Metadata is nothing but the data
about data if you take term of
informatica in that through
metadata only you will be
converting or solving the
problem. In the flow of
Informatica mapping real data
will first convert in to metadata
which is not actual data and then
it will be converted to again
metadata to data that is the way
how metadata works in
datawarehouse.
Data Dictionary is the tool where
you can find views tables
restrictions alias and etc data
base activities in perticular
datawarehouse.
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