A. These are used to identify which fields from which sources are going to with destinations. It allows the ETL developer to identify if there is a need to do a data type change or aggregation prior to beginning coding of an ETL process.
B. These can be used to flag an entire file-set that is ready for processing by the ETL process. It contains no meaningful data bu the fact it exists is the key to the process.
C. Data is pulled from multiple sources to be merged into one or more destinations.
D. It is used to massage data in transit between the source and destination.
Ans: A
B. These can be used to flag an entire file-set that is ready for processing by the ETL process. It contains no meaningful data bu the fact it exists is the key to the process.
C. Data is pulled from multiple sources to be merged into one or more destinations.
D. It is used to massage data in transit between the source and destination.
Ans: A
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