Oracle SQL Advanced — A 3-Day Course

 Open Public Course Closed In-House Course

Synopsis

This course is designed to give delegates practical experience in using some of the more advanced features of Oracle SQL. Additional datatypes and the use of advanced SQL functions and expressions are covered together with enhanced table handling features.

Course Objectives

To provide the skills needed to use the more advanced features of Oracle SQL. The delegates will practise:

• Retrieving Data Using Correlated Subqueries, In-Line Views and Multi-Column Subqueries
• Using the WITH Clause
• Inserting and Updating Rows Using Subqueries
• Creating Hierarchical Queries
• Using ROLLUP, CUBE and GROUPING SETS Group By Enhancements
• Implementing the GROUPING and GROUPING_ID Functions
• Managing Large Data Sets
• Inserting Data Conditionally and Unconditionally
• Merging Rows in a Table
• Creating TIMESTAMP and INTERVAL Datatypes
• Using TIMESTAMP, TIMEZONE and INTERVAL Functions and Literals
• Using Regular Expressions and Implementing Related Functions
• Managing Objects with the Data Dictionary
• Managing Schema Objects
• Performing Flashback Operations
• Creating and Using External Tables
• Controlling User Access to Database Objects

Suitable For

• Anyone who needs to use the more advanced features of SQL to improve their productivity in querying and updating an Oracle database.

Prerequisites

Before attending this course delegates must have:

• Oracle SQL

Examinations

Together with the SQL course, this course covers the major topics required for the following Oracle examinations: Introduction to Oracle9i: SQL (1Z0-007) and Oracle Database SQL Expert (IZ0-047).

Exams are not included as part of the course.

Before taking any exam, ensure you have the recommended experience. The Oracle website lists all exam requirements and these are updated regularly.

Publicly scheduled dates, locations, and prices

Outline Course Contents

Course Introduction

• Administration and Course Materials
• Course Structure and Agenda
• Delegate and Trainer Introductions

Retrieve Data Using Subqueries

• ANY, ALL or SOME Operators
• Correlated Subqueries
• In-Line Views
• The Exists Operator
• The WITH Clause
• Multi-Column Subqueries
• Insert and Update Using a Query
• Correlated Update and Delete

Hiearchical Queries

• Hierarchical data
• The START WITH and CONNECT BY clauses
• The LEVEL pseudo-column
• Sequencing the output
• Eliminating nodes and branches

Enhanced Grouping Features

• Review of basic grouping concepts
• The ROLLUP and CUBE extensions
• The GROUPING SETS extension
• Using the GROUPING and GROUPING_ID functions

Manage Large Data Sets

• Multi-table Inserts
• Conditional and Unconditional Inserts
• Merging Data into a Table
• Table and View Based Merge
• A Sub Query Based Merge

Flashback Technology

• Flashback Query
• The DBMS_FLASHBACK Package
• The AS Clause
• Flashback Table
• Flashback Drop
• Flashback Data Archive

Date, Time and Timezone Support

• Date, Timestamp and Interval datatypes
• Handling dates and times
• Handling intervals
• Date, timestamp and interval functions and literals
• Related NLS parameters

Regular Expression Support

• Regular Expression Notation
• Character matching
• Repetition operators
• Sub expression grouping
• Regular expression functions

Manage Objects with the Data Dictionary

• The Data Dictionary
• Useful Data Dictionary Tables
• Using the Data Dictionary

Manage Schema Objects

• Column Operations
• Constraint Operations
• Creating and Dropping Indexes
• B-Tree Indexes
• Function Based Indexes
• Descending Indexes
• Creating and Using External Tables

Access Control

• System Privileges and Roles
• Create Users
• Alter User Details
• Grant and Revoke Object Privileges