Techniques of error handling - ignore, rejecting bad records to a flat file, loading the records and reviewing them (default values)?
1I am new to sas, can anybody explain the process of extracting data from source systems,storing in ods and how data modelling is done?
1What are snapshots? What are materialized views & where do we use them? What is a materialized view?
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How to determine what records to extract?
When do you analyze the tables?
What are active transformation / passive transformations?
What is a staging area? Do we need it?
Where do we use connected and un connected lookups?
Techniques of error handling - ignore, rejecting bad records to a flat file, loading the records and reviewing them (default values)?
What is the purpose of a staging area?
What are parameter files? Where do we use them?
What are materialized views & where do we use them? What is a materialized view log?
What are materialized views & where do we use them? What is a materialized view?
Can we look-up a table from source qualifier transformation. Ie. Unconnected lookup?
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?
What are the various tools? - Name a few?
How do you analyze the tables
What are snapshots? What are materialized views & where do we use them? What is a materialized view?