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    Question Question What is meant by metadata in context of a Datawarehouse and how it is important?
    Answer Answer Meta data is the data about data; Business Analyst or data modeler usually capture information about data - the source (where and how the data is originated), nature of data (char, varchar, nullable, existance, valid values etc) and behavior of data (how it is modified / derived and the life cycle ) in data dictionary a.k.a metadata. Metadata is also presented at the Datamart level, subsets, fact and dimensions, ODS etc. For a DW user, metadata provides vital information for analysis / DSS.

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    Restricted mode is a mode of DB where instance is started and only DBA can access the instance.
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    SQRW, cmd line, process schedular.
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    int count1s =0; while(num != 0){ if(num & 1 == 1){ count1s++; } num= num>>1; } printf("%d", count1s);
    use regular expression validation.
    Using datasets,we can get the data and to display we can use the grid view.
    Accounts payable is where the payment is made regarding payment to the invoices/bill.

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