Database Management System


 
 
Concept Explanation
 

Database Management System (DBMS)

What is Database?

The database is a collection of inter-related data which is used to retrieve, insert and delete the data efficiently. It is also used to organize the data in the form of a table, schema, views, and reports, etc.For Example, a university database organizes the data about students, faculty, admin staff, etc. which helps in the efficient retrieval, insertion, and deletion of data from it.

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Sample Questions
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Question : 1

Which of the following statement is incorrect about Data Dictionary?

(i) A data dictionary contains metadata.

(ii) The data dictionary is very important as it contains information.

(iii) The users of the database normally interact with the data dictionary.

Right Option : B
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Question : 2

Which of the following contains data descriptions and defines the name, data type and length of each field in the database?

Right Option : A
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Question : 3

What is the overall term for creating, editing, formatting, storing, retrieving a text document ?  

Right Option : D
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