Distributed Databases Storing a separate copy of the database at multiple locations is which of the following? Horizontal Partitioning Data Replication Vertical Partitioning Horizontal and Vertical Partitioning Horizontal Partitioning Data Replication Vertical Partitioning Horizontal and Vertical Partitioning ANSWER DOWNLOAD EXAMIANS APP
Distributed Databases The purpose of timestamping is to avoid the use of locks. False True False True ANSWER DOWNLOAD EXAMIANS APP
Distributed Databases Data replication is favored where most process requests are read-only and where the data are relatively static. False True False True ANSWER DOWNLOAD EXAMIANS APP
Distributed Databases A distributed database is which of the following? A loose collection of file that is limited to one location. A single logical database that is spread to multiple locations and is interconnected by a network A loose collection of file that is spread to multiple locations and is interconnected by a network A single logical database that is limited to one location. A loose collection of file that is limited to one location. A single logical database that is spread to multiple locations and is interconnected by a network A loose collection of file that is spread to multiple locations and is interconnected by a network A single logical database that is limited to one location. ANSWER DOWNLOAD EXAMIANS APP
Distributed Databases The cost to perform a snapshot refresh may depend on whether the snapshot is simple or complex. True False True False ANSWER DOWNLOAD EXAMIANS APP
Distributed Databases Some of the columns of a relation are at different sites is which of the following? Horizontal and Vertical Partitioning Horizontal Partitioning Data Replication Vertical Partitioning Horizontal and Vertical Partitioning Horizontal Partitioning Data Replication Vertical Partitioning ANSWER DOWNLOAD EXAMIANS APP