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 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 LONG CHAR NUMBER VARCHAR2 LONG CHAR ANSWER DOWNLOAD EXAMIANS APP
Physical Database Design The fastest read/write time and most efficient data storage of any disk array type is: RAID-2 RAID-3 RAID-0 RAID-1 RAID-2 RAID-3 RAID-0 RAID-1 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? Block contention The number of columns The length of all of the fields in a table row Random row access speed Block contention The number of columns The length of all of the fields in a table row 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 Relational Hierarchical Data warehouse Network Relational Hierarchical ANSWER DOWNLOAD EXAMIANS APP