What are the main steps to build the data warehouse?
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What are CUBES?
Which one among Star and snowflake schemas will occupy more space?
Difference between DSS & OLTP?
what is the synchonus? wht is the diff between synchronous and asynchronous what is the diff between v1 and v2 v3 delta modes in sap ecc
When should one use an MD-database (multi-dimensional database) and not a relational one?
What is meant by metadata in context of a data warehouse and how it is important?
What is difference between Mapplet and reusable transformation?
Explain what are the various transformation available?
What Oracle tools can be used to design and build a W/H?
How can we schedule the graph in unix?
What is data merging, data cleansing and sampling?
What are different deliverables according to phases?