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What is authorization graph? Passing of authorization from single user to another can be shown by an authorization graph.
Consider the following database schema: STAFF(StaffNo, fName, lName, Position, sex, dob, branchNo) BRANCH(BranchNo, Street, City) Assume the following for the above database
What are metrics for choosing the best algorithm? Matrices for choosing the best algorithms are as below: Computational complexity Ease of understand ability and im
A student entity type has the following attributes,name..
What is Relational calculus? Relational calculus is a Non- Procedural language.
Order by clause By using this rows can be sorted It is used in the last portion of select statement By default it gets ascending order DESC: is used
Which of the operations constitute a basic set of operations for manipulating relational data? Relational algebra operations constitute a basic set of operations for manipulati
compare the features of oracle RDBMS with MySQL and Microsoft SQL server
A Functional dependency is described by X Y between two groups of attributes Y and X that are subsets of R specifies a constraint on the possible tuple that can make a relation
In an E-R diagram an entity set is represent by? In an E-R digram entity set is represted by rectangle.
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