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Define object-relational systems?
Systems that give object-oriented extensions to relational systems are known as object-relational systems.
usecase diagram,activity diagraM,SEQUENCE DIAGRAM
what is meant semantic query optimization? how does it differ from other query optimization techniques?
what is the need of a log in dbms
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
Let us first look into some of the important features of ER model. Entity relationship model is a high-level conceptual data model. It permits us to define the data invo
why data in an RDMS need to be normalised
What are the costs to be considered when a transaction has to be rolled back when recovering from deadlock? Ans: A few transaction will must rolled back (made a victim)
What does Aggregation mean?
What are the requirements to ensure the objectives of file management principle is realized?
Give two profit of Reuse of Code. Reusing the implementation . Place existing class directly inside a new class. The new class can be made up of any number and type of the oth
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