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 What is the best data type definition for Oracle when a field is alphanumeric and has a fixed length? NUMBER VARCHAR2 CHAR LONG NUMBER VARCHAR2 CHAR LONG 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 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 Which of the following is not a factor to consider when switching from small to large block size? Block contention Random row access speed The length of all of the fields in a table row The number of columns Block contention Random row access speed The length of all of the fields in a table row The number of columns ANSWER DOWNLOAD EXAMIANS APP
Physical Database Design If a denormalization situation exists with a one-to-one binary relationship, which of the following is true? All fields are stored in four relations. All fields are stored in one relation. All fields are stored in two relations. All fields are stored in three relations. All fields are stored in four relations. All fields are stored in one relation. All fields are stored in two relations. All fields are stored in three relations. ANSWER DOWNLOAD EXAMIANS APP
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