Question
There are still a few people in northern Europe who
think that global warming might not be such a bad thing. In Britain, where summer can sometimes seem to last little more than a few weeks, many would welcome the idea of it getting a bit hotter. Unfortunately things are not so simple. (______________________). Paradoxically, it could cause certain areas to get colder - a lot colder. In each of the following questions, a paragraph with a blank is given. From the five choices given below, select the sentence which can go into the blank to make the paragraph logically coherent.Solution
The above paragraph is about global warming and it is clear that we are talking about the effects of it and statement no.3 is giving the reason that why ‘things are not simple ‘ as mentioned in previous sentence, therefore connects with sentence logically and the next sentence confirms our answer as it strengthens the statement given in the missing statement.
Which of the following best describes the primary function of a database index?
Fact constellation schema is best described as:
In a data cube, what does "slice" operation do?
Which process loads data from multiple sources into a data warehouse?
A star schema in a data warehouse consists of:
Which SQL query will correctly calculate the average salary of employees in each department and group them by department in a table named 'employees'?
Which SQL clause is used to summarize data?
Which of the following best describes a fact constellation schema in a data warehouse?
Which OLAP operation allows users to view data at different levels of granularity?
Which of the following is a real-time data warehouse application?