Physical Database Design The fastest read/write time and most efficient data storage of any disk array type is: RAID-0 RAID-1 RAID-2 RAID-3 RAID-0 RAID-1 RAID-2 RAID-3 ANSWER DOWNLOAD EXAMIANS APP
Physical Database Design Which of the following improves a query's processing time? Write complex queries. Combine a table with itself. Query one query within another. Use compatible data types. Write complex queries. Combine a table with itself. Query one query within another. Use compatible data types. ANSWER DOWNLOAD EXAMIANS APP
Physical Database Design Which of the following is an advantage of partitioning? Security Complexity Inconsistent access speed Extra space Security Complexity Inconsistent access speed Extra space ANSWER DOWNLOAD EXAMIANS APP
Physical Database Design If a denormalization situation exists with a one-to-one binary relationship, which of the following is true? All fields are stored in two relations. All fields are stored in four relations. All fields are stored in one relation. All fields are stored in three relations. All fields are stored in two relations. All fields are stored in four relations. All fields are stored in one relation. All fields are stored in three relations. 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 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 Block contention Random row access speed The number of columns The length of all of the fields in a table row Block contention Random row access speed The number of columns ANSWER DOWNLOAD EXAMIANS APP
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