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Increases efficiency: Data is stored close to most often used site, therefore retrieval would be faster. Also, data that is not required by local applications is not stored, therefore the size of data to be looked into is smaller.
Which is another name for weak entity? Child is another name of weak entity.
What is conceptual schema? The schemas at the view level are known as subschema that describe dissimilar views of the database.
please i request for your assistance in developing a case-based online phone repair
Draw an ER diagram for company''s database schema
In E-R Diagram how relationship type is represented ? In E-R Diagram relationship type is represented as a Diamond.
Project Description: Oracle Certified Professional with 20 years of practice, Oracle version 6.0.34, 7.3, 8.0, 8i, 9i, 10G, 11G, 12C. Crossplatform migration, Informix, MSSql
Explain degree of relation? Degree of a Relation - The degree or arity of a relation is the number of attributes n of its relation schema.
basic structure of xml
I need to Map an E-R diagram to a relational schema
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
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