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draw er diagram using entities crop,employee,department,plot,cultivation plan,machinery,seed,fertilizer
wh
Performance of Various Concurrency Control Mechanisms
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 was the method in which records are physically stored in a specified order according to a key field in each record ? A method in which records are physically stored within
In problems 1 - 4, you are given the columns of a table, and a set of functional dependencies. Determine the normal form of this table. Remember that the normal form is the HIGHE
Which data manipulation command combines the records from one or more tables ? JOIN data manipulation command combines the records from one or more tables.
In a relation, tuples are not inserted in any definite order. Ordering of tuples is not defined as a part of a relation definition. Though, records may be structured later accordin
For problems 1-4, give all candidate keys for the tables with FDs specified. Composite candidate keys must be put in parentheses, and candidate keys must be separated with commas
the of super market system done in database
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