sushma vallabhaneni

Junior Analyst

Has solved a first real set of interview questions.

Practicing since October 20267-day streak

Points

925

Questions solved

27

Projects finished

0

Longest streak

7 days

Badges

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

Skills

Skill map

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

• Query foundations

  Learning · 9 of 69

  Reading a table and asking it a straight question.

  • Dates1/16
  • Conditional logic5/12
  • Strings0/11
  • Calculations0/10
  • NULL handling1/9
  • Filtering2/7
  • Logical operators0/4

• Combining data

  Learning · 3 of 36

  Putting tables together without losing or duplicating rows.

  • Joins1/15
  • Reshaping0/15
  • Subqueries2/5
  • Deduplication0/1

• Aggregation and windows

  Learning · 13 of 71

  Summarizing, ranking and comparing rows against their group.

  • Window functions2/32
  • Ranking6/15
  • Aggregations1/14
  • Running totals4/10

• Python foundations

  Learning · 2 of 21

  The data structures every Python interview leans on.

  • Arrays0/6
  • Lists1/5
  • Tuples0/3
  • Dictionaries1/3
  • Math0/3
  • Sorting0/1

• Algorithms

  Not started · 0 of 17

  The patterns behind the timed screening rounds.

  • Hashing0/8
  • Two pointers0/4
  • Binary search0/4
  • Sliding window0/1

Certificates

• Junior Analyst

  Earned Nov 3, 2026

  Open certificate

Projects

No Data Labs projects posted yet.