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Python and ML questions
I applied via Campus Placement and was interviewed before Mar 2023. There were 2 interview rounds.
45 mins test on Logical thinking, Quants
Python function to remove duplicates from a list of strings
Use set() to remove duplicates from the list
Convert the set back to a list to maintain the order of elements
Example: def remove_duplicates(input_list): return list(set(input_list))
I applied via Naukri.com and was interviewed before Feb 2023. There was 1 interview round.
DUNNHUMBY IT SERVICES INDIA interview questions for popular designations
I applied via Naukri.com and was interviewed before Jul 2022. There were 5 interview rounds.
Hacker Rank python coding test
I applied via Walk-in and was interviewed before Mar 2022. There were 5 interview rounds.
Mcq test has been taken and there will be coding round as well.
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I am a recent graduate with a degree in Computer Science and a passion for coding and problem-solving.
Recent graduate with a degree in Computer Science
Passionate about coding and problem-solving
Experience with programming languages such as Java, Python, and C++
Completed internships at tech companies like Google and Microsoft
I have a Bachelor's degree in Computer Science with a focus on software development.
Bachelor's degree in Computer Science
Focus on software development
Completed relevant coursework in algorithms, data structures, and programming languages
I am proficient in Java, Python, and SQL.
Java
Python
SQL
posted on 27 Sep 2024
I applied via Referral and was interviewed in Aug 2024. There were 2 interview rounds.
To find the second highest salary in a database table, you can use a SQL query with the ORDER BY and LIMIT clauses.
Use a SQL query with ORDER BY clause to sort the salaries in descending order.
Use LIMIT 1,1 to retrieve the second highest salary.
Example: SELECT salary FROM employees ORDER BY salary DESC LIMIT 1,1;
Left join includes all records from the left table and matching records from the right table. Right join includes all records from the right table and matching records from the left table.
Left join: Returns all records from the left table and the matched records from the right table.
Right join: Returns all records from the right table and the matched records from the left table.
Example: Left join - SELECT * FROM table1...
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