Question
Project Nexus is a multinational initiative for linking
real-time payment systems. Which of the following countries is NOT a part of Project Nexus?Solution
Project Nexus is a BIS-led initiative to connect fast payment systems of participating countries. UAE is not included among the founding participants.
Which of the following is used to maintain information about the structure of a data warehouse?
Which type of OLAP allows operations on pre-aggregated data cubes?
What is the primary function of ETL in a data warehouse environment?
Which OLAP operation allows users to view data at different levels of granularity?
Which clause is used to sort the results in SQL?
What is the result of SELECT COALESCE(NULL, NULL, 5, 10);?
A snowflake schema differs from a star schema mainly because:
In a snowflake schema of a data warehouse, which of the following consequences is most likely as a result of normalization of dimension tables?
What does "drill-down" operation in OLAP do?
Metadata in data warehousing refers to: