ICT Mock Interview

Practice 25 ICT interview questions covering infrastructure, security, and technical problem-solving.

WRITTEN BY WILLIAM SWANSEN
QUESTION 20 OF 25

What is the difference between OLAP and OLTP? When is each used?

"OLTP and OLAP or similar in that they both define online processes. OLTP stands firm online transaction processing. Examples of this include retail transactions as well as transactions related to finance, such as stock trading. OLAP stands for online analytical process. These are processes used to analyze large sets of data for decision-making and other functions. An example of an OLAP is Netflix analyzing your viewing habits and then making recommendations for other content."

This technical question is requesting that you define the difference between two similar terms commonly encountered in an ICT environment. This type of question is used to separate senior ICT Administrators from individuals with less experience and expertise in the field. You may want to start by defining each term and then stating the differences between them as well as how the technology is used.

"OLTP stands for online transaction processing. It is a common data processing system used in an ICT environment. Examples of this include retail sales and financial transactions. OLAP stands for online analytical process. The key difference between these two types of technology it is OLTP consists of large volumes of short transactions. OLAP is characterized by smaller numbers of more complex and larger transactions."

William Swansen
25 QUESTIONS & ANSWERS · ICT
See membership