What is a staging area? Do we need it?
Answer / Aman Rathi
{"staging area": "As mentioned earlier, a staging area is an intermediate storage location in ETL processes. It helps to isolate the ETL process from the source systems, ensuring data consistency and improving performance. Whether you need a staging area depends on your specific use case, but it is commonly used in large-scale ETL projects."
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How do you analyze the tables
Can we look-up a table from source qualifier transformation. Ie. Unconnected lookup?
What are materialized views & where do we use them? What is a materialized view?
What is the purpose of a staging area?
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 is a staging area? Do we need it?
What are snapshots? What are materialized views & where do we use them? What is a materialized view?
What are active transformation / passive transformations?
When do you analyze the tables?
What are the various tools? - Name a few?
Techniques of error handling - ignore, rejecting bad records to a flat file, loading the records and reviewing them (default values)?
How to determine what records to extract?