Data transparency is where data always appears that it is local to the applicati

Question

Data transparency is where data always appears that it is local to the application

True or False

Synchronous distributed database technologies requires that all data across the network are continuously kept up-to-date

True or False

Three types of distribution are data replication, horizontal partitioning, and modular partitioning

True or False

A two phase commit is an algorithm for deleting data from tables

True or False

Three roles of data administration include: planning, data conflict resolution, managing the information repository

True or False

Explanation / Answer

1) Data transparency is where data always appears that it is local to the application

ans) FALSE

EXPLANATION: data transparency means it is the ability to get access and work with data, does not matter where thye are located as well as the data is accurate and coming from an official source

2) Synchronous distributed database technologies requires that all data across the network are continuously kept up-to-date

ans ) true

EXPLANATION:

=>the name synchronous itself states that keeping thing synched at any given point in time.

=>all data across the network are continuously kept up to date so that a user at any site can access data anywhere on the network at any time and get the same answer.

3)Three types of distribution are data replication, horizontal partitioning, and modular partitioning

ans TRUE

  EXPLANATION : two main approaches are replication and partitioning , where partitioning is of horizontal and modular

4) A two phase commit is an algorithm for deleting data from tables

ans) FALSE

EXLANATION : A two-phase commit is a protocol that ensures thaT a database commit is implementing in the situation where a commit operation must be broken into two separate parts

  data purge algorithm is one of the algorithm used to delete TB of data

5)Three roles of data administration include: planning, data conflict resolution, managing the information repository

ans) TRUE

EXPLANATION:

assist in making data sharable and consistent across

  overall objective of Data Administration is to plan, document, manage and control the information resources of an entire organization

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