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Object-based Models: Use objects as key data representation components.
Examples:-
a need some real life examples of database management systems three level of ANSI SPARC architecture life teacher and student ,company and employee or for NGO etc.
Lost Updates : Suppose the two transactions T3 and T4 run simultaneously and they happen to be interleaved in the following way (suppose the initial value of X as 10000):
Question 1 Describe the following- Clustering Indexing Question 2 Explain the following with suitable real time examples- Implementation of Integrity rules
joins
Explain the term - Adjustment of inheritance The inheritance can be enlarged as object design progresses by changing class structure. The designer should do: i) Adjust or r
Explain I command in QBE ? I : It is the command in QBE that is used to insert tuple (s) into the database
Problem 1. Describe the Oracle Architecture with a neat labeled diagram, Also explain the individual components of the Architecture. 2. Write about the following Oracle 9i o
what is view?explain
In which relational modes, cardinality is termed? Answer : Cardinality is termed in a number of tuples relational modes.
Why did SAP introduce the extended star schema? Explain why it is reported to be better than the traditional schema model?
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