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Increases efficiency: Data is stored close to most often used site, therefore retrieval would be faster. Also, data that is not required by local applications is not stored, therefore the size of data to be looked into is smaller.
Explain the Aggregation implies concurrency Concurrency actually is: This in objects can be identified by the way they change state. Present objects can change state independen
Which data manipulation command combines the records from one or more tables ? JOIN data manipulation command combines the records from one or more tables.
How many types of Views are there? There are Four types of views:- Database View Help View Projection View Maintenance View
In an E-R diagram an entity set is represent by? In an E-R digram entity set is represted by rectangle.
During the deletion of a tuple two cases can happen: Deletion of tuple in relation having the foreign key: In this type of case simply delete the desired tuple. For example, in
What are the reasons of bucket overflow? Explain any two methods for solving this problem. Ans: It is general for file structures to be divided into equal-length partitions, k
write on the various type of relationalkey
This assignment is worth 45% of your final grade for this module. Marks will be awarded as follows: Prototypes (wireframe and web based prototype) You are expected
triggering
distributed quey processing
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