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Timestamp Ordering Protocol A timestamp is a tag that can be attached to any transaction or any data item, which indicates a specific time on which the transaction or data item
In a Hierarchical model of data records are organized ? In the hierarchical model of data records are organized as Tree structure.
#question benefits and limitations of data models..
In an E-R diagram how attributes are represented ? In an E-R diagram attributes are represented in a ellipse.
List the internal controls that should be in effect solely because a EDP system is employed, classifing them as (1) Those controls pertaining to input of information and (2) All ot
Replicating Data One approach that may support efficient access to dissimilar applications as above may be to give access to every of the applications from dissimilar replicate
The State of NewYork certifies firefighters throughout state and keep track all of them, as well as of the state’s fire departments. Each fire department has unique department numb
Describe relational model? Structure of relational data base Basic structure Database schema Keys Schema diagram Query languages
Define in which normalisation form if an attribute of a composite key is dependent on an attribute of other composite key. Ans: 3NF A relation is in 3 NF if an attribute of
draw er diagram using entities crop,employee,department,plot,cultivation plan,machinery,seed,fertilizer
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