Exam (elaborations)
WGU C175/D426 DATA MANAGEMENT FOUNDATIONS OA EXAM -with ALL QUESTION AND CORRECT ANSWER GRADED A+ When executing a SELECT query, the database examines the WHERE clause and estimates hit ratio. If hit ratio is high, a table scan is performed. If hit rat
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WGU C175/D426 DATA MANAGEMENT FOUNDATIONS OA EXAM -with ALL QUESTION AND CORRECT ANSWER GRADED A+ When executing a SELECT query, the database examines the WHERE clause and estimates hit ratio. If hit ratio is high, a table scan is performed. If hit ratio is low, the query needs only a few ta...
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