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Define Boyce codd normal form A relation schema R is in BCNF with respect to a set F of functional dependencies if, for all functional dependencies in F + of the form.α ->β.
Find a 3NF decomposition of the following relation scheme: University (Faculty, Dean, Department, Chair, Professor, Rank, Student}. The University relation satisfies the following
What is system log? What are the entries? Ans: The system log that is generally written on stable storage contains the redundant data required to recover from volatile
What is Cross Product? Simply Cross product is Binary Operator
Question: (a) Use the following business rules to produce the E-R diagram. You should clearly show all the minimum and maximum cardinality constraint on each side of the relati
write a database program for concurrency transaction in a bank
While using extract datasets it is required to have a special workarea for interface False. It is not required to have a special workarea for interface
draw er diagram using entities crop,employee,department,plot,cultivation plan,machinery,seed,fertilizer
What are the several forms of identity? a) Value b) Name c) Built-in
Write short note on Data models? Data models: A data model is an abstract model which elaborates how data is represented and accessed. The term data model has two commonly ac
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