Physical Database Design What is the best data type definition for Oracle when a field is alphanumeric and has a length that can vary? CHAR VARCHAR2 NUMBER LONG CHAR VARCHAR2 NUMBER LONG ANSWER DOWNLOAD EXAMIANS APP
Physical Database Design Selecting a data type involves which of the following? Represent most values All of these Maximize storage space Improve data integrity Represent most values All of these Maximize storage space Improve data integrity ANSWER DOWNLOAD EXAMIANS APP
Physical Database Design An extent is a contiguous section of disk storage space. True False True False ANSWER DOWNLOAD EXAMIANS APP
Physical Database Design The fastest read/write time and most efficient data storage of any disk array type is: RAID-3 RAID-0 RAID-1 RAID-2 RAID-3 RAID-0 RAID-1 RAID-2 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 The blocking factor is: attributes grouped together by the same primary key. a group of fields stored in adjacent memory. the number of physical records per page. attributes grouped together by the same secondary key. attributes grouped together by the same primary key. a group of fields stored in adjacent memory. the number of physical records per page. attributes grouped together by the same secondary key. ANSWER DOWNLOAD EXAMIANS APP
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