How to determine what records to extract?

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How do you analyze the tables

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Can we look-up a table from source qualifier transformation. Ie. Unconnected lookup?

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Techniques of error handling - ignore, rejecting bad records to a flat file, loading the records and reviewing them (default values)?

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What are parameter files? Where do we use them?

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Where do we use connected and un connected lookups?

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What are active transformation / passive transformations?

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What are materialized views & where do we use them? What is a materialized view log?

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What are the various tools? - Name a few?

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What is the purpose of a staging area?

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When do you analyze the tables?

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I am new to sas, can anybody explain the process of extracting data from source systems,storing in ods and how data modelling is done?

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What is a staging area? Do we need it?

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What are materialized views & where do we use them? What is a materialized view?

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What are snapshots? What are materialized views & where do we use them? What is a materialized view?

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