Question

What is
data retrieval ? which aspects
of data retrieval affect the system
performance​

Answer 1

Explanation:

Data retrieval means obtaining data from a database management system such as ODBMS. ... In this case, it is considered that data is represented in a structured way, and there is no ambiguity in data. In order to retrieve the desired data the user present a set of criteria by a query.

Answer 2

Answer:

Data retrieval means obtaining data from a database management system such as ODBMS. In this case, it is considered that data is ...