Section 1: Introductions
• What you will learn in this course
• Introduction to SQL
• Quick Glimpse into the data used in this course
• Cheat Sheet
1
Section 1: Introduction to SQL
Data
Data
What is a
Database?
Data
Data
Data Analytics: Introduction to SQL using Healthcare Data 2
Section 1: Introduction to SQL
Database
example
Data Analytics: Introduction to SQL using Healthcare Data 3
Section 1: Introduction to SQL
SQL is an abbreviation for Structured Query Language. In other
words, SQL is a language used to communicate with databases.
Using SQL users can update, retrieve, delete, create data.
Data Analytics: Introduction to SQL using Healthcare Data 4
Section 1: Introduction to SQL
SQL is used
to retrieve
data
Data Analytics: Introduction to SQL using Healthcare Data 5
Section 1: Introduction to SQL
There are different types of database management systems. The
SQL used in these systems vary slightly, but for the most part are
very similar
Data Analytics: Introduction to SQL using Healthcare Data 6
Section 1: The Healthcare Data used in this course
STOP
Data Analytics: Introduction to SQL using Healthcare Data 7
Section 1: The Healthcare Data used in this course
SQL
Data Analytics: Introduction to SQL using Healthcare Data 8
