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 multidimensional database model is used most often in which of the following models? Network Hierarchical Relational Data warehouse Network Hierarchical Relational Data warehouse ANSWER DOWNLOAD EXAMIANS APP
Physical Database Design An extent is a contiguous section of disk storage space. True False True False ANSWER DOWNLOAD EXAMIANS APP
Physical Database Design Which of the following improves a query's processing time? Query one query within another. Combine a table with itself. Write complex queries. Use compatible data types. Query one query within another. Combine a table with itself. Write complex queries. Use compatible data types. ANSWER DOWNLOAD EXAMIANS APP
Physical Database Design A secondary key is which of the following? Useful for denormalization decisions Nonunique key Determines the tablespace required Primary key Useful for denormalization decisions Nonunique key Determines the tablespace required Primary key ANSWER DOWNLOAD EXAMIANS APP
Physical Database Design Hashing algorithm converts a primary key value into a record address. True False True False ANSWER DOWNLOAD EXAMIANS APP