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How can Redundant Associations be done
It can be done by asking questions:
i) Is there a specific arrangement of network which would optimize critical aspects of completed system?
ii) Will adding new associations which were useful during analysis restructure network? All this sometimes might not produce the most efficient network, one which can handle complex access patterns as well as related frequencies of various kind of access.
Submit SQL SELECT Statements to demonstrate several reports off your database, according to the following guidelines: You must submit at least 5 SELECT Statements. Each
Explain the terms primary key, candidate key, alternate key and secondary key. In the given table identify every key? STUDENT(SID,Regno, Name, City) Primary Key: The prim
we need example of 2phase locking
Authorisation Authorisation is the culmination of the administrative policies of the organisation. As the name shows, authorisation is a set of rules that can be used to verif
a brief definition
Multiple column Queries: Syntax: SELECT COLUMN1, COL2,...... FROM TABLE WHERE (COLUMN1, COL2, ...) IN (SELECT COLUMN1, COL2,.... FROM TABLE WHERE );
Explain Derived and Non-Derived Attribute? In few cases, two or more attribute values are related, for instance, Age and BirthDate attributes of a person. For specific person e
These are the binary operations; i.e., each is applied to two relations or sets. These two relations can be union compatible excluding in case of Cartesian product. Two relations R
What type of view of total database content? Data base content Conceptual view of total database contain.
Define a property that is not a property of transactions? Ans: Concurrency is not a property of transactions
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