Overview

Oracle database is one of the top and most widely used relational database management systems in the world.This beginners course will teach you how to retrieve data from an oracle database. We will start off by downloading and installing oracle database 11g express which is free to use. Then we will install TOAD which is a tool we will be using to connect to the oracle database and retrieve data. Topics we will cover in this course includes: Retrieving Data Using SELECT Statements Using FROM clause Using WHERE Clause for filtering data Using NOT Operator Using the LIKE Operator Using IS NULL Using ORDER BY Clause Using DISTINCT Using Describe Using and creating views Using Sub-Query Restricting and Sorting Data Using ORDER BY Clause Using GROUP BY and HAVING Clause Retrieving Data with Aggregate Functions Introduction to aggregate functions Using AVG function Using COUNT function Using MAX function Using MIN function Retrieving Data with Table Joins Introduction to Table Joins Using Equi Joins Using Non Equi Joins Using Cartesian Join Using Outer Join Using Self Join Retrieving Data with Analytic Functions Introduction to Analytic Functions The Syntax Partition By Clause First and Last Function Row number Functions Dense Rank Function Lag Function LEAD Function RANK Function Retrieving Data with SET Operators Using UNION ALL SET Operator UNION SET Operator Using INTERSECT Operator Using Minus Operator By the end of this course you will have enough skill to retrieve data from an oracle database.

Skills

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