Physical Database Design An extent is a contiguous section of disk 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-3 RAID-2 RAID-1 RAID-0 RAID-3 RAID-2 RAID-1 RAID-0 ANSWER DOWNLOAD EXAMIANS APP
Physical Database Design Which of the following is an advantage of partitioning? Inconsistent access speed Extra space Security Complexity Inconsistent access speed Extra space Security Complexity ANSWER DOWNLOAD EXAMIANS APP
Physical Database Design Distributing the columns of a table into several separate physical records is known as horizontal partitioning. False True False True ANSWER DOWNLOAD EXAMIANS APP
Physical Database Design Which of the following are integrity controls that a DBMS may support? Limit the use of null values in some fields. Assume a default value in a field unless a user enters a value for that field. Limit the set of permissible values that a field may assume. All of these Limit the use of null values in some fields. Assume a default value in a field unless a user enters a value for that field. Limit the set of permissible values that a field may assume. All of these 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
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