Goldman Sachs Interview Questions, Process, and Tips

Q1. Leetcode program hard and easy
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Write a program to analyze logs of the application

Q1. Difference between SQL and NoSQL
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SQL is a traditional relational database management system, while NoSQL is a non-relational database system.
• SQL is structured, uses tables with predefined schema, and is good for complex queries.

• NoSQL is unstructured, uses collections or documents, and is good for large amounts of data with simple queries.

• SQL is ACID compliant, ensuring data integrity, while NoSQL is BASE (Basically Available, Soft state, Eventually co...read more
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Q2. Reverse a linked list recursively
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Reverse a linked list recursively by swapping pointers
• Start by checking if the current node is null or the next node is null

• If so, return the current node as it is the new head of the reversed list

• Otherwise, recursively call the function on the next node and swap pointers
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Q3. Implement a min stack
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A min stack is a stack data structure that supports the usual push and pop operations, along with an additional operation to retrieve the minimum element in constant time.
• Create a stack to store the elements and another stack to store the minimum values encountered so far.

• When pushing an element, check if it is smaller than the current minimum. If so, push it onto the minimum stack.

• When popping an element, check if it ...read more
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Q4. Implement two stacks in a single array
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Implement two stacks in a single array using two different approaches
• Divide the array into two halves and use one half for each stack

• Use two pointers, one for each stack, and move them towards each other as elements are pushed or popped

• Consider edge cases like stack overflow and underflow
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Q5. Was asked to write an sql query involing group by and joins
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Dynamic Programming graph

Q1. Sql query to find second highest
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Use a subquery to find the second highest value in a SQL table.
• Use a subquery to select the maximum value from the table.

• Then use another subquery to select the maximum value that is less than the maximum value found in the first subquery.
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Q2. Collection in java
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Collections in Java are classes that hold multiple elements. They provide various data structures like lists, sets, maps, etc.
• Collections framework provides interfaces like List, Set, Map, Queue, etc.

• ArrayList and LinkedList are examples of List implementations.

• HashSet and TreeSet are examples of Set implementations.

• HashMap and TreeMap are examples of Map implementations.

• Collections provide methods for adding, removing
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It was a quite good exp and i clerd that round and i got an offer in those in that company company company company company

Q1. First round was self intro
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Q2. Coding questiond
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Q1. Salary exp and high
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Q2. Salary exp in high
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I have experience with high salary expectations.
• I have experience negotiating high salaries based on my skills and experience.

• I have successfully secured high salary offers in previous roles.

• I am confident in my ability to justify and negotiate for a high salary based on market rates and my qualifications.
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