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Submit SQL SELECT Statements to demonstrate several reports off your database, according to the following guidelines:
Submit your SQL SELECT Statements as one text file, with a .sql extension.
What is deadlock? Neither of the transaction can ever proceed with its normal implementation. This situation is known as deadlock.
explain various steps uses in evaluation and maintenance of MIS.
What are the various properties of Relational tables? Relational tables have 6 properties: 1. Each row is unique. 2. Column values are of the same kind. 3. Values are
Performance of Various Concurrency Control Mechanisms
A model in database system mostly defines the organisation of data or structure and a set of operations on that data. Relational model is a easy model in which database is represen
Define Assertions in SQL a. An assertion is a predicate that is expressing a condition we wish the database to always satisfy. b. Domain constraints, functional dependency
Objectives Define the terms RECOVERY and INTEGRITY; Define Recovery Techniques; Explain Error and Error detection techniques, and Define types of Authorisation.
What is Relational calculus? Relational calculus is a Non- Procedural language.
Consider the join of a relation R with relation S. If R has m tuples and S has n tuples, then the maximum size of join is: If R has m tuples and S has n tuples then maximum siz
Explain the paths in the association network We can analyze use of paths in the association network as given below: Calculate each operation Find associations whic
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