meta data is the data contains structure of the table not an actual data,actual data wil come into the picture while excution of the process.
Meta data is nothing but data but it gives the table structure where we are storing our information in datawarehouse.As my view meta data is formate of table
Metadata -Its Data about data.
Metadata means data about data.
Majority of the data integration tools needs a database while installing , this is to store the data about its different objects available in it. Likewise ,in informatica there exists 205 opb tables to store the metadata ie.,its codes into those tables not only informatica oracle database itself has its own system metadata tables to records the manipulations happening over it.
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