Mastering the data requires a firm understanding of what data is available to you and where it is stored,as well as being skilled in the process of extracting,transforming,and loading (ETL).
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Q11: Unlike the IMPACT cycle,requesting data is not
Q12: A composite primary key is made up
Q13: The T in IMPACT Cycle represents transfer.
Q14: Descriptive attributes are attributes that exist in
Q15: The L in IMPACT Cycle represents loading.
Q17: A foreign key is an attribute that
Q18: Much like the IMPACT cycle,requesting data is
Q19: The E in IMPACT Cycle represents existence.
Q20: Comparing the number of records that were
Q21: The purpose of transforming data is:
A) To
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