Indus Net Technologies Software Engineer Interview Questions, Process, and Tips for Experienced

Q1. Are you comfortable to change the job profile from frontend to backend
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Q2. Can you relocate to kolkata?
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Q1. What's charecteristics of oops?
Ans. 
Characteristics of OOP include encapsulation, inheritance, polymorphism, and abstraction.
• Encapsulation: Bundling data and methods that operate on the data into a single unit.

• Inheritance: Ability to create new classes based on existing classes.

• Polymorphism: Ability to use a single interface for different data types or classes.

• Abstraction: Hiding the implementation details and showing only the necessary features.
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Q2. Diffrence between dynamic and object?
Ans. 
Dynamic refers to runtime behavior while object refers to a specific instance of a class.
• Dynamic behavior is determined at runtime, while objects are instances of classes

• Dynamic programming languages allow for dynamic behavior, while objects are static entities

• Examples: In Python, dynamic behavior can be seen with dynamic typing, while objects are created using classes and instantiated as objects
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Q3. What is finilize and compose.
Ans. 
finalize and compose are methods used in software development to manage resources and create complex objects.
• finalize is a method in Java used for cleanup operations before an object is garbage collected

• compose is a design pattern where objects are combined to create a more complex object

• finalize is discouraged to be used in modern Java due to unpredictability
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Q4. What is indexs?
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Indexes are data structures that improve the speed of data retrieval operations in databases.
• Indexes are used to quickly locate data without having to search every row in a database table.

• They are created on columns in a database table to speed up the data retrieval process.

• Examples of indexes include primary keys, unique keys, and non-unique keys.
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Q5. How to delete duplicate records from sql.
Ans. 
Use a SQL query with a GROUP BY clause to delete duplicate records.
• Use a SELECT statement with a GROUP BY clause to identify the duplicate records.

• Use the DELETE statement with a subquery to delete the duplicate records.

• Make sure to keep the record with the lowest ID or timestamp if needed.
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Q6. What is the difference between views and temp table?
Ans. 
Views are virtual tables generated from a query, while temp tables are physical tables stored in tempdb for temporary use.
• Views are saved queries that act as virtual tables, while temp tables are physical tables stored in tempdb.

• Views are not stored physically on disk, while temp tables are stored in tempdb.

• Views are used for simplifying complex queries and providing security, while temp tables are used for storing tem...read more
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Basic aptitude test with reasonings

DSA related coding probleme

Q1. Questions regarding Sql, c, html css and basic coding optimisation
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Q2. What is join in sql?
Ans. 
Join in SQL is used to combine rows from two or more tables based on a related column between them.
• Join is used to retrieve data from multiple tables based on a related column

• Types of joins include INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL JOIN

• Example: SELECT * FROM table1 INNER JOIN table2 ON table1.column = table2.column
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Q3. How many types of join?
Ans. 
There are four types of joins in SQL: INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL JOIN.
• INNER JOIN: Returns rows when there is at least one match in both tables.

• LEFT JOIN: Returns all rows from the left table, and the matched rows from the right table.

• RIGHT JOIN: Returns all rows from the right table, and the matched rows from the left table.

• FULL JOIN: Returns rows when there is a match in one of the tables.
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Q4. Html page starts with which tag?
Ans. 
Html page starts with the <html> tag.
• Html page starts with the <html> tag.

• The <html> tag defines the root of an HTML document.

• All other HTML elements must be nested inside the <html> tag.
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Q1. Simple discussion about yourself and future in organization
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Q1. There was two round of Technical Interview and My Interview had on PHP & MySQL. - They have asked me about PHP OOP Concept. - They Have asked difference between Authentication and Authorization - They have...read more
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Q2. After Clear two round of technical discussion there was an HR round
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Q1. This round was held with Project Manager with the knowledge of PHP tech stack again and project discussion.
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Q2. After clear these two round HR round was there where they have discussed with Salary and offer letter etc.
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