Oracle Program with PL/SQL (OPPL)

Course Objectives

To provide the skills needed to develop,write and maintain PL/SQL scripts,triggers,stored program units and packages.

Oracle Program with PL/SQL Training Course

Course Contents - DAY 1

Course Introduction

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

Session 1: PL/SQL FUNDAMENTALS

• What is PL/SQL?
• Basic Elements
• Variables and Constants
• Data Types
• Initializing Variables and Assigning Values
• Using SQL Statements in Code
• Generating Output to SQL or SQL Developer

Session 2: PROGRAM LOGIC

• IF THEN ELSE Statements
• CASE Expressions
• The Basic Loop Construct
• WHILE and FOR Loops
• Nested and Labelled Loops
• The GOTO Statement
• The CONTINUE Statement

Session 3: USING CURSORS

• What is a Cursor?
• Implicit and Explicit Cursors
• Cursor Operations
• Declaring,Opening and Closing Cursors
• Fetching Rows
• Status Checking
• Using Cursors FOR UPDATE
• The Cursor FOR Loop
• Parameterised Cursors

Oracle Program with PL/SQL Training Course

Course Contents - DAY 2

Session 4: EXCEPTIONS AND NESTED BLOCKS

• The EXCEPTION Section
• Types of Exception
• Handling Named System-Raised Exceptions
• Handling Unnamed System-Raised Exceptions
• User-Declared Exceptions and Application Errors
• When others then Null
• Nested and Labelled Blocks
• Propagation of Exceptions
• Scope of Variables and Cursors

Session 5: PL/SQL RECORDS AND INDEX-BY TABLES

• Declaring Record Types
• Handling PL/SQL Records
• Nested Records
• Declaring PL/SQL Index-By Tables or Associative Arrays
• PL/SQL Table Built In Functions
• Manipulating PL/SQL Tables or Associative Arrays

Oracle Program with PL/SQL Training Course

Course Contents - DAY 3

Session 6: TRIGGERS

• DML Triggers
• The CREATE TRIGGER Statement
• Writing Trigger Code
• INSTEAD OF Triggers
• Calling Procedures from Triggers
• Coding Restrictions
• System Event and DDL Triggers
• Attribute Functions
• Compound Triggers
• Create Trigger Follows Clause
• Managing Triggers
• Privileges required for Triggers
• Dictionary Information Concerning triggers

Session 7: PROCEDURES

• What is a Procedure?
• The CREATE PROCEDURE Statement
• Procedure Parameters
• Invoking Procedures
• Local Subprograms
• Named Association Parameter Passing
• Definer's Right and Invoker's Rights
• Autonomous Transactions
• Managing Procedures
• Privileges Required for Procedures
• Dictionary Information Concerning Procedures
• The Call Statement

Session 8: FUNCTIONS

• What is a Function?
• The CREATE FUNCTION Statement
• Executing Functions
• Invoker's Rights
• Autonomous Transactions
• DBMS_OUTPUT
• Using Functions in SQL Statements
• Deterministic and Parallel-Enabled Functions
• Function Result Cache
• Managing Functions
• Privileges Required for Functions
• Dictionary Information Concerning Functions

Oracle Program with PL/SQL Training Course

Course Contents - DAY 4

Session 9: PACKAGES

• What is a Package?
• Public and Private Components
• Creating a Package
• Example Package
• Persistent States
• One-time-only Procedures
• Overloading
• Purity Level Checking
• Forward Declarations
• Wrapping Packages
• Managing Packages
• Privileges Required for Packages
• Dictionary Information Concerning Packages Features

Session 10: USING PL/SQL RECORDS AND TABLES IN PACKAGES

• Overview of PL/SQL Records,Index-by Tables and Associative Arrays
• Using PL/SQL Records and Tables in Packages
• Table Built-In Functions
• The NOCOPY Hint
• Bulk Collection
• Bulk Binding DML Statements

Session 11: CURSOR VARIABLES (REF CURSORS)

• Declare Cursor Variables
• Use Cursor Variables
• Open and Close Cursor Variables
• Fetch Rows
• Cursor Variable Attributes
• Pass Cursor Variables as Parameters
• Open and Close Cursor Variables
• Refcursor Datatype

Session 12: MANAGING DEPENDENCIES

• Dependent and Referenced Objects
• Invalidation and Recompilation
• Local and Remote Dependencies
• Recompilation Considerations

Oracle Program with PL/SQL Training Course

Course Contents - DAY 5

Session 13: NATIVE COMPILATION AND COMPILE-TIME WARNINGS

• Introduction
• Native Compilation
• Automatic Recompilation
• Automatic program Sublining
• WHEN OTHERS ... THEN NULL
• Data Dictionary Information
• Compiler Warning Categories
• Using the DBMS_WARNING Package

Session 14: ORACLE-SUPPLIED PACKAGES

• Overview of Oracle-Supplied Packages
• Using the DBMS_SQL Package
• Using Native Dynamic SQL
• The DBMS_METADATA Package
• The UTL_MAIL Package
• The DBMS_APPLICATION_INFO Package
• The DBMS_UTILITY Package
• Scheduling Jobs using the DBMS_SCHEDULER Package

Session 15: PL/SQL DESIGN CONSIDERATIONS

• Invoker versus Definer™ Rights
• Grant Roles to PL/SQL Packages and Programs
• Programming Standards for Variables,Parameters and Constants
• Standardise Constants with a Package
• Standardise Exceptions with a Package
• Write PL/SQL Code using Local Subprograms
• Use NOCOPY Compiler Hint
• Optimise Code with the PARALLEL ENABLE hint
• Use the AUTONOMOUS TRANSACTION Pragma

Further Learning

• Oracle 19c SQL Performance Tuning
• Oracle Database 19c Administration

Requirements

A working knowledge of Oracle SQL or SQL Developer is required along with practical experience in writing SQL statements. This knowledge can be obtained by attendance on the pre-requisite Oracle SQL course. Some previous programming experience will also prove advantageous.

Who will the Course Benefit?

Oracle database administrators,software development personnel and database support staff who need to write PL/SQL scripts and implement or maintain database triggers,program units and packages.