Distributed Databases With asynchronous technology, if any copy of a data item is updated anywhere on the network, the same update is immediately applied to all other copies or it is aborted. 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. True False True False ANSWER DOWNLOAD EXAMIANS APP
Distributed Databases The semijoin approach saves network traffic. False True False True ANSWER DOWNLOAD EXAMIANS APP
Distributed Databases An autonomous homogenous environment is which of the following? A different DBMS is at each node and a central DBMS coordinates database access. 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. The same DBMS is at each node and each DBMS works independently. A different DBMS is at each node and a central DBMS coordinates database access. 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. The same DBMS is at each node and each DBMS works independently. ANSWER DOWNLOAD EXAMIANS APP
Distributed Databases A distributed database has which of the following advantages over a centralized database? Modular growth Software complexity Software cost Slow Response Modular growth Software complexity Software cost Slow Response ANSWER DOWNLOAD EXAMIANS APP
Distributed Databases A transaction manager is which of the following? Maintains before and after database images All of these Maintains appropriate concurrency control Maintains a log of transactions Maintains before and after database images All of these Maintains appropriate concurrency control Maintains a log of transactions ANSWER DOWNLOAD EXAMIANS APP
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