Course Description

The Oracle SQL Advanced 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.

Similarly, the course is targeted to closely follow the official Oracle Database curriculum for certification.

Exercises and examples are used throughout the course to give practical hands-on experience with the techniques covered.

Versions supported 12cR2, 18c and 19c.

Target Student

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

Pre-requisites

Delegates should have attended the Oracle SQL course or have a similar level of experience.

Course Objectives

To provide the skills needed to use the more advanced features of Oracle SQL.

Course Content

Course Introduction

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

Session 1: RETRIEVE DATA USING SUBQUERIES

• Correlated Subqueries
• In-Line Views
• The Exists Operator
• The WITH Clause
• Multi-Column Subqueries
• Insert and Update Using a Query
• Correlated Update and Delete

Session 2: HIERARCHICAL QUERIES

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

Session 3: ENHANCED GROUPING FEATURES

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

Session 4: ANALYTIC QUERIES

• Ranking functions
• The NTILE and WIDTH_BUCKET functions
• Analytic Aggregate functions
• The FIRST and LAST Value functions
• The LEAG and LAG Functions
• The LISTAGG Function

Session 5: 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

Session 6: FLASHBACK TECHNOLOGY

• Flashback Query
• The AS Clause
• Flashback Table
• Flashback Drop

Session 7: REGULAR EXPRESSION SUPPORT

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

Session 8: VIRTUAL COLUMNS AND EXTERNAL TABLES

• Virtual columns
• Creating and Using External Tables

Session 9: 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

Session 10: ACCESS CONTROL

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

Session 11: MANAGE OBJECTS WITH THE DATA DICTIONARY

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