entity relationship, Database Management System

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how to write tables and drow E-R diagrams for hosiptal management system and how to normalize and cardinalities?

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Aggregation Aggregation is stronger form of association. It represents the "has-a" or "part-of" relationship. An aggregation association depicts a complex object which is comp

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Explain the term- Query. Queries are used to repossess and show specific records in a table. They can also be used to show specific fields of specific records, which meet the co

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What is the full form of DDL? DDL is stand for Data Definition Language.

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What are the types of reference?explain it with suitable examples? Object oriented language given the ability to refer the object attribute of the type can be referred to the s

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