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 CHAR LONG VARCHAR2 NUMBER CHAR LONG VARCHAR2 ANSWER DOWNLOAD EXAMIANS APP
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. False True False True ANSWER DOWNLOAD EXAMIANS APP
Physical Database Design An extent is a contiguous section of disk storage space. False True False True ANSWER DOWNLOAD EXAMIANS APP
Physical Database Design Denormalization and clustering can work well to minimize data access time for small records. 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. True False True False ANSWER DOWNLOAD EXAMIANS APP
Physical Database Design A pointer is a detailed coding scheme recognized by system software for representing organizational data. False True False True ANSWER DOWNLOAD EXAMIANS APP