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Explain the concepts of relational data model? Relational Data Model - The relational model was first introduced through Prof. E.F. Codd of the IBM Research in the year 1970
what are the main characteristics of database
what is object-identity
what is cascading? what is rollback cascading? please explain in detail
Three way to handle missing field val
word limit no mentioned
Reflects organisational structure: Many organizations are distributed over various locations. If an organisation has many offices in dissimilar cities, databases used in such an ap
What is System R? What are its two major subsystems? System R was intended and developed over a period of 1974-79 at IBM San Jose Research Center. It is a prototype and its pur
Explain the challenges before an E-business management.
as a customer service employee, explain five measures you would recommend a displeased student to patronise a school canteen
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