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State the terms Designing the database and Normalization
Designing the database: Out of the ERD we have formed, it is very easy to verify the tables, the attributes which the tables must contain and the relationship between these tables.
Normalization: This is a process of removing dissimilar kinds of impurities from the tables we have just created in the above step..
What is conceptual schema? The schemas at the view level are known as subschema that describe dissimilar views of the database.
What are called multilevel indices? Indices with two or more levels are known as multilevel indices.
What is the function of IO/M signal in the 8085? It is a status signal. It is used to differentiate among memory locations and I/O operations. When this signal is low (IO/M = 0
What is meant by computing the closure of a set of functional dependency? The closure of F denoted by F + is the set of functional dependencies logically implied by F.
What is multiplicity in the associations? Give an example to explain multiplicity? Multiplicity in association indicate number of objects participate in any relationship. For
To delete a particular column in a relation which command is used ? To delete a particular column in a relation ALTER command is used.
Define data model? A data model is a collection of conceptual tools for explaining data, data relationships, data semantics and consistency constraints.
What benefits can a company gain by managing its own information infrastructure and servicea
give me a diagram about physical or internal level
please describe the data base management with the easy example &give the application?
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