Explain ddl (data definition language)?
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What is the difference between olap and datawarehosue?
What is what are semi-additive and factless facts and in which scenario will you use such kinds of fact tables?
Are facts same as metrics and dimensions same as measures? If not , please tell the difference?
Explain the differences between normalizer and normalizer transformation?
How can you set the client management?
How to create context?
Which parameter specified in the default storage clause of create tablespace cannot be altered after creating the table space?
Explain the process of extracting data from source systems,storing in ods and how data modeling is done?
What function should we use to display the value entered or selected by a user in response to a prompt?
Can any one explain about core dimension, balanced dimension, and dirty dimension?
What are the different types of data warehousing?
What are the difference between snow flake and star schema? What are situations where snow flake schema is better than star schema to use and when the oppositeis true?