Introduction

SQL Basics

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SQL Basics

Introduction

Basic Syntax

Basic Select Statements

Table Variables & Set Operators

Subqueries in the Where Clause

Subqueries in the From & Select Clause

The 'Join' Family Operators

Aggregation

Data Modification Statements

Introduction

What This Book is About
This book will cover the basics of SQL, and should help introduce beginners to SQL concepts. It is also a good documentation source when forgetting how the basic SQL syntax works.
Contributing
This book is open source, so please feel free to visit the github repository to help contribute! If you notice any typos or errors in this book, you can fork the repo and open a pull request with the new and improved changes, or simply just open a new issue. Any contribution is greatly appreciated and it will help make this book better for those reading it after you!
License
This book is currently licensed under a Creative Commons license. For more information, read more on the official Creative Commons website.
Here is the example database that will be used throughout the book:
Movies
mID
Title
Year
Director
101
Top Gun
1986
Tony Scott
102
Titanic
1997
James Cameron
103
The Lion King
1994
Rob Minkoff
104
Gravity
2013
Alfonso Cuaron
105
Harry Potter
2001
<null>
106
Cast Away
2000
Robert Zemeckis
107
Spider Man
2002
Sam Raimi
108
The Godfather
1972
Francis Coppola
User
uID
Name
201
James Dean
202
Chris Anderson
203
Ashley Burley
204
Ralph Truman
205
Gordon Maximus
206
Sarah Rodgriguez
207
Darrel Sherman
208
Lisa Jackson
Review
uID
mID
Rating
ratingDate
201
101
2
2014-03-09
201
101
4
2014-03-02
202
104
4
<null>
203
107
2
2014-03-24
204
103
4
2014-03-17
204
104
2
2014-03-13
205
108
3
2014-03-24
206
102
3
2014-03-02
207
104
5
<null>
207
106
4
2014-03-07
207
102
5
2014-03-26
208
105
2
2014-03-13

Basic Syntax

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