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Simple test for DSA php machine learning
I applied via Approached by Company and was interviewed in Jun 2024. There was 1 interview round.
Find the pair of numbers in the array whose sum is equal to target value
I applied via Approached by Company and was interviewed in Oct 2023. There were 3 interview rounds.
I applied via Approached by Company and was interviewed in Oct 2023. There were 3 interview rounds.
TransUnion interview questions for popular designations
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Get interview-ready with Top TransUnion Interview Questions
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I applied via Naukri.com and was interviewed in Aug 2023. There were 4 interview rounds.
Regression is a software testing technique used to ensure that new code changes do not negatively impact existing functionality.
Regression testing involves re-running previously executed test cases to verify that new code changes have not introduced any new bugs or issues.
It helps ensure that the software continues to function correctly after modifications.
Regression testing can be automated to save time and effort.
Exa...
I applied via Approached by Company and was interviewed in Sep 2023. There was 1 interview round.
Use the DISTINCT keyword in a SELECT statement to remove duplicates in SQL.
Use the DISTINCT keyword in a SELECT statement to retrieve unique rows
Use GROUP BY clause with aggregate functions like COUNT() to remove duplicates based on specific columns
Use ROW_NUMBER() function with PARTITION BY clause to remove duplicates and keep only one row
Different types of joins in SQL include inner join, outer join, left join, and right join.
Inner join: Returns rows when there is a match in both tables
Outer join: Returns all rows when there is a match in one of the tables
Left join: Returns all rows from the left table and the matched rows from the right table
Right join: Returns all rows from the right table and the matched rows from the left table
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