SQL | Codewars

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5 kyu

Calculating Running Total

4,377pmatseykanets

Fundamentals

Databases

SQL

6 kyu

Subqueries master

1,580Javatlacati1 Issue Reported

Fundamentals

6 kyu

SQL Basics: Create a FUNCTION (DATES)

3,340matt c1 Issue Reported

SQL

Fundamentals

6 kyu

SQL Bug Fixing: Fix the QUERY - Totaling

8,492matt c

Fundamentals

SQL

Data Science

6 kyu

Conditional Count

6,945pmatseykanets2 Issues Reported

SQL

Fundamentals

Databases

8 kyu

Is n divisible by x and y?

118,767naaz1 Issue Reported

Refactoring

8 kyu

Even or Odd

489,155suuuzi

Mathematics

Fundamentals

8 kyu

Opposite number

323,857sergioet11 Issues Reported

Fundamentals

8 kyu

Multiply

5,516,64212 Issues Reported

Debugging

Fundamentals

8 kyu

Returning Strings

208,393Aweson1

Strings

Fundamentals

8 kyu

Keep Hydrated!

198,690paulrichard

Algorithms

Mathematics

Fundamentals

7 kyu

Sum of angles

32,647DemonKing2 Issues Reported

Geometry

Fundamentals

7 kyu

Maximum Multiple

29,951MrZizoScream2 Issues Reported

Fundamentals

7 kyu

SQL with LOTR: Elven Wildcards

9,125sHale

Fundamentals

SQL

Databases

Data Science

7 kyu

SQL with Harry Potter: Sorting Hat Comparators

8,783sHale

Fundamentals

SQL

Databases

Data Science

7 kyu

SQL with Street Fighter: Total Wins

8,409sHale3 Issues Reported

Fundamentals

SQL

Databases

Data Science

7 kyu

SQL: Disorder

4,754Voile

Fundamentals

SQL

7 kyu

SQL with Pokemon: Damage Multipliers

7,059sHale1 Issue Reported

Fundamentals

SQL

Databases

Data Science

8 kyu

Easy SQL: LowerCase

14,705PG1

Fundamentals

Strings

SQL

7 kyu

Easy SQL: ASCII Converter

6,098PG11 Issue Reported

Fundamentals

Strings

SQL

7 kyu

SQL with Sailor Moon: Thinking about JOINs...

7,787sHale1 Issue Reported

Fundamentals

SQL

Databases

7 kyu

SQL Basics: Maths with String Manipulations

8,836PG1

Fundamentals

Strings

SQL

7 kyu

SQL: Bytes in String from Ints

3,183PG1

Fundamentals

Strings

SQL

7 kyu

Easy SQL: Moving Values

4,508PG1

Fundamentals

Strings

SQL

8 kyu

Easy SQL: Convert to Hexadecimal

9,104PG11 Issue Reported

Fundamentals

SQL

7 kyu

Easy SQL: Cube Root and Natural Log

6,648PG1

Fundamentals

Mathematics

SQL

7 kyu

SQL Basics: Truncating

6,636PG11 Issue Reported

Fundamentals

Mathematics

SQL

7 kyu

Easy SQL: Absolute Value and Log to Base

6,800PG1

Fundamentals

Mathematics

SQL

7 kyu

SQL Basics: Raise to the Power

11,408PG1

Fundamentals

Mathematics

SQL

8 kyu

SQL Basics: Mod

15,402PG1

Fundamentals

Mathematics

SQL

7 kyu

SQL Basics: Up and Down

7,767PG11 Issue Reported

Fundamentals

SQL

7 kyu

SQL: Concatenating Columns

12,924PG1

Fundamentals

Strings

SQL

8 kyu

1. Find all active students

13,841raymartxx

Databases

SQL

7 kyu

SQL Basics: Simple JOIN with COUNT

18,935matt c

SQL

Databases

Fundamentals

6 kyu

SQL Basics: Simple JOIN and RANK

12,626matt c3 Issues Reported

SQL

Fundamentals

7 kyu

SQL Basics: Simple JOIN

20,892jhoffner

Databases

Fundamentals

SQL

7 kyu

First and last IP in a network

1,191FArekkusu

Fundamentals

8 kyu

SQL Basics: Simple WHERE and ORDER BY

23,807matt c1 Issue Reported

SQL

Filtering

Databases

Fundamentals

7 kyu

BASICS: Length based SELECT with LIKE

9,862baaart1 Issue Reported

Fundamentals

SQL

Databases

7 kyu

GROCERY STORE: Logistic Optimisation

5,895baaart2 Issues Reported

SQL

Databases

Fundamentals

7 kyu

Making a changelog

567FArekkusu

Fundamentals

7 kyu

Alphabetical Addition

11,277user84367853 Issues Reported

Algorithms

8 kyu

Century From Year

189,061MrZizoScream

Fundamentals

Mathematics

7 kyu

Sum of odd numbers

156,209hhelwich

Arrays

Lists

Mathematics

Fundamentals

6 kyu

Analyzing the sales by product and date

2,057FArekkusu

Algorithms

7 kyu

SQL Basics: Create a FUNCTION

6,372matt c1 Issue Reported

SQL

Fundamentals

5 kyu

SQL Statistics: MIN, MEDIAN, MAX

5,627matt c2 Issues Reported

SQL

Statistics

Fundamentals

7 kyu

Easy SQL: Bit Length

8,010PG1

Fundamentals

Strings

SQL

8 kyu

Adults only (SQL for Beginners #1)

31,186MaikelNabil

Fundamentals

SQL

Databases

Data Science

7 kyu

SQL Basics: Repeat and Reverse

10,206PG11 Issue Reported

Fundamentals

SQL

8 kyu

On the Canadian Border (SQL for Beginners #2)

25,041MaikelNabil

Fundamentals

SQL

Databases

Data Science

8 kyu

20,203MaikelNabil

Fundamentals

SQL

Databases

8 kyu

Collect Tuition (SQL for Beginners #4)

22,372MaikelNabil1 Issue Reported

Fundamentals

SQL

Databases

7 kyu

Best-Selling Books (SQL for Beginners #5)

22,531MaikelNabil

Fundamentals

SQL

Databases

4 kyu

Challenge: Two actors who cast together the most

3,155pmatseykanets1 Issue Reported

SQL

Fundamentals

Databases

7 kyu

Countries Capitals for Trivia Night (SQL for Beginners #6)

12,456MaikelNabil2 Issues Reported

Fundamentals

SQL

Databases

Data Science

5 kyu

Count Weekdays

1,394pmatseykanets1 Issue Reported

SQL

Fundamentals

Databases

5 kyu

SQL Basics: Group By Day

7,125jhoffner

SQL

Fundamentals

6 kyu

SQL: Regex AlphaNumeric Split

3,190PG12 Issues Reported

Fundamentals

Regular Expressions

SQL

6 kyu

SQL Basics: Top 10 customers by total payments amount

12,842jhoffner1 Issue Reported

Fundamentals

SQL

Data Science

6 kyu

SQL Basics: Simple table totaling.

9,718matt c2 Issues Reported

SQL

Fundamentals

6 kyu

SQL Basics: Simple UNION ALL

11,583matt c1 Issue Reported

SQL

Fundamentals

7 kyu

SQL Basics: Simple GROUP BY

21,401matt c1 Issue Reported

SQL

Fundamentals

8 kyu

SQL Basics: Simple DISTINCT

21,011matt c

SQL

Fundamentals

6 kyu

SQL Bug Fixing: Fix the JOIN

8,811matt c1 Issue Reported

SQL

Fundamentals

6 kyu

SQL Basics: Simple WITH

8,524matt c3 Issues Reported

SQL

Fundamentals

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