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In the architecture of a database system which external level used? In the architecture of a database system view external level used.
Super keys of a relation can have extra attributes. Candidate keys are minimal super key, i.e. such a key have no extraneous attribute. An attribute is known as extraneous if even
What is conceptual schema? The schemas at the view level are known as subschema that describe dissimilar views of the database.
Critically explained the benefits and limitations of different database technologies with proper examples
I want a professional with strong IT background who provide me timely assignments Project Description: I want a professional who can do my assignments for my major i.e. Infor
Process of normalization is the integral part of designing a database. Justify this statement with suitable database design
Consider the entity type dependent related to employee entity, which is used to keep track of the dependents of every employee. The attributes of dependents are: name, sex, birth d
What is schema
Data slice explanation
Primary index A primary index is a file that has a sorted series of records having two columns: a block address for that key field in the data file; and the ordering key field.
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