The Introduction to SQL on Oracle course is designed to give delegates practical experience in using SQL.
The delegate will learn and acquire skills as follows:
- Creating SQL statements to query a database table
- Using standard aggregate functions and related SELECT statement clauses
- Joining Tables
- Using basic subqueries and the set operators
Who will the Course Benefit?
Anyone who needs to understand and use SQL to manipulate a database.
There are no formal pre-requisites for this Introduction to SQL on Oracle course, although an understanding of databases and exposure to information technology in general would be useful.
Learning Objectives
To provide the knowledge and skills needed to retrieve data held in a relational database using Oracle Database.
Note
There is an overlap between the content of this 1 day Introduction to SQL course and the content on the suggested follow-on Oracle and MySQL/MariaDB courses. You may wish to review the content of the 3 day Oracle SQL course, the 3 day Introduction to MySQL course or the 3 day Introduction to MariaDB course and if more suitable to your training needs attend one of those courses rather than this 1 day Introduction to SQL course.
Pre-Requisites
Some previous programming or database experience would be useful.
Course Content
Session 1: RELATIONAL DATABASE CONCEPTS
- What is an Oracle Database
- Relational Database Structures
- Tables, Rows and Columns
- Indexes, Primary Keys and Foreign Keys
- Supported Datatypes
- The Data Dictionary
Session 2: USING SQL*PLUS
- What is SQL*Plus
- Getting Started
- Entering and Executing SQL Statements
- Editing SQL Statements
- Creating, Editing and Executing SQL Files
Session 3: USING SQL DEVELOPER
- What is Oracle SQL Developer
- Starting SQL Developer
- Configure a Connection
- Navigation Tabs
- SQL Worksheet
- Query Builder
Session 4: RETRIEVING DATA WITH THE SELECT STATEMENT
- The SELECT Statement
- The SELECT and FROM Clauses
- Conditions and the WHERE Clause
- Other Conditional Operators
- Logical Operators
- The ORDER BY Clause
- Column Aliases
- Arithmetic Expressions
- Precedence of Operators
Session 5: AGGREGATE FUNCTIONS
- Overview of Built In Aggregate Functions
- The GROUP BY Clause
- The HAVING Clause
Session 6: JOINING TABLES
- Overview of Table Joins
- Inner Joins
- Table Aliases
- Outer Joins
- Self Joins
- ANSI Standard Joins
Session 7: BASIC SUBQUERIES AND SET OPERATORS
- Overview of Subqueries
- Basic Subqueries
- Set Operators
- The Union,Intersect and Minus Operators
