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Explain Deadlock detection and recovery Deadlock Detection - A deadlock is said to take place when there is a circular chain of transaction, every waiting for the release of a
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
What is known as a search key? An attribute or set of attributes used to look up records in a file is known as a search key.
what is natural join?
Explain the main advantages of DBMS over File Oriented System ?
HOW TO SOLVE THE LP Problems by simplex method?z=x1+-3x2+2x3
For the relations R and S given below: R S A B C 1 4 7 2 5 8 3 6 9
Which operation is used if we are interested in only certain columns of a table? PROJECTION operation is used if we are interested in only certain columns of a table.
When It is better to use files than a DBMS? It is better to use files than a DBMS when Multiple users wish to access the data.
Problem 1. Write the SQL queries using Data Manipulation Language (DML) statements. Insert values into student table with field names using insert command Display the
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