Kata Library: SQL Practice

FEATURED TAGS

305 Kata Found

8 kyu

Count the number of cubes with paint on

10,326jackchambers2 Issues Reported

Beta

Correcting an SQL Query : Unexpected Data Inflation

8bornForThis1 Issue Reported

Status:Waiting for issues to be resolved

Estimated Rank:
7 kyu

8 kyu

444,427suuuzi

Beta

Customer Support System: Users with Multiple Distinct Usernames

Status:Ranking feedback needed

Estimated Rank:
5 kyu

7 kyu

Easy SQL: Counting and Grouping

13,688PG12 Issues Reported

4 kyu

Sneaky student #2

6 kyu

1,139Valek3 Issues Reported

6 kyu

Current Age Distribution of Employees

6 kyu

Finding Groups with Matching Employees

7 kyu

Drug Dosages with Dual Unit Measurements

6 kyu

Customer Rebates Based on Total Orders for September 2023

6 kyu

Books That Have Been Out for the Longest Duration

5 kyu

Ranking Regional Sales Performance and Sales Positions Within Region

6 kyu

Finding Duplicate Product Codes Across Different Groups

5 kyu

Analyzing Backup Intervals and Restarts in AWS Clusters

7 kyu

Find Messages with Multiple Occurrences of a Word "Apple" 🍎

6 kyu

Sneaky student #1

7 kyu

Sibling Count based on Common Parent

8 kyu

Returning Strings

184,639Aweson1

5 kyu

Count IP Addresses

22,849xDranik1 Issue Reported

6 kyu

Piano Kata, Part 1

3,110tachyonlabs2 Issues Reported

7 kyu

First Normal Form

7 kyu

Factorial Fun: Using PostgreSQL to Generate a Table of Factorials

8 kyu

Grasshopper - Terminal game move function

56,104danleavitt0

8 kyu

119,341PG11 Issue Reported

8 kyu

Is n divisible by x and y?

111,418naaz

6 kyu

Identifying Codewars' Bad Kata Authors

7 kyu

Parameterized SQL: Section Access Control

4 kyu

Bezos Gets Eccentric with DVD Rentals: Prime Subscriptions for Prime Rentals with Even Digits

6 kyu

Calculate Total Downtime for Machines

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