Monocept Interview Questions and Answers

Q1. Difference between Group by and Having
Ans. 
Group by is used to group rows that have the same values into summary rows, while Having is used to filter groups based on a specified condition.
• Group by is used with aggregate functions to group rows based on one or more columns.

• Having is used to filter groups based on a specified condition after the group by operation.

• Group by is used before the Having clause in a SQL query.
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Q2. Writting SQL queries based on joins
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Q3. Optimizing queries in SQL
Ans. 
Optimizing queries in SQL involves using indexes, limiting the use of wildcards, and avoiding unnecessary joins.
• Use indexes on columns frequently used in WHERE clauses to improve query performance.

• Avoid using wildcards at the beginning of a LIKE statement as it prevents the use of indexes.

• Minimize the number of joins in a query to reduce the amount of data that needs to be processed.
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Q1. Behavioural questions
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Q2. Reason for switch
Ans. 
Seeking new challenges and growth opportunities in data analysis field.
• Desire to work with larger datasets and more complex analysis

• Interest in learning new tools and technologies in data analysis

• Seeking a more collaborative and dynamic work environment

• Opportunity for career advancement and professional development
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Q1. Project Flow of the existing project
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The project flow of the existing project involves multiple stages and processes to ensure successful completion.
• The project starts with the initiation phase where goals and objectives are defined.

• Next, the planning phase involves creating a detailed project plan outlining tasks, timelines, and resources.

• The execution phase involves carrying out the project plan and completing the tasks.

• During the monitoring and control...read more
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Q2. Java collections
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Project architecture must be explained.

Q1. Different between state less & state ful?
Ans. 
Stateful retains information about the state of a system, while stateless does not store any state information.
• Stateful systems store information about previous interactions, while stateless systems do not.

• Stateful systems require more resources to maintain state information, while stateless systems are more scalable.

• Examples of stateful systems include traditional web applications with session management, while statel
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Q2. Use of widget flutter binding?
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Flutter binding is used to connect Flutter widgets to the underlying platform code.
• Flutter binding is responsible for rendering widgets on the screen and handling user input.

• It provides a bridge between the Dart code and the platform-specific code (e.g. Android or iOS).

• Flutter binding ensures that the widgets are displayed correctly and respond to user interactions.

• Examples of Flutter binding include the rendering engi
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