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FEATURED TAGS
Cryptography
Data Science
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235 Kata Found
Beta
They’ll Be Back… or Will They? Finding Real Subscriber Churn
6
bornForThis
Status:
Ranking feedback needed
Estimated Rank:
4 kyu
SQL
Databases
6 kyu
Conditional Count
7,629
pmatseykanets
2 Issues Reported
SQL
Fundamentals
Databases
5 kyu
Relational division: Find all movies two actors cast in together
7,822
pmatseykanets
1 Issue Reported
Fundamentals
Databases
SQL
7 kyu
SQL: Party Votes in N-Prefixed States
110
x4g4p3x
SQL
Databases
Strings
Beta
Count Voters with High School Diplomas per Party
15
x4g4p3x
2 Issues Reported
Status:
Waiting for issues to be resolved
Estimated Rank:
6 kyu
SQL
Databases
Beta
Count Voters per Party (Alphabetically)
17
x4g4p3x
Status:
Testing & feedback needed
Estimated Rank:
7 kyu
SQL
Databases
Beta
Average Male/Female Voter Age by Party
13
x4g4p3x
1 Issue Reported
Status:
Waiting for issues to be resolved
Estimated Rank:
6 kyu
SQL
Databases
6 kyu
Youngest Team Members
722
bornForThis
SQL
Databases
Restricted
6 kyu
The Great Data Entry Blame Game
191
bornForThis
SQL
Databases
7 kyu
SQL with Pokemon: Damage Multipliers
8,078
sHale
1 Issue Reported
Fundamentals
SQL
Databases
Data Science
6 kyu
Find Inventory Changes Between Two Dates
102
bornForThis
1 Issue Reported
SQL
Databases
5 kyu
Simple data migration: assortment statuses
53
Twilight_Sun
SQL
Databases
6 kyu
Tracking Active Bookings Over Time
104
bornForThis
SQL
Databases
6 kyu
Building a User Leaderboard with Engagement Metrics
116
bornForThis
SQL
Databases
7 kyu
Identifying Mutual Likes in a Dating App
248
bornForThis
SQL
Databases
6 kyu
Finding Products Matching All Selected Tags: Parameterized Version
65
bornForThis
SQL
Databases
7 kyu
Finding Products Matching All Selected Tags
309
bornForThis
SQL
Databases
5 kyu
URL shortener
869
zLuki
Databases
Algorithms
Data Structures
6 kyu
Runner Results with Position-Based Competitor Info
197
bornForThis
SQL
Databases
6 kyu
Daily Hospital Admissions and Discharges Report
292
bornForThis
SQL
Databases
7 kyu
Categorize and Count Job Applications Based on Status
396
bornForThis
SQL
Databases
5 kyu
Analysis of Consecutive Stock Price Increases
85
bornForThis
SQL
Databases
6 kyu
Examining Traffic Data to Track Criminal Conduits
111
bornForThis
SQL
Databases
Date Time
7 kyu
Counting Interview Failures Without Using COUNT()
331
bornForThis
SQL
Databases
Restricted
6 kyu
Identifying Peak Hours for Angry Customer Calls
156
bornForThis
1 Issue Reported
SQL
Databases
6 kyu
Employee Weekend Work: Counting Unique Weekends and Total Days Worked
184
bornForThis
SQL
Databases
Date Time
6 kyu
Refactoring SQL Queries: part 2 (Pagination Disaster)
128
bornForThis
SQL
Databases
Refactoring
7 kyu
Uncover the Code: ABC Kata Solutions' Longest-Tenured Employees
379
bornForThis
SQL
Databases
7 kyu
Ten Years of Talent: Analyzing Employee Flux at ABC Kata Solutions
246
bornForThis
SQL
Databases
7 kyu
ABC Kata Solutions' Failures That Paved the Road to Success
227
bornForThis
SQL
Databases
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