entity relationship model, Database Management System

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define attribute inheritance with example?

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Question: AirwaysCentre, an international airline booking company currently uses a relational database system for their operations, which includes the following relations: P

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Describe the difference between a one-to-many and a many-to-many relationship. Which logical data structures comprise one-to-many and which comprise many-to-many relationship?

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State about the tables- DBMS, State about the Tables- DBMS Data is sto...

State about the Tables- DBMS Data is stored in columns and rows (much like a spreadsheet -main difference is how data is organised). Every row in a table is known as a record

Explain how the object classes are mapped to tables, Explain how the object...

Explain how the object classes are mapped to tables. Each object class maps to one or more than one tables in the database. The objects in the class may be partitioned horizont

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Explain Foreign Key? Foreign Key - Let there are two relations (tables) R and S. Any candidate key of the relation R that is referred within the relation S is known as the fo

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Order by clause-data manipulation language, Order by clause By usin...

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