ER Diagram, Database Management System

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Soccer player ER Diagram to Relational database schema

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What is an index? An index is a structure that helps to place desired records of a relation quickly, without probing all records.

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Using the concepts defined previous, we have identified that strong entities in COLLEGE database are FACULTY, STUDENT, COURSE and DEPARTMENT. This database also has one weak entity

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What is Derived and stored Attribute? Derived and Stored Attribute - In a few cases, two or more attribute values are associated, for example, Age and BirthDate attributes of a

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What are the aggregate objects in the data dictionary? Views Match codes Lock objects.

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Question: (a) Define the term e-Government and briefly explain, using appropriate examples, the aspects it covers. (b) Give four reasons as to why a country should adopt e

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Question: (a) Discuss the difference between a composite key and a composite attribute. How would each be indicated in an E-R diagram? Support your answer with appropriate exam

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What is a hash index? A hash index organizes the search keys, with their associated pointers, into a hash file structure.

Field, examples of fields in a database

examples of fields in a database

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Give short note on the following terms:Dirty pages and ETL a.) Dirty pages. These are buffer pages which comprise modifications which haven't been written to disk. b.

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