Top 100 DBMS MCQ | Database Management System MCQ

In this Video, You will learn Most Important DBMS MCQs Questions with Answers
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DCL....Data Control Language RDBMS...... Relational database Management system 08/10..... Thanks Mam 🙏 Love from Odisha....

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Some of the answers are incorrect ma'am. like what is the oldest database model? It is hierarchical but you said something else. please provide such productive videos after much proofing reading. thank you for the video ma'am. correct me if I am wrong

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The IDS system, which is often presented as the first DBMS, was created by Charles Bachman and was released in 1964. It had a “network” data model, which means that data was stored in a graph-like structure of linked nodes (we will refer to network subclass as NnDBMS later).

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DCL Data control language. Thanks mam

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Q79) wrong correct answer is D) Candidate key A candidate key is a set of columns in a table that uniquely identifies every row within that table. Each candidate key must satisfy two properties: uniqueness and minimality.

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A candidate key is a single attribute that uniquely identifies a record in a table. A super key is a combination of multiple attributes that uniquely identify a row in a table. (Bro achchha se padh lo isko ma'am ka answer sahi hai )

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(DCL)....Data control language

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Candidate key is a single key or a group of multiple keys that uniquely identify rows in a table

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Q71) answer is wrong: correct answer is C) Hierarchical The oldest DB model is the Hierarchical model. It was developed in the 1960s and was one of the earliest models for organizing and representing data in a database. In the Hierarchical model, data is structured in a tree-like manner, where each record (or data element) has a one-to-many relationship with the records below it.

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Full Form Of DCL is a Data Control Language

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DCL full form is data control language

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DCL- data control language

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The IDS system, which is often presented as the first DBMS, was created by Charles Bachman and was released in 1964. It had a “network” data model, which means that data was stored in a graph-like structure of linked nodes (we will refer to network subclass as NnDBMS later).

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Data control language

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DCL-DATA CONTROL LANGUAGE

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27:18 question no 53 wrong answer

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Relational database management system

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In Question 16 I think correct answer will be D.

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Net re dekhidia

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71 answer is wrong right answer Hierarchical

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DCL= Data Control Language.

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[@mallikarjunirapani2495]

Hierarchical databases are the oldest database models

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79 -> a set of attributes which identifies other non prime attributes is key! But its min attribute set is candidate key! So why super key?

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DCL Data Control Language

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snswer of 44 is dml or ddl?

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Data Manipulation Language Therefore, the Data Manipulation Language is used in the application programs while requesting the data from the database management system.

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7/10 😪

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Q71 Wrong Answer

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Foreign kry

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Delete comand is used to remove rows from table you are wrong

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DCL=Data control longuage

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answer of 44 is incorrect?

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Data control language

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Data control language

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Data control language

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