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Find the names of all Albums that have more than 30 tracks. Result: (name: varchar(255))
Question 1 What do you mean by database management system? Question 2 Write a note on Object-Oriented Model Question 3 Explain Sequential File Organization Question
In which relational modes, cardinality is termed? Answer : Cardinality is termed in a number of tuples relational modes.
Describe in brief about the Sequence Diagrams Sequence diagrams are interaction diagrams which emphasize time ordering of messages. In UML, it is shown as a table which shows
What is vertical fragmentation? Vertical fragmentation divides the relation by decomposing the scheme R of relation r.
The External or View Level The external or view level is the highest level of abstraction of database. It gives a window on the conceptual view, which permits the user to see
1. Determine that the Checkpoints are a part of Ans: Checkpoints are a part of Recovery measures
Explain the steps for reduction of E-R model into relational model. Ans:(a) Entity set in E-R model will be considered as table name in relational Model. (b) Attributes of e
Candidate Key: In a relation R, a candidate key for R is a subset of the set of attributes of R, which have the differnt two properties: (1) Uniqueness: N
State the definition of association An association is a structural relationship which specifies that objects of one thing are connected with objects of another. In UML, asso
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