Level 1

SQL Programming

TUTORIALS

1. Sql Introduction

2. Sql Commands

3. Sql Command Help

4. Dbms

4. Sql Interview Questions

5. Sql Server Interview Questions

Sql sub queries

Problem	Score	Companies	Time	Status
Study Selection	50		8:42
Study Update	50		13:27
Study Deletion	50		5:29
Actors and their Movies	100		36:48

Basic select

Problem	Score	Companies	Time	Status
Town Selection	50		4:44
Town Queries	50		1:57
Student Query	50		4:33
Country Filtration	50		6:07
Information Selector	50		1:49
Town Of Threes	50		5:37

Aggregation

Problem	Score	Companies	Time	Status
Firefighter's Average	50		5:50
Firefighter's Sum	50		2:07
Largest Difference	50		11:07
Distance Maximizer	50		22:24
Euclid's Distance	50		11:54
Big Salary	50		22:21

Advanced select

Problem	Score	Companies	Time	Status
Conditional Work	50		12:24
Role Ordering	50		7:28
Role Player	50		9:52
Role Counter	50		6:04
Vowel Country	50		16:44

Basic join

Problem	Score	Companies	Time	Status
Engineers Joined	50		29:58
Many Tables	50		26:54
Top Performer	50		19:48
Low and High Grades	50		10:27
Same Countries	50		25:41

Sql joins

Problem	Score	Companies	Time	Status
Neutral Reviewers	100		24:38
Movie Character	100		34:15
Short Films	100		29:59