Question
Angered over the delay in giving compensation; factory
workers shouted slogans against the president when he reaches the office. Directions (Q.16-20) 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. If there is no error, mark the answer 5.Solution
“ reached” instead of “reaches”.
Which SQL function returns the total number of rows in a table?
Which clause is used to sort the results in SQL?
Which type of OLAP allows operations on pre-aggregated data cubes?
In a data warehouse, a fact table typically contains:
Which of the following is NOT a common OLAP operation?
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 star schema, what is the main advantage of using surrogate keys in fact tables?
Which process loads data from multiple sources into a data warehouse?
Which OLAP operation summarizes data along a dimension?
Which OLAP operation rotates the data axes to provide an alternative presentation?