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List the table modification commands in SQL?
A) Deletion
B) Updates
C) Insertion
D) Update of a view
In E-R diagram how generalization is represented? in E-R diagram generalization is represented by Triangle shape.
Explain ER Relationship model? An entity-relationship model (ERM): An entity-relationship model (ERM) is an abstract theoretical illustration of structured data. Entity-relatio
Define entity integrity and referential integrity. How does SQL allow specification of these? Ans: Entity Integrity Rule- If the attribute A of relation R is a prime attribut
A distributed transaction consists of subtransactions that execute at different sites and access local DBMSs at those sites. For example, a distributed transaction that transfers m
What are partial, alternate,, artificial, compound and natural key? Partial Key: It is a set of attributes that can uniquely recognize weak entities and that are related to s
Explain Alternate key? Alternate Key - All the candidate keys except primary key are known as alternate keys.
Normal 0 false false false EN-IN X-NONE X-NONE MicrosoftInternetExplorer4
explain in detail about crash recovery
What is hash file organization? What are the causes of bucket overflow within a hash file organization? What can be completed to decrease the occurrence of bucket overflow?
Describe about Object oriented design Object oriented design is concerned with developing an object oriented model of a software system to implement known requirements. Many OO
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