Latest Answer : Junk Dimension - There is no measures to aggregate it contains flags and/or text
informationExample: student attendance trackingConformed Dimension - The dimension table used by two or more fact tables
Example: date dimensionsDegenerate Dimension - ...
Latest Answer : Validation Strategies Data validation strategies are often heavily influenced by the architecture for the application. If the application is already in production it will be significantly harder to build the optimal architecture than if the application ...
How can one transfer LOB and user defined data from oracle to warehouse using ETL informaticabecause whenever u select the source data in informatica it shows it can take only character data
What is the difference between database and data warehousing?What is the main advantages of data warehousingWhat is mean by data stageWhat is the famous tools used for data warehousing?What is the architecture of data warehouisng model?
Any one help and answer me for the following question?Question : One employee is working in three different locations. Frequently, the employee changes his work location. Using n-n relationship, how to identify the employee's current location? or how to draw fact table and dimension tables relationship for this concept?
Hi I urgently need some precise infos to the following questions..What kind of data will be stored in a big mortgage company data warehouse?What is the size of tables(number of row, column), number of records?Also how do you conduct a dta warehouse testing? steps of warehouse testing?Thanks
Latest Answer : In DWH loops may exist between the table. If loops exist, then query generation will take more time, because more than one path is available. It creates ambiguity also. Loops can be avoided by creating aliases of the table or by context.. i.e. defining ...
Latest Answer : In Business Objects Universe Designer you can open Table Browser and select the tables needed then insert them to designer. ...
Latest Answer : Interview questions for Data Quality Analyst are as follows:1. How can you say there are no duplicate records in Data warehouse?2. Whether the ETL job accepts known accept records?3. What are the Data Quality Tools? e.g. BO Data Quality, First Logic..etc ...
Latest Answer : Cache are stored in Repository. ...