Question
Which OLAP operation involves focusing on a subset of
dimensions (e.g., region=‘Asia’)?Solution
Slice reduces the cube by fixing one dimension value (like filtering rows in SQL). Dice filters multiple values, roll-up aggregates, drill-down goes deeper into hierarchy, pivot rotates.
In the following question, one part of the sentence may have an error. Find out which part of the sentence has an error and select the appropriate opti...
The condolence messages(1)/ received on the death of(2)/ Mrs. Gandhi speaks(3)/ highly of her greatness.(4)
It farther stipulates that retail sales outlets be set up only in cities with a population of more than 10 lakh.
In the following questions, each sentence is divided into four parts, which are labelled a, b, c, and d, one of these parts may contain an error. If th...
X. Many Chinese believe that its superior cultural ways have inspired their neighbours to imitate them and even voluntarily give tribute to the Chinese...
Read each sentence to find out whether there is any error in it. The error, if any, will be in one part of the sentence. The letter of that part is the ...
- The following sentence has been split into four segments. Identify the segment that contains a grammatical error.
He told me / that he cannot atten... There was speculation that Nandkishore is /up for the assembly speaker’s post, but the /party plump for upper-caste Bhumihar /legislator Vijay Kumar S...
In each of the following questions, a sentence is given with four parts marked (a), (b), (c), and (d). One of these parts may contain an error. Identif...
Read each sentence to find out whether there is any grammatical or idiomatic error in it. The error, if any, will be in one part of the sentence. The n...
