Q: What is meta Data?
Answer: in a real time Datawarehousing, while Designing datamarts Involvs writing and storing a complex set of instructions.you need to know where to get data(Sources), How to Change it(BY Using Transformations) and Finally where to Store the Data(Targets). PowerMart and PowerCenter will call this set of Instuctions metadata.Each Piece of metadata can contain comments about it.
In Simple Words Matadata is a "Data about data".
please refer the link for more information.http://en.wikipedia.org/wiki/Metadata
Answer: in a real time Datawarehousing, while Designing datamarts Involvs writing and storing a complex set of instructions.you need to know where to get data(Sources), How to Change it(BY Using Transformations) and Finally where to Store the Data(Targets). PowerMart and PowerCenter will call this set of Instuctions metadata.Each Piece of metadata can contain comments about it.
In Simple Words Matadata is a "Data about data".
please refer the link for more information.http://en.wikipedia.org/wiki/Metadata
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