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what is data link layer
assignment
define locking in simple language and decribed it
Define deadlock prevention. Deadlock prevention is a set of methods for ensuring that at least one of the four essential conditions like mutual exclusion, hold and wait, no pre
How to reduce data redundency
Describe Participation Constraints? Participation Constraints - The participation constraint exacts whether the existence of an entity depends on its being related to another
One-way Associations When an association is traversed only in the one direction, then it is implemented as a pointer i.e.an attribute which contains an object reference. If mu
Explain the term- Data Flows Data Flows: A data flow connects output of an object or process to input of another process or object. It represents an in-between data value wit
Describe the Association: Design Before we describe association design let us define association "Association is set of links between two objects in the object model". It is
In which relational modes, cardinality is termed? Answer : Cardinality is termed in a number of tuples relational modes.
Differentiate between logical database design and physical database design. Show how this separation leads to data independence? Basis Logical Databas
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