Question
Statements: Only a few diamond are Gold
All Silver are Gold Only a few Silver are platinum No Platinum is rhodium Conclusions: I) Some diamond being silver is a possibility. II) All rhodium are not silver. III) Some platinum are not diamond. In each of the question below are given some statements followed by some conclusions. You have to take the given statements to be true even if they seem to be at variance with commonly known facts. Read all the conclusions and then decide which of the given conclusions logically follows from the given statements, disregarding commonly known facts.ΒSolution
All Silver are Gold (A) + Some gold are diamond (I) β β Probable conclusion β Some diamond may be Silver (I). Hence conclusion I follows but conclusion III does not follow. Some Silver are platinum (I) + No Platinum is rhodium (E) β Some Silver are not rhodium (O). Hence conclusion II does not follow.
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?