Oracle SQL - Step by Step SQL

Course details

Update 10/06/2016: Added new exercises

Update 01/04/2016: Closed Captions/Sub Titles are added to the Lectures.

Learn to become a fee-earning SQL developer in just seven weeks.

This fast, easy and effective course will take you from zero sql writing skills to being able to make money as a SQL developer.

This one-stop-shot-style SQL course will teach you everything you need to know about SQL, from learning various database concepts to writing SQL to interact with the database.

Throughout this SQL course I will be using the below methodology to make you think and help in forming the SQL statement.

Business Need:

Manager asks you to give you a report containing total sales volume for January month by day and city

Questions in your mind to build your SQL query

• Give?                                                                  SELECT 
• What columns?                                                 DAY, CITY 
• Summary?                                                          SUM(VOLUME) 
• Preposition?                                                      FROM 
• Which table contains sales orders data?      SALES 
• Filter?                                                                WHERE SALES_DATE BETWEEN '01-JAN-2015' and '31-JAN-2015' 
• Grouping?                                                         GROUP BY DAY, CITY

Combine the above answers to form the below SQL

SELECT day, city, SUM(volume)
FROM sales
WHERE sales_date BETWEEN '01-JAN-2015' AND '31-JAN-2015'
GROUP BY day, city;

In this course participants will learn

• Relational databases Concepts
• Retrieving Data from Database using SQL Commands (Select)
• Filtering Data based on business requirements using SQL Command (Where)
• Creating Tables and modifying its structure using SQL commands (Create, Alter)
• Joining Data from various Tables using SQL Joins
• Grouping Data and calculating summaries using SQL GROUP BY and SQL Aggregate functions
• Combining data from 2 or more tables using SQL keywords (UNION, UNION ALL, INTERSECT, MINUS)
• Enforcing Constraints on Tables using SQL commands (Create. Alter)
• Creating views using SQL command (Create View)
• Creating other database objects (SYNONYMS, SEQUENCES) using the SQL commands
• Controlling the access to the users using SQL commands (GRANT, REVOKE)
• Improving performance using SQL command (create Index )
• Project Work at the summarize the SQL concepts we learnt.
• and many more interesting things..

Softwares used

• Oracle Database 11g
• SQL Developer