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What is meant by data-transfer rate? The data-transfer rate is the rate at which data can be retrieved from or kept to the disk.
Explain the two types of participation constraint. Total: The participation of an entity set E in a relationship set R is said to be total if each entity in E participates i
What are composite objects? Objects that have other objects are known as complex objects or composite objects.
Use of partial data by applications : In common, applications work with views rather than whole relations. Thus, it may be more appropriate to work with subsets of relations rather
Explain the term - Handling Boundary Condition These are some circumstances that to be handled in any system initialization and termination. Describes how system is bro
what is the importance of back up files
What functions does a data dictionary perform? In a (DBMS)data management system, the principal functions performed by the data dictionary are Management of data defini
What are the aggregate objects in the data dictionary? Views Match codes Lock objects.
Hi I have got an assignment for making an er diagram for market management software can any budy help me?
what is the relationship between receipt and owner entities in computer sales and service company
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