Explain techniques of error handling - ignore , rejecting bad records to a flat file , loading the records and reviewing them (default values)?
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What is type 2 version dimension?
What are Aggregate tables?
Tell me the Top 10 features of oracle that supports datawarehousing.
Can any one explain the hierarchies level data warehousing.
Explain about core dimension,
What is load manager?
State any 5 of Cods guidelines of an OLAP system, brief description each?
Explain what are necessary tasks to install reportnet software?
Explain what is data validation strategies for data mart validation after loading process?
Explain what type of indexing mechanism do we need to use for a typical datawarehouse?
what is table partitioning? How it is useful to warehouse database?
How can you set the session management?