Physical Database Design Which of the following is an advantage of partitioning? Security Extra space Complexity Inconsistent access speed Security Extra space Complexity Inconsistent access speed ANSWER DOWNLOAD EXAMIANS APP
Physical Database Design What is the best data type definition for Oracle when a field is alphanumeric and has a fixed length? CHAR NUMBER LONG VARCHAR2 CHAR NUMBER LONG VARCHAR2 ANSWER DOWNLOAD EXAMIANS APP
Physical Database Design A secondary key is which of the following? Useful for denormalization decisions Nonunique key Primary key Determines the tablespace required Useful for denormalization decisions Nonunique key Primary key Determines the tablespace required 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 The fastest read/write time and most efficient data storage of any disk array type is: RAID-2 RAID-0 RAID-1 RAID-3 RAID-2 RAID-0 RAID-1 RAID-3 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
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