Un-Answered Questions { Data Warehouse General }

What is called data cleaning?

621


What is factless fact tables?

640


What is the difference between metadata and data dictionary?

587


What are the tools available for etl?

546


What is the goal of optimizer?

595


What are the different types of datawarehosuing?

565


What are the approaches used by optimizer during execution plan?

490


What needs to be done while starting the database?

657


What is the definition of cube in datawarehousing?

559


What is the difference between er modeling and dimensional modeling?

600


What is defined as partial backup?

626


What are the stages of datawarehousing?

543


What is called dimensional modelling?

581


Can we take backup when the database is opened?

594


What are the types of dimensional modeling?

623