Gammastack Solution Engineer Interview Questions and Answers

Q1. Introduce yourself
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I am a passionate Solution Engineer with a strong background in technology and problem-solving, dedicated to delivering innovative solutions.
• Over 5 years of experience in solution engineering, focusing on customer needs and technical requirements.

• Proficient in various programming languages, including Python and Java, which I use to develop tailored solutions.

• Successfully led a project that improved system efficiency by...read more
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Q1. Design schema for a ludo game
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A schema for a Ludo game includes players, game state, and board configuration to manage gameplay effectively.
• Players: Each player has a unique ID, name, and color (e.g., Player 1: {id: 1, name: 'Alice', color: 'Red'}).

• Game State: Tracks the current state of the game (e.g., {status: 'in_progress', currentTurn: 1}).

• Board Configuration: Represents the board layout, including home positions and safe zones (e.g., {home: [0...read more
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Q2. What are ACID properties
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ACID properties ensure reliable transactions in databases, maintaining data integrity and consistency.
• Atomicity: Transactions are all-or-nothing. Example: If a bank transfer fails, no money is deducted.

• Consistency: Transactions bring the database from one valid state to another. Example: A transaction must not violate any database rules.

• Isolation: Transactions occur independently. Example: Two transactions should not i...read more
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Q3. Difference between sql and nosql db
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SQL databases are structured and relational, while NoSQL databases are unstructured and flexible.
• SQL databases use structured query language (e.g., MySQL, PostgreSQL).

• NoSQL databases are schema-less and can store unstructured data (e.g., MongoDB, Cassandra).

• SQL databases are ideal for complex queries and transactions.

• NoSQL databases excel in scalability and handling large volumes of data.

• SQL databases enforce ACID prop...read more
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Q4. What are transactions
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Transactions are sequences of operations performed as a single logical unit of work, ensuring data integrity and consistency.
• A transaction must be atomic, meaning it either completes fully or not at all.

• Transactions are often used in databases to manage changes, like transferring funds between accounts.

• They follow the ACID properties: Atomicity, Consistency, Isolation, Durability.

• Example: In a banking system, transferr...read more
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Q5. What are promises
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Promises are objects in JavaScript that represent the eventual completion or failure of an asynchronous operation.
• A promise can be in one of three states: pending, fulfilled, or rejected.

• Example: A promise is created using 'new Promise()' and can be resolved or rejected based on the outcome of an async operation.

• Promises allow chaining with '.then()' for success and '.catch()' for error handling.

• Example: fetch('url').t...read more
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Q1. Basic questions about the programming languages like Java, Python etc
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Q1. Questions based on Data Structures and some Easy-Medium level coding questions
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Q1. Tell me about yourself and your hobbies
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Q2. Discussion on hobbies
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3 coding program for campus drive selection

Q1. Pattern program using recursion. Suffix-prefix array based coding question. Few puzzles for logical thinking.
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Q1. Basic detail and got selected.
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