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    Why use a Relational Database? •    The purpose of a database is to organize data so it can be easily selected, sorted, managed, and up...

   Types of lock. •    The DBMS mainly uses the following types of locking techniques. 1)    Binary locking 2)    Exclusive locking 3)    S...

1: Batch operating system In earlier days, computers were large machines. The common input devices are card readers, tap drivers...

   Optimization Methods for concurrency  Control. •    The optimization method of concurrency control is based on the assumption that confl...

·        Database recovery is the process of restoring the database to a correct state in the event of a failure. ·        In other ...

Definition and Goal:             Operating System is a program / software that – 1)      Manages the computer hardware, and 2)...

·        Some transactions requires not only access to existing data items, but also the ability to create new data items. ·        ...

Recovery from Deadlock :- ·        When a detection algorithm determined that a deadlock exists, the system myst recover from the ...

There are Two HTTP Request Methods: GET and POST. These two methods are used to pass the data between HTML page. To define these methods we...

void main() {     void fibo(int);     int n;     clrscr();     printf("enter no:");     scanf("%d",&n);     fibo(n)...