Physical Database Design A field represents each component of a composite attribute. 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-0 RAID-3 RAID-1 RAID-2 RAID-0 RAID-3 RAID-1 RAID-2 ANSWER DOWNLOAD EXAMIANS APP
Physical Database Design A secondary key is which of the following? Nonunique key Primary key Determines the tablespace required Useful for denormalization decisions Nonunique key Primary key Determines the tablespace required Useful for denormalization decisions 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 LONG VARCHAR2 NUMBER CHAR LONG VARCHAR2 NUMBER ANSWER DOWNLOAD EXAMIANS APP
Physical Database Design The blocking factor is: the number of physical records per page. a group of fields stored in adjacent memory. attributes grouped together by the same primary key. attributes grouped together by the same secondary key. the number of physical records per page. a group of fields stored in adjacent memory. attributes grouped together by the same primary key. attributes grouped together by the same secondary key. ANSWER DOWNLOAD EXAMIANS APP
Physical Database Design The primary goal of physical database design is data processing efficiency. True False True False ANSWER DOWNLOAD EXAMIANS APP
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