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What is trigger?
Triggers are statements that are executed automatically by the system as the side effect of a modification to the database.
Process of implementing system design in dynamic models There are three essential approaches to implementing system design in dynamic models. These approaches are as below:
Define a view and a trigger. Construct a view for the above relations that have the information about suppliers and the elements they supply. The view holds the S#, SNAME, P# , PNA
An example of a weak entity is Staff because the availabilityID cannot be uniquely identified unless it is used in conjunction with the foreign key known as availabilityID in the A
distributed quey processing
vertical fragmentation
What is an object design? Object design is a very interactive method, which decides the relationship among objects, classifies operations on classes, determines overall system
why shadow copy technique is used?
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
My cut off date is very soon in a Database subject and i dont know how to solve anything in it
Type of views : Simple views and Difficult Views Feature Simple Views Complex Views Number of tables One
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