Latest Answer : Dimensions mainly 11 types. They are1. Changing Dimensions: At least one attribute value would change over the time.2. Slowly Changing Dimension: Attributes of a dimension that would undergo changes very rarely and commonly over the ...
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 ...
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?
How many clustered indexes can u create for a table in DWH?In case of truncate and delete commanda what happens to table which has unique id.
Latest Answer : Error Log in Informatica is a one of output file created by Informaica Server while running the session for error messages. It is created in Informatica's home directory. ...
Latest Answer : In Business Objects Universe Designer you can open Table Browser and select the tables needed then insert them to designer. ...
Latest Answer : Here's a different way to look at dimensional modelling:Consider data to be a flat table for now. It would have some columns that contain numbers that need to be used in calcualtions later (e.g. basic salary). It would also have some columns that ...
After we create a SCD table can we use that particular Dimension as a dimension table for Star Schema.
Latest Answer : Core Dimension is a Dimension table which is used dedicated for single fact table or Datamart. Conform Dimension is a Dimension table which is used across fact tables or Datamarts. ...