Physical Database Design The fastest read/write time and most efficient data storage of any disk array type is: RAID-1 RAID-3 RAID-2 RAID-0 RAID-1 RAID-3 RAID-2 RAID-0 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 number of columns 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 ANSWER DOWNLOAD EXAMIANS APP
Physical Database Design A secondary key is which of the following? Nonunique key Determines the tablespace required Useful for denormalization decisions Primary key Nonunique key Determines the tablespace required Useful for denormalization decisions Primary key 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. True False True False ANSWER DOWNLOAD EXAMIANS APP
Physical Database Design What is the best data type definition for Oracle when a field is alphanumeric and has a length that can vary? NUMBER VARCHAR2 CHAR LONG NUMBER VARCHAR2 CHAR LONG ANSWER DOWNLOAD EXAMIANS APP
Physical Database Design A pointer is a detailed coding scheme recognized by system software for representing organizational data. True False True False ANSWER DOWNLOAD EXAMIANS APP
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