What is the difference between snowflake and star schema?
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How to handle time period attribute for time dependent data?? a.)add time period as a part of pk b.)add time period simply and make it nullablec.)add time period simply and make it not null.
Explain clearly how to explain any (sales) project in interview. Actually feom where report developer work starts?pls reply as soon as possible?
what is query optimizer? what are different types of optimizer s supported by oracle ?
What is an er diagram?
How to import vsam files from source to target. Do we need a special plugin?
Explain what are the various file formats involved in reportnet?
where exactly in dataware house a confirmed dimension can be created
Explain dimension table ?
What is load manager?
How to generate the cubes in framework manager?
Which are the olap tools available that are supported by oracle?
What is a star schema? Why does one design this way?