GitHub - erjan/sql_exercises: i tried to solve as many tasks as possible to make my SQL skills better

Here i upload various solutions from sql practice websites:

sqlzoo.net - ✔️
windowfunctions.com - ✔️
learndb.ru - ✔️
sql-academy.org - ✔️
sqlpad.io - ✔️
pgexercises - ✔️
stratascratch - ✔️
Интерактивный тренажер по SQL степик, stepik https://stepik.org/course/63054/syllabus ✔️

Name	Name	Last commit message	Last commit date
Latest commit erjan Create sql murder mystery Apr 26, 2024 873bd63 · Apr 26, 2024 History 802 Commits
57_sql_exercises	57_sql_exercises	Create 57_exercise_main.sql	Apr 10, 2023
hackerrank_sql_practice	hackerrank_sql_practice	Update top_competitors.sql	Mar 6, 2021
interview_query	interview_query	Update Reverse List Starting at Index K	Apr 17, 2024
learndb	learndb	Create recursive_subquery_12_12.sql	Aug 9, 2021
pgexercises	pgexercises	Create recursive.sql	Mar 3, 2021
sql-practicecom	sql-practicecom	Update all.sql	Jan 4, 2023
sql_academy	sql_academy	sorting added for max clarity	Feb 25, 2021
sqlzoo	sqlzoo	all sql zoo solutions	Feb 1, 2021
sqplad_io	sqplad_io	Create fast_movie_watchers_vs_slow_watchers.sql	Aug 22, 2021
stratascratch	stratascratch	Update readme.md	Oct 3, 2023
window_functions	window_functions	Delete 61.sql	Feb 19, 2021
интерактивный-тренажер-sql	интерактивный-тренажер-sql	Update readme.md	Mar 1, 2021
Flight Records	Flight Records	Create Flight Records	Nov 17, 2023
LICENSE	LICENSE	Initial commit	Oct 26, 2017
README.md	README.md	Update README.md	Oct 2, 2023
duplicating_names.sql	duplicating_names.sql	Create duplicating_names.sql	Mar 5, 2021
postgresql12.4-interval code snippet	postgresql12.4-interval code snippet	Create postgresql12.4-interval code snippet	Oct 28, 2023
sql murder mystery	sql murder mystery	Create sql murder mystery	Apr 26, 2024

Provide feedback