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Locks:Serialisabilty is just a test whether a given interleaved schedule is ok or has a concurrency related trouble. Though, it does not make sure that the interleaved concurrent transactions do not have any concurrency related trouble. This can be completed by using locks. So let us talk about what the dissimilar types of locks are, and then how locking ensures serialsability of implementing transactions.
In the architecture of a database system which external level used? In the architecture of a database system view external level used.
Examine about the Behavioural Diagrams The main objective of behavioural diagrams is to visualize, specify, construct and document dynamic aspects of a system. The interactio
What is document scanning and imaging? Document scanning and imaging, or digital archiving, is the method of scanning a document into a digital image to archive and retrieve a
Explain retrieval in QBE? Retrieval in QBE : A "GUI" for expressing queries. Based on the Domain Relational Calculus (DRC) Actually invented before GUIs. Very co
QUESTION (a)(i) Define the term database. (ii) How is it different from a database management system? (b) What is the difference between an entity and an attribute? (c
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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
WOUND-WAIT
#quesDefine a job scheduling strategy that will meet business requirement of reporting availability by 6am CST for the following cubes? Show the job scheduling dependencies in a pi
WHAT IS MEANT BY E-R MODEL
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