Physical Database Design The fastest read/write time and most efficient data storage of any disk array type is: RAID-2 RAID-0 RAID-3 RAID-1 RAID-2 RAID-0 RAID-3 RAID-1 ANSWER DOWNLOAD EXAMIANS APP
Physical Database Design Hashing algorithm converts a primary key value into a record address. False True False True ANSWER DOWNLOAD EXAMIANS APP
Physical Database Design Selecting a data type involves which of the following? All of these Improve data integrity Represent most values Maximize storage space All of these Improve data integrity Represent most values Maximize storage space ANSWER DOWNLOAD EXAMIANS APP
Physical Database Design Distributing the columns of a table into several separate physical records is known as horizontal partitioning. True False True False ANSWER DOWNLOAD EXAMIANS APP
Physical Database Design A multidimensional database model is used most often in which of the following models? Network Relational Data warehouse Hierarchical Network Relational Data warehouse Hierarchical ANSWER DOWNLOAD EXAMIANS APP
Physical Database Design Which of the following are integrity controls that a DBMS may support? Limit the set of permissible values that a field may assume. 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. All of these Limit the set of permissible values that a field may assume. 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. All of these ANSWER DOWNLOAD EXAMIANS APP
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