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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.
What is the use of group by clause? Group by clause is used to apply aggregate functions to a set of tuples. The attributes given in the group by clause are used to
, write the relational schema, and draw the new dependency diagrams. Identify the normal forms for each table structure you created
Determine the steps of path in association network You can analyse use of paths in association network in the following steps: Examine every operation and see what asso
Higher Normal Forms Is there more normal forms beyond BCNF? Yes, though, these normal forms are not based on the concept of functional dependence. More normalisation is needed if
Question: In relation to distributed database answer the following questions: (i) Give a brief definition of distributed database. Support your answer with an appropriate di
What are domain constraints? A domain is a set of values that might be assigned to an attribute .all values that appear in a column of a relation must be taken fro
Relational Algebra is a set of basic operations used to influence the data in relational model. These operations allow the user to specify basic retrieval request. The result of re
as a customer service employee explain five measures you would recommend to make even a displeased students patronize the school canteen
Ask question #Minim 100 words accepted#what is recovery management component in database management system and how it is useful
cardnality ratio for humanresource mangement system
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