What are Non-additive facts?
No Answer is Posted For this Question
Be the First to Post Answer
Explain what type of indexing mechanism do we need to use for a typical datawarehouse?
What is a functional dependency f said to be minimal?
what is the use of surrogate key in businessobjects
what is parallelism?
what are confirmed dimension? We alwys give date as a conformed dimension but if it has different format for different contries say YYMMDD for italy and MM-DD-YYYY for france.Then are they not confirmed.
4 Answers IBM, MAHINDRA, Tech Mahindra,
Is it possible to have more than one row on the same table with the same foreign key?
Explain dimensional modelling?
What is the use of dimensional modeling in data warehousing?
Compare and contrast aggregates & indexes
What is the difference between snowflake and star schema?
Which is the optimized method of extracting the data.
Code the tables statement for a single-level (most common) frequency?