Distributed Databases Which of the following is not one of the stages in the evolution of distributed DBMS? Distributed request Remote unit of work Distributed unit of Work Unit of work Distributed request Remote unit of work Distributed unit of Work Unit of work ANSWER DOWNLOAD EXAMIANS APP
Distributed Databases A distributed database is which of the following? A single logical database that is limited to one location. 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 spread to multiple locations and is interconnected by a network A single logical database that is limited to one location. 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 spread to multiple locations and is interconnected by a network ANSWER DOWNLOAD EXAMIANS APP
Distributed Databases Location transparency allows for which of the following? All of these Managers to treat the data as if it is at one location Users to treat the data as if it is at one location Programmers to treat the data as if it is at one location All of these Managers to treat the data as if it is at one location Users to treat the data as if it is at one location Programmers to treat the data as if it is at one location 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 Replication should be used when which of the following exist? The application's data can be somewhat out-of-date. When using many nodes with different operating systems and DBMSs and database designs. When transmission speeds and capacity in a network prohibit frequent refreshing of large tables. All of these The application's data can be somewhat out-of-date. When using many nodes with different operating systems and DBMSs and database designs. When transmission speeds and capacity in a network prohibit frequent refreshing of large tables. All of these ANSWER DOWNLOAD EXAMIANS APP
Distributed Databases Some of the columns of a relation are at different sites is which of the following? Horizontal Partitioning Vertical Partitioning Data Replication Horizontal and Vertical Partitioning Horizontal Partitioning Vertical Partitioning Data Replication Horizontal and Vertical Partitioning ANSWER DOWNLOAD EXAMIANS APP
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