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What is Oracle databse structure? Oracle database structure: The relational model has three main aspects: Structures: Structures are well-defined objects which store th
How to design a formal and exact model How to design a formal and exact model of real-world problems by applying findings of analysis phase of OMT. The object design phase find
What is the archtetype/instance pattern? The archetype/instance pattern happens when one entity tracks occurrences of another entity. A common example is the relationship among
State the functional approach of object oriented methods Moving from a functional approach to an object oriented one needs a translation of functional model elements into objec
What are the three classes of SQL expression? SQL expression consists of three clauses: Select From Where
Determine Which is not a consequence of concurrent operations? Ans: Update anomaly.
What is indexed sequential file organization? What are the applications of this organization? Ans: An index file can be employed to effectively overcome the problem of storing
What is schema
Mention the several levels in security measures. A) Database system B) Operating system C) Network D) Physical Human
Define blocks? The database system resides eternally on non-volatile storage, and is into fixed-length storage units known as blocks.
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