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What does authentication refer?
Authentication refers to the task of verifying the uniqueness of a person.
What is an E-R model? Draw an E-R Diagram for the company database with following Descriptions? The company is organized within departments. Each department has a unique name a
Define Two phase commit Two phase commit: To make sure atomicity, all the sites where a transaction is being executed must agree on the final outcome of the execution. The tran
Consider the relations described below: PHYSICIAN (regno, name, telno, city) PATIENT (pname, street, city) VISIT (pname, regno, date_of_visit, fee) Where the regno and pname ide
what is cascading rollback
How many levels can be viewed in Architecture of the database ? Architecture of the database can be viewed as three levels.
Define upgrade and downgrade? It gives a mechanism for conversion from shared lock to exclusive lock is called as upgrade. It gives a mechanism for conversion from exclusive
What is property - properties of a database ? It is an integrated collection of logically related records. It consolidates separate files into a common pool of data records and
sir we want er diagram of bank management system in this main menu option as new account,deposit amount,withdraw amount,all acount holder list,modify account,close account
A relationship set is a set of relationships of the similar type. For example, let consider the relationship among two entities sets course and student. Collection of all the in
Determine the steps of path in association network You can analyse use of paths in association network in the following steps: Examine every operation and see what asso
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