Signant Health Senior Accounts Executive Interview Questions and Answers

Easy 1 coding
Medium 1 coding
It was about arrays and sorting techniques and other is about your common sense

Q1. Mainly about core java
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Q2. Mainly about SQL , My SQL and different type of joins etc
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Q1. Wildcard in excel
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Wildcard in Excel is a symbol used to represent one or more characters in a search string.
• Wildcards include * (asterisk) for multiple characters and ? (question mark) for a single character.

• Example: 'te*t' can match 'test' or 'text'.

• Wildcards are commonly used in functions like VLOOKUP and SUMIF.
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Q1. Basic to Intermediate SQL Based questions
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Q2. Basic to Intermediate Python Based questions
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1 python question and 1 sql question for coding and rest were the mcqs based on sql and python.

Q1. Python code was asked for checking the anagrams
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This code checks if two strings are anagrams by comparing sorted characters or using a frequency count.
• An anagram is a word formed by rearranging the letters of another, e.g., 'listen' and 'silent'.

• Method 1: Sort both strings and compare. Example: sorted('listen') == sorted('silent').

• Method 2: Count character frequencies using collections.Counter. Example: Counter('listen') == Counter('silent').

• Consider case sensitivit...read more
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Q2. Sql code asked to solve on screen share using various use cases like group by, having, count
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SQL code using GROUP BY, HAVING, and COUNT to analyze data effectively.
• GROUP BY aggregates data based on specified columns. Example: SELECT department, COUNT(*) FROM employees GROUP BY department;

• HAVING filters aggregated data. Example: SELECT department, COUNT(*) FROM employees GROUP BY department HAVING COUNT(*) > 10;

• COUNT() function counts rows or non-null values. Example: SELECT COUNT(*) FROM sales WHERE amount ...read more
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Q1. Python code was asked for swaping any number but without using python libraries
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Q2. Sql code was asked using concepts of rank dense,rank, partition by
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SQL ranking functions help categorize data into ranks, with options for dense ranking and partitioning for grouped analysis.
• RANK() assigns a unique rank to each row within a partition, with gaps for ties. Example: RANK() OVER (PARTITION BY department ORDER BY salary DESC).

• DENSE_RANK() also assigns ranks but without gaps for ties. Example: DENSE_RANK() OVER (PARTITION BY department ORDER BY salary DESC).

• PARTITION BY div...read more
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Hard 2 questions in 45 mins

Hackerra test with sql ,python coding and theory

Sql advanced coding round

Python basic coding test

Q1. General discussion
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Q1. How to remove duplicate values from dataset
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Q2. Difference between zip and enumerate
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zip is used to combine two lists into a list of tuples, while enumerate is used to add a counter to an iterable.
• zip function takes two lists and combines them into a list of tuples

• enumerate function adds a counter to an iterable and returns it as an enumerate object

• Example for zip: zip([1, 2, 3], ['a', 'b', 'c']) will result in [(1, 'a'), (2, 'b'), (3, 'c')]

• Example for enumerate: enumerate(['apple', 'banana', 'cherry']...read more
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