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 What is the best data type definition for Oracle when a field is alphanumeric and has a length that can vary? CHAR NUMBER LONG VARCHAR2 CHAR NUMBER LONG VARCHAR2 ANSWER DOWNLOAD EXAMIANS APP
Physical Database Design A secondary key is which of the following? Determines the tablespace required Nonunique key Useful for denormalization decisions Primary key Determines the tablespace required Nonunique key Useful for denormalization decisions Primary key ANSWER DOWNLOAD EXAMIANS APP
Physical Database Design A multidimensional database model is used most often in which of the following models? Hierarchical Network Relational Data warehouse Hierarchical Network Relational Data warehouse ANSWER DOWNLOAD EXAMIANS APP
Physical Database Design The primary goal of physical database design is data processing efficiency. True False True False 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