Distributed Processing and Database Systems

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A DDBMS feature that allows a distributed database to look like a single logical database to an end user. A DDBMS feature that allows a system to treat a distributed database as a single database even though it is divided into two or more fragments.

High Consistency

A system that integrates different types of database management systems hierarchical, network, and relational over a network. It supports different database management systems that may even support different data models running under different computer systems, such as mainframes, minicomputers, and microcomputers. In a DDBMS, the distributed database that stores multiple copies of each database fragment at multiple sites.

What is distributed database? - Definition from momugiqy.tk

See also partially replicated database. A system that integrates different types of centralized database management systems over a network.

A system that integrates only one type of centralized database management system over a network. The distributed database design process that breaks a table into subsets of unique rows.

See also database fragment and vertical fragmentation. A property of a DDBMS in which database access requires the end user to know both the name and location of the fragments. See also location transparency.

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A property of a DDBMS in which database access requires the user to know only the name of the database fragments. Fragment locations need not be known. See also local mapping transparency. A combination of horizontal and vertical strategies for data fragmentation, in which a table may be divided into several rows and each row has a subset of the attributes columns.

A scenario describing a fully distributed database management system with support for multiple data processors and transaction processors at multiple sites. A scenario in which multiple processes run on different computers sharing a single data repository. A data replication rule that requires all copies of data fragments to be identical.

The delay imposed by the amount of time required for a data packet to make a round trip from point A to point B. The delay imposed when nodes become suddenly unavailable due to a network failure. A distributed database in which copies of only some database fragments are stored at multiple sites. See also fully replicated database.

File Extensions and File Formats

In partitioned databases, one or more attributes in a table that determine the fragment in which a row will be stored. A data allocation strategy of dividing a database into two or more fragments that are stored at two or more sites. See also remote transaction. See also remote request. A data allocation strategy in which copies of one or more database fragments are stored at several sites.

Why Distribution?

The TP is responsible for the execution and coordination of all databases issued by a local application that accesses data on any DP. Definition - What does Distributed Processing mean? Share this:. Related Terms. Related Articles. The Pioneers of Computer Programming. Reinforcement Learning Vs. What is the difference between little endian and big endian data formats?

Introduction to Distributed Database in Hindi - DDB tutorials #1

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