Distributed Databases Replication may use either synchronous or asynchronous distributed database technologies, although asynchronous technologies are more typical in a replicated environment. True False True False ANSWER DOWNLOAD EXAMIANS APP
Distributed Databases A homogenous distributed database is which of the following? 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 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 not 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 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 not distributed across all nodes. ANSWER DOWNLOAD EXAMIANS APP
Distributed Databases Replication should be used when which of the following exist? When using many nodes with different operating systems and DBMSs and database designs. The application's data can be somewhat out-of-date. When transmission speeds and capacity in a network prohibit frequent refreshing of large tables. All of these When using many nodes with different operating systems and DBMSs and database designs. The application's data can be somewhat out-of-date. When transmission speeds and capacity in a network prohibit frequent refreshing of large tables. All of these ANSWER DOWNLOAD EXAMIANS APP
Distributed Databases The semijoin approach saves network traffic. False True False True ANSWER DOWNLOAD EXAMIANS APP
Distributed Databases Some of the columns of a relation are at different sites is which of the following? Data Replication Horizontal and Vertical Partitioning Horizontal Partitioning Vertical Partitioning Data Replication Horizontal and Vertical Partitioning Horizontal Partitioning Vertical Partitioning ANSWER DOWNLOAD EXAMIANS APP
Distributed Databases Storing a separate copy of the database at multiple locations is which of the following? Horizontal Partitioning Horizontal and Vertical Partitioning Vertical Partitioning Data Replication Horizontal Partitioning Horizontal and Vertical Partitioning Vertical Partitioning Data Replication ANSWER DOWNLOAD EXAMIANS APP
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