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I want a script that will run, and update my virtual machine's LAN settings (proxy server and port), and also re-configure the Firefox User Agent. I want a script that will run,
Define cardinality and participation constraints on a relationship type, completeness constraint on generalization. Ans: Cardinality defines the number of entities to wh
Database systems have many opposite efforts ?
why shadow copy technique is used?
These are the binary operations; i.e., each is applied to two relations or sets. These two relations can be union compatible excluding in case of Cartesian product. Two relations R
What is the difference among a database schema and a database state? The collection of information stored in database at particular moment in time is known as database state a
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
What is the aim of object design The aim of object design is to identify object which the system contains and the interactions among them. The system implements specification
Define object-relational systems? Systems that give object-oriented extensions to relational systems are known as object-relational systems.
What are the General Transformation Rules for Relational operations? Ans: The transformation rules transform one relational algebra expression to AN EQUIVALENT ONE 1. E
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