Question
(75 + 0.25 × 10) × 4 = ?2 -
14 What will come in the place of question mark (?) in the given expression?Solution
ATQ, (75 + 0.25 X 10) X 4 = ?2 - 14 {75 + (0.25 X 10) X 4 = ?2 - 14 {(75 + 2.5) X 4 = ?2- 14 (77.5 X 4) = ?2- 14 310 = ?2 - 14 ?2 = 324 ? = 18 or, ? = - 18
Which OLAP operation involves focusing on a subset of dimensions (e.g., region=‘Asia’)?
Which OLAP operation summarizes data along a dimension?
A snowflake schema differs from a star schema mainly because:
Which of the following is a key process in ETL?
Which schema in data warehousing uses a central fact table connected to dimension tables?
What is meant by 'cardinality' in data modeling?
ETL stands for:
Data cleansing is primarily concerned with:
Which process loads data from multiple sources into a data warehouse?
Data warehouse metadata primarily describes: