January 2012
Intermediate to advanced
336 pages
11h 19m
English
Content preview from Express Learning: Database Management Systems
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Database System Architecture
1. What do you understand by parallel processing? Explain main architectures for building parallel database systems.
Ans: The simultaneous use of computer resources such as central processing units (CPUs) and disks to perform a specific task is known as parallel processing. In parallel processing, many tasks are performed simultaneously on different CPU's. Parallel DBMS seeks to improve performance by carrying out many operations in parallel, such as loading data, processing queries and so on. The three main architectures for building parallel database systems are as follows:
Shared memory: In shared-memory ...
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