Distributed Databases A distributed unit of work allows various statements within a unit of work to refer to multiple remote DBMS locations. True False True False ANSWER DOWNLOAD EXAMIANS APP
Distributed Databases Replication may use either synchronous or asynchronous distributed database technologies, although asynchronous technologies are more typical in a replicated environment. True False True False ANSWER DOWNLOAD EXAMIANS APP
Distributed Databases Which of the following is a disadvantage of replication? Reduced network traffic If the database fails at one site, a copy can be located at another site. Each transaction may proceed without coordination across the network. Each site must have the same storage capacity. Reduced network traffic If the database fails at one site, a copy can be located at another site. Each transaction may proceed without coordination across the network. Each site must have the same storage capacity. 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 Replication should be used when which of the following exist? The application's data can be somewhat out-of-date. When using many nodes with different operating systems and DBMSs and database designs. All of these When transmission speeds and capacity in a network prohibit frequent refreshing of large tables. The application's data can be somewhat out-of-date. When using many nodes with different operating systems and DBMSs and database designs. All of these When transmission speeds and capacity in a network prohibit frequent refreshing of large tables. ANSWER DOWNLOAD EXAMIANS APP
Distributed Databases A distributed database is which of the following? A single logical database that is limited to one location. A loose collection of file that is spread to multiple locations and is interconnected by a network A single logical database that is spread to multiple locations and is interconnected by a network A loose collection of file that is limited to one location. A single logical database that is limited to one location. A loose collection of file that is spread to multiple locations and is interconnected by a network A single logical database that is spread to multiple locations and is interconnected by a network A loose collection of file that is limited to one location. ANSWER DOWNLOAD EXAMIANS APP
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