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Problem
Explain at least five relational algebraic operators with a suitable example.
Note: All the above descriptions should be done by taking at least two examples from outside (Other than the text book examples)
Define a property that is not a property of transactions? Ans: Concurrency is not a property of transactions
For the relations R and S given below: R S A B C 1 4 7 2 5 8 3 6 9
What is Natural Language Interfaces? Natural Language Interfaces - These interfaces accept requests written within English or a few other language and attempt to "understand" t
Example RELATION SCHEMA for STUDENT: STUDENT (Roll No: string, name: string, login: string, age: integer) RELATION INSTANCE
Differentiate between strict two-phase and rigorous two-phase with conversion protocol Ans: Strict two-phase locking holds all its exclusive that is write locks until commit t
How nulls are treated in comparison operator? Along with comparison (relational) operators, the null values are ignored as we cannot derive the relation along with the given op
Where does view definition stored? A view definition is permanently stored as part of the database.
What are the three fundamental operations that are regular to MySQL Programs? a) Establishing a connection to the MySQL server b) Choosing a database. c) Disconnecting fr
anyone have a textbook solutions case fair, 8 edition of vol 1 ?, please give me
What is OMR? OMR (Optical Mark Recognition) is the translation of marks - or the absence of marks - but not the shape of the mark on forms that have small circles ("also called
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