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. True False True False 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
Distributed Databases A heterogeneous distributed database is which of the following? A different DBMS is used at each location and data are not distributed across all nodes. The same DBMS is used at each location and data are distributed across all nodes. A different DBMS is used at each location and data are distributed across all nodes. The same DBMS is used at each location and data are not distributed across all nodes. A different DBMS is used at each location and data are not distributed across all nodes. The same DBMS is used at each location and data are distributed across all nodes. A different DBMS is used at each location and data are distributed across all nodes. The same DBMS is used at each location and data are not distributed across all nodes. ANSWER DOWNLOAD EXAMIANS APP
Distributed Databases The problem of concurrency control is more complex in a distributed database. True False True False ANSWER DOWNLOAD EXAMIANS APP
Distributed Databases Databases that are stored on computers at multiple locations and are not interconnected by a network are known as distributed databases. False True False True ANSWER DOWNLOAD EXAMIANS APP
Distributed Databases Which of the following is true concerning a global transaction? The required data are at one local site and the distributed DBMS passes the request to only the local DBMS. The required data are located in at least one nonlocal site and the distributed DBMS passes the request to only the local DBMS. The required data are at one local site and the distributed DBMS routes requests as necessary. The required data are located in at least one nonlocal site and the distributed DBMS routes requests as necessary. The required data are at one local site and the distributed DBMS passes the request to only the local DBMS. The required data are located in at least one nonlocal site and the distributed DBMS passes the request to only the local DBMS. The required data are at one local site and the distributed DBMS routes requests as necessary. The required data are located in at least one nonlocal site and the distributed DBMS routes requests as necessary. ANSWER DOWNLOAD EXAMIANS APP
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