In order to reduce the number of joins that must be performed in a query and to increase the speed of data access, the data analyst will _____ the physical model.
A) cluster
B) denormalize
C) index
D) normalize
E) optimize
Correct Answer:
Verified
Q1: A(n) _ can support large volumes of
Q3: To improve the access speed of a
Q4: _ is the process of estimating the
Q5: A(n) _ is basically an electronic list
Q6: If the data model does not have
Q7: A simple rule to follow when creating
Q8: The size of a database is determined
Q9: A mini-table that contains values from one
Q10: The process of ensuring that values linking
Q11: If the logical data model contains fields
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