Distributed Databases Storing a separate copy of the database at multiple locations is which of the following? Horizontal Partitioning Vertical Partitioning Horizontal and Vertical Partitioning Data Replication Horizontal Partitioning Vertical Partitioning Horizontal and Vertical Partitioning Data Replication ANSWER DOWNLOAD EXAMIANS APP
Distributed Databases Synchronization for pull replication is less disruptive and occurs only when needed by each site, not when a central master site thinks it is best to update. False True False True 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 An autonomous homogenous environment is which of the following? The same DBMS is at each node and a central DBMS coordinates database access. A different DBMS is at each node and a central DBMS coordinates database access. The same DBMS is at each node and each DBMS works independently. A different DBMS is at each node and each DBMS works independently. The same DBMS is at each node and a central DBMS coordinates database access. A different DBMS is at each node and a central DBMS coordinates database access. The same DBMS is at each node and each DBMS works independently. A different DBMS is at each node and each DBMS works independently. ANSWER DOWNLOAD EXAMIANS APP
Distributed Databases Replication should be used when which of the following exist? When using many nodes with different operating systems and DBMSs and database designs. The application's data can be somewhat out-of-date. When transmission speeds and capacity in a network prohibit frequent refreshing of large tables. All of these When using many nodes with different operating systems and DBMSs and database designs. The application's data can be somewhat out-of-date. When transmission speeds and capacity in a network prohibit frequent refreshing of large tables. All of these ANSWER DOWNLOAD EXAMIANS APP
Distributed Databases Asynchronous technology can result in unsatisfactorily slow response time because the distributed DBMS is spending considerable time checking that an update is accurately and completely propagated across the network. False True False True ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS