Physical Database Design The fastest read/write time and most efficient data storage of any disk array type is: RAID-1 RAID-0 RAID-2 RAID-3 RAID-1 RAID-0 RAID-2 RAID-3 ANSWER DOWNLOAD EXAMIANS APP
Physical Database Design If a denormalization situation exists with a many-to-many or associative binary relationship, which of the following is true? All fields are stored in three relations. All fields are stored in four relations. All fields are stored in two relations. All fields are stored in one relation. All fields are stored in three relations. All fields are stored in four relations. All fields are stored in two relations. All fields are stored in one relation. ANSWER DOWNLOAD EXAMIANS APP
Physical Database Design In general, larger block sizes are used for online transaction processing applications and smaller block sizes are used for databases with a decision support or data warehousing system. False True False True ANSWER DOWNLOAD EXAMIANS APP
Physical Database Design Sequential retrieval on a primary key for sequential file storage has which of the following features? Impractical Moderately fast Very fast Slow Impractical Moderately fast Very fast Slow 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 What is the best data type definition for Oracle when a field is alphanumeric and has a length that can vary? LONG CHAR VARCHAR2 NUMBER LONG CHAR VARCHAR2 NUMBER ANSWER DOWNLOAD EXAMIANS APP
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