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Explain the Deferred Update The deferred update methods do not physically update the database on disk till after a transaction reaches its commit point; after that the updates
what is Lossless-join decomposition
A Functional dependency is described by X Y between two groups of attributes Y and X that are subsets of R specifies a constraint on the possible tuple that can make a relation
a project based on normalization with first, second and third normalization. There need to be a diagram also
Hierarchical model is also known by? A hierarchical model is also known as a Tree structure.
Improved availability: The data in a distributed system may be replicated so that it is at more than one site. Thus, the failure of a node or a communication link does not necessar
Develop a database broker framework to implement a persistence mechanism for the domain objects involved in the use case dealt with in Question 2. a. Specify the attribute type
What is Nested Queries explain in details? Nested Queries - A SELECT query could have subquery(s) in it. While a SELECT query having another SELECT query in it, is known as n
wrie a report on whether a BSc n information systems develops the skills required by employers in Database administration
A field-groups statement or an insert statement reverses storage space and transfers values. False.
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