Artech Infosystems Software Developer Interview Questions and Answers

Q1. Difference between Procedure, Packages and functions.
Ans. 
Procedures, Packages and Functions are all subprograms in PL/SQL with different characteristics.
• Procedures are subprograms that perform a specific task and may or may not return a value.

• Functions are subprograms that always return a value and can be used in SQL statements.

• Packages are a collection of related procedures, functions, variables, and other program constructs that can be used as a single unit.

• Packages provid...read more
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Q2. If table or view does not exist what does it mean
Ans. 
It means that the table or view does not exist in the database.
• The query will fail and return an error message.

• The application may crash or behave unexpectedly.

• The table or view may have been deleted or renamed.

• Check the spelling and syntax of the query.

• Make sure the database connection is established and valid.
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Q3. Difference Between Views and Materialized Views
Ans. 
Views are virtual tables while Materialized Views are physical tables.
• Views are created using SELECT statement while Materialized Views are created using CREATE MATERIALIZED VIEW statement.

• Views do not store data while Materialized Views store data.

• Views are updated dynamically while Materialized Views are updated manually or automatically based on refresh settings.

• Materialized Views are faster for read-heavy workloads...read more
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Q1. Details explanation about the projects and the concepts what we used.
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Q1. Polymorphism ..Pure virtual function ..oops concept ..Design pattern ..Smart printer STL
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Basic aptitude reasoning

Core js angular react

Q1. Expectations regarding the job and salary
Ans. 
I expect challenging projects, opportunities for growth, competitive salary based on experience and skills.
• Expect to work on challenging projects that will help me grow as a developer

• Opportunities for career advancement and skill development

• Expect a competitive salary based on my experience and skills

• Looking for a supportive work environment with opportunities for collaboration and learning
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Q2. Performance and location based questioning
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Q1. Basic core Java question.
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Q1. Bout your project
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Q2. About technical skills
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Q3. About handling problems
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Q4. Technical questions
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Q5. Namdjjdjdjdjdjf
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Q1. Database query of MySQL
Ans. 
MySQL database query
• Use SELECT statement to retrieve data from tables

• Use WHERE clause to filter data based on conditions

• Use JOIN to combine data from multiple tables

• Use ORDER BY to sort data in ascending or descending order

• Use LIMIT to limit the number of rows returned
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Q2. About React.js what is axios call, workflow of connection made with backend
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30 min .. time, speed, distance

Normal easy qus via leetcode