Oracle SQL – Step by Step SQL

Update 04/06/2022: 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