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Understanding Cloning and Database Schema Analysis Quiz

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Understanding Cloning and Database Schema Analysis Quiz

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Questions and Answers

Which of the following is NOT a correct statement about Cloning?

Cloning can help to push larger commits.

Cloning is a process that allows the user to add or remove files and fix any existing merge issues.

None of these (correct)

Cloning involves copying the repository from GitHub.com to the local machine. This can be done via the command line or GitHub.com GUI.

All of these

What is the main purpose of Database Design?

Data Modelling

Database schema

Analyzing data objects and their relation (correct)

Data Structure

Which type of architecture is MySQL based on?

Network

Hierarchical

Client/Server (correct)

Object-Oriented

What is one of the reasons for using JOIN in MySQL?

All of these Signup and view all the answers

When is a Cartesian product of two tables returned in MySQL?

NATURAL JOIN Signup and view all the answers

Which operator is used in MySQL when two tables are combined and only non-matching rows are returned from the first query?

EXCEPT Signup and view all the answers

What is the term used to refer to the time taken for the database to respond to any query?

Execution Time Signup and view all the answers

In the context of DBMS, what is the process of improving the performance of data storage resources referred to as?

Storage management Signup and view all the answers

What was XML developed over?

SGML Signup and view all the answers

What does prefixing an element in an XML document with a unique prefix prevent it from being?

overridden Signup and view all the answers

Which feature of JSON ensures communication between two applications designed in different programming languages?

Interoperability Signup and view all the answers

What part of a JSON data structure is always enclosed in double quotes?

Key Signup and view all the answers