Distributed Databases An increasingly popular option for data distribution as well as for fault tolerance of any database is to store a separate copy of the database at each of two or more sites. True False True False ANSWER DOWNLOAD EXAMIANS APP
Distributed Databases A distributed database is which of the following? A loose collection of file that is spread to multiple locations and is interconnected by a network A loose collection of file that is limited to one location. A single logical database that is limited to one location. A single logical database that is spread to multiple locations and is interconnected by a network A loose collection of file that is spread to multiple locations and is interconnected by a network A loose collection of file that is limited to one location. A single logical database that is limited to one location. A single logical database that is spread to multiple locations and is interconnected by a network ANSWER DOWNLOAD EXAMIANS APP
Distributed Databases The purpose of timestamping is to avoid the use of locks. True False True False ANSWER DOWNLOAD EXAMIANS APP
Distributed Databases A distributed database has which of the following advantages over a centralized database? Software complexity Slow Response Software cost Modular growth Software complexity Slow Response Software cost Modular growth ANSWER DOWNLOAD EXAMIANS APP
Distributed Databases Some of the columns of a relation are at different sites is which of the following? Horizontal and Vertical Partitioning Vertical Partitioning Data Replication Horizontal Partitioning Horizontal and Vertical Partitioning Vertical Partitioning Data Replication Horizontal Partitioning 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
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