enter your age: "))

charge = 0

if age > 55:

   charge = 10

if 21 <= age <= 54:

   charge = 15

if 13 <= age <= 20:

   charge = 10

if 3 <= age <= 12:

   charge = 5

if 0 <= age < 3:

   charge = 0

   

print(charge)

Explanation:

*It is in Python.

Ask the user for the age

Check the each given range and set the charge accordingly using if statements

Print the charge

6 0
2 years ago
You have installed a device at the physical layer. All of the systems you connect to this device will talk to each other at the
9966 [12]

Answer: Hub

Explanation:

Hub is a electronic and networking device that is placed in a network to maintain a common link with the multiple attached devices. Hub is situated at the physical layer of the Open systems interconnection(OSI) model.

  • Hub is used for creation of link between numerous local area network sections as it persist various ports which replicates data packet and distributes to other ports.
  • There are different types of hub for different purpose of connection such as USB hub, Ethernet hub etc.  

8 0
2 years ago
how write a program to prompt the user for hours and rate per hour using input to computer gross pay Use 35 hours and rate2.75 p
Juli2301 [7.4K]

Answer:

Write a program to prompt the user for hours and rate per hour using input to compute gross pay. Use 35 hours and a rate of 2.75 per hour to test the program (the pay should be 96.25). You should use input to read a string and float() to convert the string to a number. ... #compute gross pay bye hours and rate per hour.

Explanation:

3 0
2 years ago
Which of the following type of online advertising intermediaries decide the placement and pricing of online display ads by using
dedylja [7]

Answer:

e. Ad exchanges

Explanation:

The ad exchange is a form of an online strategy that promotes the transaction of media advertising inventory from numerous ad networks. Here, prices for the inventory are defined through the supply and demand in a real-time auction system.

Hence, in this case, the correct answer is that the type of online advertising intermediaries is generally referred to as Ad Exchanges.

5 0
2 years ago
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