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
Physical Database Design Which of the following is not a factor to consider when switching from small to large block size? The length of all of the fields in a table row Block contention The number of columns Random row access speed The length of all of the fields in a table row Block contention The number of columns Random row access speed ANSWER DOWNLOAD EXAMIANS APP
Physical Database Design A multidimensional database model is used most often in which of the following models? Data warehouse Network Hierarchical Relational Data warehouse Network Hierarchical Relational 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-2 RAID-3 RAID-0 RAID-1 RAID-2 RAID-3 RAID-0 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. All of these Assume a default value in a field unless a user enters a value for that field. Limit the use of null values in some fields. Limit the set of permissible values that a field may assume. All of these Assume a default value in a field unless a user enters a value for that field. Limit the use of null values in some fields. ANSWER DOWNLOAD EXAMIANS APP
Physical Database Design If a denormalization situation exists with a one-to-one binary relationship, which of the following is true? All fields are stored in two relations. All fields are stored in one relation. All fields are stored in four relations. All fields are stored in three relations. All fields are stored in two relations. All fields are stored in one relation. All fields are stored in four relations. All fields are stored in three relations. ANSWER DOWNLOAD EXAMIANS APP
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