Data Warehouse Data Mart Question:
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Explain Meta data?


Metadata is data about data. E.g. if in data mart we are receiving any file. Then metadata will contain information like how many columns, file is fix width/limited, ordering of fields, data types of field etc.

Metadata is adata about data.meta data comes in picture when we need to knowabout how data is stored and where it is stored.metadata tool is helpfull in caputuring the business meta data and the following sections explain business metadata.metedata tools are using for gathering,storing,updating,and for retrieving the business and technical metadata of an org.

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