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 A distributed database has which of the following advantages over a centralized database? Slow Response Software cost Modular growth Software complexity Slow Response Software cost Modular growth Software complexity ANSWER DOWNLOAD EXAMIANS APP
Distributed Databases In a semijoin, only the joining attribute is sent from one site to another, and then only the required rows are returned. 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 The purpose of timestamping is to avoid the use of locks. False True False True ANSWER DOWNLOAD EXAMIANS APP
Distributed Databases An autonomous homogenous environment is which of the following? The same DBMS is at each node and each DBMS works independently. A different DBMS is at each node and each DBMS works independently. A different DBMS is at each node and a central DBMS coordinates database access. 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 each DBMS works independently. A different DBMS is at each node and a central DBMS coordinates database access. The same DBMS is at each node and a central DBMS coordinates database access. ANSWER DOWNLOAD EXAMIANS APP
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