What is a database, Database Management System

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What is a database?

Database - Basically in simple terms A database is a collection of inter related data and/or information stored so which it is available to several users for different purposes.


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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)

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Why Like predicate used for? LIKE predicate: The LIKE predicate searches for strings in which have a certain pattern.

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What are the advantages of object ID? The main advantages of Object IDs are as below: i) IDs are not changing  ii) IDs are completely independent of the changes in data v

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Describe Data Manipulation language ? Data Manipulation Language (DML) - A data manipulation language is a language which enables users to access or manipulate data as organize

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Control Files : The redo and control files logs support the rest of the architecture. Every database must have at least one control file, although you have more than one to guard

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Define data model? A data model is a collection of conceptual tools for explaining data, data relationships, data semantics and consistency constraints.

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