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What is a state chart diagram?
State diagrams (State Chart Diagram) explain all possible states that a particular object can get into, and how object's state changes as result of events which reach the object. It states all the possible states and the transitions.
describe objectivde of file organisation
Differentiate between Key and superkey? Key and superkey - A key a single attribute or a combination of two or more attributes of an entity set in which is used to identify o
What are segments in oracle? Segments - Each table has single field of disk space, known as segment, set aside for it in the tablespace. Segments consist of contiguous sections
give some example real life situation where DBMS are most suitable
Write a query that display ename annual salary and comm from emp table
In the architecture of a database system which external level used? In the architecture of a database system view external level used.
What is Outer join? They can be employed while we want to keep all the tuples in R, or all those in S or all those in both relations in the result of the JOIN in spite of of w
For the relations R and S given below: R S A B C 1 4 7 2 5 8 3 6 9
Explain the cartesian product in Database Management System
Illustrate how you can use QBE to perform logical AND and OR operation
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