Physical Database Design What is the best data type definition for Oracle when a field is alphanumeric and has a length that can vary? VARCHAR2 CHAR NUMBER LONG VARCHAR2 CHAR NUMBER LONG ANSWER DOWNLOAD EXAMIANS APP
Physical Database Design Denormalization and clustering can work well to minimize data access time for small records. True False True False ANSWER DOWNLOAD EXAMIANS APP
Physical Database Design When storage space is scarce and physical records cannot span pages, creating multiple physical records from one logical relation will minimize wasted storage space. False True False True ANSWER DOWNLOAD EXAMIANS APP
Physical Database Design Which of the following is an advantage of partitioning? Extra space Inconsistent access speed Complexity Security Extra space Inconsistent access speed Complexity Security ANSWER DOWNLOAD EXAMIANS APP
Physical Database Design Data-volume and frequency-of-use statistics are not critical inputs to the physical database design process. False True False True ANSWER DOWNLOAD EXAMIANS APP
Physical Database Design What is the best data type definition for Oracle when a field is alphanumeric and has a fixed length? CHAR VARCHAR2 NUMBER LONG CHAR VARCHAR2 NUMBER LONG ANSWER DOWNLOAD EXAMIANS APP
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