Latest Answer : Data warehousing is used to perform Historical records & providing all information by client users. Yes we can persom all the transformatioin usring oracle ...
Latest Answer : The datawarehousing where all the operations activities maintained, so that you can access the anaysed data from adifferent place.For example, take bank operations ... if A deposit 10,000/- in B account in Hyderabad  and B withdraw the money ...
Latest Answer : Because bitmapped indexes map values in the column to bits and store only the bit values, storage is reduced by several orders when bitmapped indexes are used. ...
For a customer update transaction it should be inserted in customer table as a new record or as a insert with a new surrogate key.
Latest Answer : Analysis, Knowledge Discovery ...
How MS SS Reporting service will connect with SSAS OLAP Cube? How many dimensions will the SSAS Cube can handle? What about the performance trade off when increasing the volume of the data. Is it handle 1.5 million records of a single dimensions?
How to implement clustering and classification algorithms in data mining
What are the differences between Meta Data and Data Dictionary?
Latest Answer : The “data dictionary” in a database tool (eg. Oracle or Informatica) is simply a repository of metadata. Metadata is however data about the data. The following are examples of metadata:- The structure of each of the Dimension ...