_____ is the central activity during the parsing phase in query processing.
A) Clustering
B) Partitioning
C) Query validation
D) Query optimization
Correct Answer:
Verified
Q46: When setting optimizer hints, _ instructs the
Q47: In standard SQL, the optimizer hintALL_ROWS is
Q48: From the performance point of view, _
Q49: Once an SQL statement is transformed, the
Q50: The majority of primary memory resources will
Q52: A(n) _ is good for simple and
Q53: A(n) _ request is a low-level read
Q54: Database _ activities can be divided into
Q55: The _ cache is used as a
Q56: The _ must be set large enough
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