41. What does MetaData Respiratory contains? Metadata respiratory contains Definition of data warehouse, Business Metadata, Operational Metadata, Data for mapping from operational environment to data warehouse and the Alorithms for …
31. What is called data cleaning? Name itself implies that it is a self explanatory term. Cleaning of Orphan records, Data breaching business rules, Inconsistent data and missing information in …
21. What is Active Datawarehousing? An active datawarehouse is a datawarehouse that enables decision makers within a company or organization to manage customer relationships effectively and efficiently. 22. What is …
11. What is the difference between View and Materialized View? A view is nothing but a virtual table which takes the output of the query and it can be used …
1. What does the subject oriented data warehouse signifies? A: Subject oriented signifies that the data warehouse stores the information around a particular subject such as product, customer, sales etc. …
11.What is junk dimension? • In scenarios where certain data may not be appropriate to store in the schema, this data (or attributes) can be stored in a junk dimension. …
1.What is the purpose of cluster analysis in Data Warehousing? Cluster analysis is used to define the object without giving the class label. It analyzes all the data that is …
1.What is the purpose of cluster analysis in Data Warehousing? Cluster analysis is used to define the object without giving the class label. It analyzes all the data that is …
