What are snapshots? What are materialized views & where do we use them?
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If two relational tables are connected to sq trans, what are the possible errors it will be thrown?
What are the data marts?
How can we do ETL process in SQL Server?
What are algorithms provided by Microsoft in SQL Server?
explain about balanced dimension,
Compare and contrast aggregates & indexes
how can one connect two fact tables ? is it possible ? how?
What is a hash cluster?
What is Factless fact table? In which purpose we are using this in our DWH projects?Plz give me the proper answer. Thanks, Ramesh
explain the ROLLUP, CUBE, RANK AND DENSE_RANK FUNCTIONS OF ORACLE 8I
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What is called data cleaning?
Suppose we want to display zero when null values coming to report how can we do that?