Best institute for MS BI training in Hyderabad, India?
Answer Posted / sreechowdary
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Explain in detail abt measure objects? And what is the use of it? How to create it?
What is fact less fact table? Where you have used it in your project?
Explain difference between data ware house & data mart?
How can we do data cleaning?
Explain how many ways you create ports?
Which component has onread method and what it is used for?
Why denormalization is promoted in universe designing?
if you use oracle sql*loader , how do you transform data with it during loading?
What is the difference between snowflake and star schema?
How many clustered indexes can u create for a table in dwh? In case of truncate and delete command what happens to table, which has unique id.
How to reduce warnings?
What is a core dimension?
How to eliminate duplicate rows from flat file?
What are the key columns in Fact and dimension tables?
What is the difference between metadata and data dictionary?