What is data merging,data cleansing,sampling?

Answer Posted / rakesh

Data Merging:-
Is the process of merging non similar structure data (or)similar structure data into target warehouse system;

Data Cleansing:-
IS the process of converting source Non-Unique data format into unique data format into target warehouse system.

sampling:-
it is the process ,orbitarly reading the data from
group of records.

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