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Identification of concurrency
Identification of concurrency: Dynamic model identifies concurrency. Two objects are said to be parallel (concurrent) if they can receive events at the same time. Concurrent objects are required to be assigned to several threads of control.
Figure: Concurrency without synchronization
What is a primary key? Primary key is chosen by the database designer as the principal means of identifying an entity in the entity set.
How many levels can be viewed in Architecture of the database ? Architecture of the database can be viewed as three levels.
The technique of converting the state diagram to code a) Identify all major control paths. Start from initial state; choose a path across the diagram that corresponds to normal
explain five responsibilities of DBA?
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Show a centralised schema to support the operation of the system you have chosen, including in particular: the product catalogue; the outlets and respective stocks; customer record
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Define the terms i) Entity set ii) Relationship set Entity set: The set of all entities of the similar type is termed as an entity set. Relationship set: The set of all rela
HOW TO SOLVE THE LP Problems by simplex method?z=x1+-3x2+2x3
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