Category: Database


    ALGEBRA In┬áRELATIONAL DATABASE MANAGEMENT SYSTEM Relational Algebra Operators are mathematical functions used to retrieve queries by describing a sequence operations on tables or even databases(schema) involved. With relational algebra operators, a query is always composed of a number of operators, which each in turn are composed of relations as variables and return an individual abstraction […]

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  • RDBMS, OODBMS and ORDBMS with the Comparison

    Comparing the RDBMS with the OODBMS: These two types of data modeling is represented by the encapsulation(binds together the data and functions that manipulate the data, and that keeps both safe from outside interference and misuse) in the object of both is state and behavior with the object oriented model, while with the relational model […]

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