Physical Database Design A multidimensional database model is used most often in which of the following models? Relational Hierarchical Network Data warehouse Relational Hierarchical Network Data warehouse ANSWER DOWNLOAD EXAMIANS APP
Physical Database Design Sequential retrieval on a primary key for sequential file storage has which of the following features? Slow Very fast Moderately fast Impractical Slow Very fast Moderately fast Impractical 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 The primary goal of physical database design is data processing efficiency. False True False True 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 three relations. All fields are stored in two relations. All fields are stored in four relations. All fields are stored in one relation. All fields are stored in three relations. All fields are stored in two relations. ANSWER DOWNLOAD EXAMIANS APP
Physical Database Design The blocking factor is: attributes grouped together by the same primary key. the number of physical records per page. attributes grouped together by the same secondary key. a group of fields stored in adjacent memory. attributes grouped together by the same primary key. the number of physical records per page. attributes grouped together by the same secondary key. a group of fields stored in adjacent memory. ANSWER DOWNLOAD EXAMIANS APP
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