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I applied via Naukri.com and was interviewed before May 2023. There were 3 interview rounds.
I applied via Campus Placement and was interviewed in Feb 2023. There were 2 interview rounds.
Tuples are immutable sequences of elements. A string can be converted to a tuple using the tuple() function.
Tuples are similar to lists but are immutable
Elements of a tuple are enclosed in parentheses ()
A string can be converted to a tuple using the tuple() function
Each character in the string becomes an element in the tuple
Left join is a type of join operation in SQL that returns all the rows from the left table and matching rows from the right table.
Left join is performed using the 'left join' keyword in SQL
In Python, left join can be performed using the 'merge' function from the pandas library
Syntax: pd.merge(left_dataframe, right_dataframe, how='left', on='key_column')
Example: pd.merge(df1, df2, how='left', on='id')
I applied via Referral and was interviewed before Nov 2023. There were 3 interview rounds.
HashMap is a data structure that stores key-value pairs and provides constant time complexity for basic operations.
HashMap allows quick access to values based on their keys
Keys must be unique and values can be duplicated
HashMap is not thread-safe and requires synchronization for concurrent access
Java's HashMap implementation uses hashing to distribute keys across buckets
Equifax interview questions for popular designations
I was interviewed before Feb 2024.
Get interview-ready with Top Equifax Interview Questions
I was interviewed before Feb 2024.
Inner join returns only the rows that have matching values in both tables, while left join returns all rows from the left table and the matched rows from the right table.
Inner join: returns rows where there is a match in both tables
Left join: returns all rows from the left table and the matched rows from the right table
Example: Inner join - SELECT * FROM table1 INNER JOIN table2 ON table1.id = table2.id
Example: Left jo...
I applied via Referral and was interviewed before May 2023. There were 3 interview rounds.
There were 3 rounds for data science consultant position at Equifax. 1st round consists of Python and SQL questions and also in this round they have tested analytical thinking as well.
In 2nd round they have asked me questions from my resume and asked me to explain the projects which I have worked on in previous company. In this round they have asked me pandas related questions and asked me write code.
I applied via Naukri.com and was interviewed before Feb 2023. There were 4 interview rounds.
Math , gk, english
AI
I applied via Recruitment Consultant and was interviewed in May 2021. There were 3 interview rounds.
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