Question
Rahul bought 25 notebooks for Rs. 200 and he sold them
in such a manner so that selling price of 10 notebooks is Rs. 100. Find the value of 5(P + 5) if the profit percent earned by Rahul is 'P%'.Solution
ATQ, Cost price of 1 notebook = 200/25 = Rs. 8 Selling price of 1 notebook = 100/10 = Rs. 10 Profit earned = 10 − 8 = Rs. 2 So, 'P' = (2/8) × 100 = 25% P = 25 Required value = 5×(25+5) = 5×30 = 150
A Fact Constellation Schema is also called:
In a data cube, what does "slice" operation do?
Which schema in data warehousing uses a central fact table connected to dimension tables?
Which of the following commands is part of the Transaction Control Language (TCL) in SQL?
Which type of OLAP allows analysis of multidimensional data stored in relational databases?
A surrogate key is:
Which OLAP operation involves focusing on a subset of dimensions (e.g., region=‘Asia’)?
What is the primary function of ETL in a data warehouse environment?
Which OLAP operation summarizes data along a dimension?
In a snowflake schema of a data warehouse, which of the following consequences is most likely as a result of normalization of dimension tables?
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