Physical Database Design What is the best data type definition for Oracle when a field is alphanumeric and has a length that can vary? LONG CHAR NUMBER VARCHAR2 LONG CHAR NUMBER VARCHAR2 ANSWER DOWNLOAD EXAMIANS APP
Physical Database Design The fastest read/write time and most efficient data storage of any disk array type is: RAID-1 RAID-0 RAID-2 RAID-3 RAID-1 RAID-0 RAID-2 RAID-3 ANSWER DOWNLOAD EXAMIANS APP
Physical Database Design Which of the following is an advantage of partitioning? Security Extra space Inconsistent access speed Complexity Security Extra space Inconsistent access speed Complexity ANSWER DOWNLOAD EXAMIANS APP
Physical Database Design A bitmap index is an index on columns from two or more tables that come from the same domain of values. False True False True 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
Physical Database Design It is usually not very important to design the physical database to minimize the time required by users to interact with the information systems. True False True False ANSWER DOWNLOAD EXAMIANS APP
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