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Coding Interview Questions
A Link List is a linear data structure where each element is a separate object with a pointer to the next element.
Consists of nodes that contain data and a pointer to the next node
Can be singly linked or doubly linked
Used for dynamic memory allocation, implementing stacks, queues, and hash tables
Example: Singly linked list - 1 -> 2 -> 3 -> null
Example: Doubly linked list - null <- 1 <-> 2 <-> 3 -> null
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I applied via Naukri.com and was interviewed before Apr 2020. There were 3 interview rounds.
SCD Type 2 is a technique used to track historical changes in data over time in a data warehouse.
SCD Type 2 maintains a separate row for each change in data, with a start and end date.
It requires a surrogate key to uniquely identify each row.
Informatica provides a built-in SCD Type 2 transformation to implement this technique.
Example: tracking changes in customer addresses over time.
I applied via Campus Placement and was interviewed before Nov 2021. There were 3 interview rounds.
Moderate level aptitude with basics
Moderate level data structure questions
I have a strong background in software engineering and a passion for innovation, making me a valuable asset to HSBC.
I have a proven track record of successfully delivering high-quality software solutions in previous roles.
I am highly skilled in various programming languages and technologies, including Java, Python, and SQL.
I have experience working in agile development environments, allowing me to adapt quickly to chan...
I applied via Naukri.com and was interviewed before Oct 2019. There was 1 interview round.
I applied via Campus Placement and was interviewed before Sep 2020. There were 5 interview rounds.
I applied via LinkedIn and was interviewed before Aug 2020. There were 3 interview rounds.
I applied via Recruitment Consultant and was interviewed in Dec 2020. There was 1 interview round.
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