Distributed Databases With failure transparency, all of the actions of a transaction are committed or none of them are committed. False True False True ANSWER DOWNLOAD EXAMIANS APP
Distributed Databases Storing a separate copy of the database at multiple locations is which of the following? Data Replication Horizontal and Vertical Partitioning Vertical Partitioning Horizontal Partitioning Data Replication Horizontal and Vertical Partitioning Vertical Partitioning Horizontal Partitioning 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 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 passes the request to only the local DBMS. 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 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 passes the request to only the local DBMS. The required data are located in at least one nonlocal site and the distributed DBMS routes requests as necessary. ANSWER DOWNLOAD EXAMIANS APP
Distributed Databases A distributed database has which of the following advantages over a centralized database? Software cost Slow Response Software complexity Modular growth Software cost Slow Response Software complexity Modular growth ANSWER DOWNLOAD EXAMIANS APP
Distributed Databases Each site (or node) in a distributed system is subject to the same types of failure as in a centralized system. True False True False 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
EXAMIANS