Physical Database Design A field represents each component of a composite attribute. True False True False ANSWER DOWNLOAD EXAMIANS APP
Physical Database Design Which of the following is an advantage of partitioning? Inconsistent access speed Security Extra space Complexity Inconsistent access speed Security Extra space Complexity 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 Sequential retrieval on a primary key for sequential file storage has which of the following features? Slow Impractical Very fast Moderately fast Slow Impractical Very fast Moderately fast 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? LONG VARCHAR2 NUMBER CHAR LONG VARCHAR2 NUMBER CHAR ANSWER DOWNLOAD EXAMIANS APP
Physical Database Design The blocking factor is: the number of physical records per page. attributes grouped together by the same primary key. a group of fields stored in adjacent memory. attributes grouped together by the same secondary key. the number of physical records per page. attributes grouped together by the same primary key. a group of fields stored in adjacent memory. attributes grouped together by the same secondary key. ANSWER DOWNLOAD EXAMIANS APP