Physical Database Design What is the best data type definition for Oracle when a field is alphanumeric and has a length that can vary? CHAR NUMBER VARCHAR2 LONG CHAR NUMBER VARCHAR2 LONG ANSWER DOWNLOAD EXAMIANS APP
Physical Database Design A multidimensional database model is used most often in which of the following models? Network Data warehouse Hierarchical Relational Network Data warehouse Hierarchical Relational 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 Block contention The length of all of the fields in a table row Random row access speed The number of columns Block contention The length of all of the fields in a table row Random row access speed ANSWER DOWNLOAD EXAMIANS APP
Physical Database Design The three newest database architectures in use today are relational, multidimensional and hierarchical. False True False True 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 Some advantages of partitioning include: efficiency, security, and load balancing. True False True False ANSWER DOWNLOAD EXAMIANS APP
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