Physical Database Design Denormalization and clustering can work well to minimize data access time for small records. True False True False ANSWER DOWNLOAD EXAMIANS APP
Physical Database Design Which of the following is not a factor to consider when switching from small to large block size? The length of all of the fields in a table row The number of columns Block contention Random row access speed The length of all of the fields in a table row The number of columns Block contention Random row access speed ANSWER DOWNLOAD EXAMIANS APP
Physical Database Design When storage space is scarce and physical records cannot span pages, creating multiple physical records from one logical relation will minimize wasted storage space. False True False True ANSWER DOWNLOAD EXAMIANS APP
Physical Database Design If a denormalization situation exists with a many-to-many or associative binary relationship, which of the following is true? All fields are stored in three relations. All fields are stored in two relations. All fields are stored in one relation. All fields are stored in four relations. All fields are stored in three relations. All fields are stored in two relations. All fields are stored in one relation. All fields are stored in four relations. ANSWER DOWNLOAD EXAMIANS APP
Physical Database Design Some advantages of partitioning include: efficiency, security, and load balancing. False True False True ANSWER DOWNLOAD EXAMIANS APP
Physical Database Design Which of the following improves a query's processing time? Combine a table with itself. Write complex queries. Use compatible data types. Query one query within another. Combine a table with itself. Write complex queries. Use compatible data types. Query one query within another. ANSWER DOWNLOAD EXAMIANS APP
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