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What is inheritance?
Inheritance is an object orientation concept that allows reusability of code / design. Basic sense of inheritance is that if one class is predefined than another class which also passes property of existing class can be defined and can inherit the property of existing class. Such as, if a class named student is defined and another class for Post Graduate students is to be defined then PG Student class could inherit student class.
1. Will you advise that your organization uses open source software and why? 2. Why is it important for business managers to have a basic understanding of the software development
What is known as a search key? An attribute or set of attributes used to look up records in a file is known as a search key.
how to implement hyrise in C plus plus
With the help of a suitable diagram gives module wise explanation of system architecture of DBMS.on..
Adding Redundant Associations for Efficient Access The expression redundant association means using "duplicate association for proficient access". While analysis, it is not a
In a relational model how relations are termed? In a relational model, relations are termed as tables. (The term ‘relation’ is the technical name of the ‘table’ in RDBMS)
Write short notes on Schema diagram. A database schema along with primary key and foreign key dependencies can be depicted pictorially by schema diagram. Every relation appea
Question: In relation to distributed database answer the following questions: (i) Give a brief definition of distributed database. Support your answer with an appropriate di
What is first normal form? The domain of attribute must contain only atomic (simple, indivisible) values.
What is Explicit update In explicit update, each derived attribute is defined with respect to one, or more fundamental base object(s). The object designer determines that de
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