Describe the ETL procedure in data warehousing
Briefly describe the ETL procedure in data warehousing?
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ETL sets for Extraction, loading and transformation. That indicates extracting data from various sources like databases, flat files or XML data, transforming this data depending on the application’s loads and need this data in data warehouse.
Illustrates the ETL data integration software?
What are the utilities Oracle gives, which are utilize for backup and recovery?
Explain the Normalizer transformation?
What is meant by the fact table?
Explain the way of establishing connection by ODBC.
Illustrates the quickest sorting method to use?
Name the methods that are available in storing sequential files?
Describe about generating a report tool by utilizing the report tool and the report wizard?
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