The operation of moving from finer- granularity data to a coarser granularity (by means of aggregation) is called a                  

Related MCQs

• While evaluating a postfix expression, when an operator is encountered, what is the correct operation to be performed?
• The generalization of cross-tab which is represented visually is                           which is also called as data cube.
• Which of the following is required by K- means clustering?
• Which of the following function is used for k-means clustering?
• What does Software architecture means?
• Which of the following is used to access the database server at the time of executing the program and get the data from the server accordingly?
• Which of the following in context to data in pipeline is correct?
• Which of the error is raised when the quantity of data is too much?
• What incorporates data, architectural, interface, and procedural representations of the software?
• Which of the following lists names of variables in a data.frame?