Oracle SQL

Prerequisites:

There are no formal pre-requisites, although an understanding of databases and exposure to information technology in general would be useful.

Course Description:

This course is designed to give delegates practical experience in writing SQL statements and scripts using Oracle SQL*Plus. The basic SELECT statement, the use of SQL functions and the basic table and view handling statements are introduced.

By the end of this course, the delegate will be able to:

- Describe the basic structure of a relational database
- Use the command line features of SQL*Plus
- Create SQL statements to select data from an Oracle Database
- Generate simple reports from selected data
- Use SQL*Plus control and run time parameters
- Create and alter tables, indexes and views
- Create, update and delete records
- Grant and revoke access privileges
- Access the Data Dictionary

This course includes the following modules:

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

Using SQL*Plus

• What is SQL*Plus
• Getting Started
• Entering and Executing SQL Statements
• Editing SQL Statements
• Creating, Editing and Executing SQL Files

Using SQL Developer

• What is Oracle SQL Developer
• Starting SQL Developer
• Configure a Connection
• Navigation Tabs
• SQL Worksheet

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

Aggregate Functions

• Overview of Built In Aggregate Functions
• The GROUP BY Clause
• The HAVING Clause

Joining Tables

• Overview of Table Joins
• Inner Joins
• Table Aliases
• Outer Joins
• Self Joins
• ANSI Standard Joins
• Set Operators

Numeric, Character and Date Functions

• Function Types
• Using the Table dual to try out Functions
• Numeric Functions
• Character Functions
• String Concatenation
• Date Arithmetic and Date Functions

Conversion and Miscellaneous Functions

• Conversion Functions
• The NVL and NVL2 Functions
• The DECODE Function
• CASE Expressions
• The COALESCE and NULLIF Functions

SQL*Plus Parameters

• Command Line Substitution Parameters
• The Accept Command
• The Define and Undefine Commands

Using Subqueries

• Overview of Subqueries
• In-Line Views
• Top-N Queries
• Complex Subqueries
• Multi Column Subqueries
• Correlated Subqueries
• Subquery Rules
• Using the ANY, ALL and SOME Operators

Managing Data

• Inserting Rows
• Updating Rows
• Deleting Rows
• Verifying Updates
• Transaction Control
• Commit and Rollback
• Savepoints
• Commits and Constraints
• Amending Data in SQL Developer

Managing Tables

• Creating Tables
• Specifying Constraints
• Altering Tables, Columns and Constraints
• Dropping Tables, Columns and Constraints
• Copying Tables

Managing Indexes and Views

• Creating Indexes
• Dropping Indexes
• Listing Indexes
• Creating and Using Views
• Dropping Views
• Listing Views

Managing Sequences and Synonyms

• Create a Sequence
• View Sequence Details
• Create a Synonym
• List Synonyms