Question
44% of 1250 + 46 × 34 = 40% of ? +
1154 What will come in place of question mark(?)Solution
ATQ, 44% of 1250 + 46 × 34 = 40% of ? + 1154 0.40 × ? + 1154 = 0.44 × 1250 + (40 + 6)(40 – 6) 0.40 × ? = 550 + 1600 – 36 + 1154 0.40 × ? = 960 ? = 2400
Which of the following best describes the primary function of a database index?
In a snowflake schema of a data warehouse, which of the following consequences is most likely as a result of normalization of dimension tables?
In a data warehouse, a fact table typically contains:
Which OLAP operation rotates the data axes to provide an alternative presentation?
Which of the following is NOT a characteristic of OLAP systems?
A surrogate key is:
Which OLAP operation summarizes data along a dimension?
Which type of OLAP allows operations on pre-aggregated data cubes?
Which of the following best describes a Data Warehouse?
Which type of OLAP allows analysis of multidimensional data stored in relational databases?
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