Sql-zoo solutions

Sloved exercises for the SQL Tutorial SQL ZOO on https://sqlzoo.net/wiki/SQL_Tutorial.

Name		Name	Last commit message	Last commit date
Latest commit History 7 Commits
0 SELECT basics.sql		0 SELECT basics.sql
1 SELECT name.sql		1 SELECT name.sql
2 SELECT from World.sql		2 SELECT from World.sql
3 SELECT from Nobel.sql		3 SELECT from Nobel.sql
4 SELECT within SELECT.sql		4 SELECT within SELECT.sql
5 SUM and COUNT.sql		5 SUM and COUNT.sql
6 JOIN.sql		6 JOIN.sql
7 More JOIN operations.sql		7 More JOIN operations.sql
8 Using Null.sql		8 Using Null.sql
8+ Numeric Examples.sql		8+ Numeric Examples.sql
9 Self join.sql		9 Self join.sql
9- Window function.sql		9- Window function.sql
README.md		README.md

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