Answer:
Not 100% sure but I think it is either to solve things that people use or improve things that people use
Explanation:
Answer: Extraction phase
Explanation: Transactional database is the data collection capable of undoing the transaction that has not been correctly done. Data warehouse id the place where transaction data is transmitted where different types of databases are stored.
The transmission of the information from transactional database to data warehouse is defined in the extraction phase.The extraction phase works by transforming the data into a particular format. It copes the transactional databases's data to the warehouse by making separate space for deposition of data
I believe the word you're looking for is properties.
Answer:
1980s
Explanation:
Source:
https://www.cbc.ca/news/technology/5-major-moments-in-cellphone-history-1.1407352
Answer:
To protect equipment in the event of power-cut
To ensure stable supply of current (protects against surges)
Explanation:
