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Oracle SQL – Step by Step SQL
Update 10/06/2016: Added new exercisesUpdate 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 SQLcourse 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 SQLcourse 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 SQLquery Give? SELECTWhat columns? DAY, CITYSummary? SUM(VOLUME)Preposition? FROMWhich table contains sales orders data? SALESFilter? WHERE SALES DATE BETWEEN 01-JAN-2015 and 31-JAN-2015Grouping? 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 SQLGROUP BY and SQLAggregate functionsCombining 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 commandsControlling the access to the users using SQL commands (GRANT, REVOKE) Improving performance using SQL command (createIndex )Project Work at the summarize theSQL concepts we learnt. and many more interesting things. Softwares used Oracle Database 11g SQL Developer
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