NILESH GORAI

Junior Analyst

Has solved a first real set of interview questions.

Practicing since September 20266-day streak

Points

805

Questions solved

41

Projects finished

0

Longest streak

6 days

Badges

• First question
• 10 questions
• 25 questions
• 3-day streak

Skills

Skill map

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

• Query foundations

  Learning · 9 of 69

  Reading a table and asking it a straight question.

  • Dates3/16
  • Conditional logic1/12
  • Strings5/11
  • Calculations0/10
  • NULL handling0/9
  • Filtering0/7
  • Logical operators0/4

• Combining data

  Learning · 9 of 36

  Putting tables together without losing or duplicating rows.

  • Joins4/15
  • Reshaping4/15
  • Subqueries0/5
  • Deduplication1/1

• Aggregation and windows

  Learning · 5 of 71

  Summarizing, ranking and comparing rows against their group.

  • Window functions1/32
  • Ranking4/15
  • Aggregations0/14
  • Running totals0/10

• Python foundations

  Working on it · 13 of 21

  The data structures every Python interview leans on.

  • Arrays5/6
  • Lists2/5
  • Tuples1/3
  • Dictionaries2/3
  • Math3/3
  • Sorting0/1

• Algorithms

  Learning · 5 of 17

  The patterns behind the timed screening rounds.

  • Hashing3/8
  • Two pointers0/4
  • Binary search1/4
  • Sliding window1/1

Certificates

• Junior Analyst

  Earned Oct 27, 2026

  Open certificate

Projects

No Data Labs projects posted yet.