RAGHUNATH SINGH

Intern

Practicing since October 20261-day streak

Points

305

Questions solved

13

Projects finished

1

Longest streak

2 days

Badges

• First question
• 10 questions
• First project

Skills

Skill map

Every topic in the question bank, and how much of each one RAGHUNATH has worked through.

• Query foundations

  Learning · 6 of 61

  Reading a table and asking it a straight question.

  • Dates0/16
  • Conditional logic0/11
  • Strings0/11
  • Filtering6/7
  • NULL handling0/7
  • Calculations0/5
  • Logical operators0/4

• Combining data

  Not started · 0 of 22

  Putting tables together without losing or duplicating rows.

  • Joins0/13
  • Subqueries0/5
  • Reshaping0/3
  • Deduplication0/1

• Aggregation and windows

  Learning · 1 of 26

  Summarizing, ranking and comparing rows against their group.

  • Aggregations0/13
  • Window functions1/10
  • Ranking0/2
  • Running totals0/1

• Python foundations

  Learning · 5 of 21

  The data structures every Python interview leans on.

  • Arrays1/6
  • Lists1/5
  • Tuples0/3
  • Dictionaries1/3
  • Math2/3
  • Sorting0/1

• Algorithms

  Learning · 1 of 17

  The patterns behind the timed screening rounds.

  • Hashing0/8
  • Two pointers0/4
  • Binary search1/4
  • Sliding window0/1

Projects

• Wayfair · Data Analytics Project · easyE-commerce Sales Analysis

  Clean two years of online store orders and turn them into a clear sales review for next year's plan.

  Project pageCode