Green city Estates Interview Questions and Answers

Link list program, few objective based on cpp

Q1. Good Core knowledge cpp
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Q2. Pointer, static , constant used in multiple scenario. Oops, STL
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Q1. Basic question about qualification about experience suitable for role or not
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Q1. Oops concepts should be strong.
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Q2. Strong knowledge with c#
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Q3. Asp .net, MVC, web APIs, .net core .
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Q1. Senior lead will take this round and deep knowledge of technology
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Q1. Manager round with skills and experience
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Q1. International call one to one
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Q1. Final discussion for salary and all
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3 online dsa questions easy to medium

SQL Coding Test - asked 5 queries related to joins, ranks, group by

Asked guesstimates, technical CV Question, case

Asked guesstimate, market entry question, case

Q1. What is bug in any application?
Ans. 
A bug in an application is an error, flaw, failure, or fault in the software code that causes it to produce incorrect or unexpected results.
• Bugs can range from simple syntax errors to complex logic issues.

• Common types of bugs include logic errors, syntax errors, and runtime errors.

• Examples of bugs include a calculator app displaying incorrect results, a website crashing when a specific button is clicked, or a game free
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Q1. What is the life cycle of bug?
Ans. 
Bug life cycle includes identification, reporting, fixing, retesting, and closing.
• Identification: Bug is identified by testers during testing.

• Reporting: Testers report the bug to developers.

• Fixing: Developers fix the bug in the code.

• Retesting: Testers retest the fixed bug to ensure it is resolved.

• Closing: Once bug is confirmed fixed, it is closed.
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Q1. Why team bonding is needed for healthy work culture?
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Q1. Javascript and React fundamentals
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Question completely out of domain

Q1. What is the difference between Union and Union all ?
Ans. 
Union combines the results of two or more SELECT statements, while Union all includes all rows, including duplicates.
• Union removes duplicate rows from the result set, while Union all includes all rows.

• Union sorts the result set, while Union all does not.

• Union is slower than Union all because it performs a distinct operation.

• Example: SELECT column1 FROM table1 UNION SELECT column1 FROM table2;

• Example: SELECT column1 FRO
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Q2. Which query is more faster , joins or union?
Ans. 
Joins are generally faster than unions.
• Joins are typically faster than unions because they combine data from multiple tables based on a common column, while unions combine data from multiple queries into a single result set.

• Joins can utilize indexes on the columns being joined, which can improve performance.

• Unions involve combining the results of multiple queries, which can be slower as it requires merging and sorting ...read more
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