Oracle Database: Develop PL/SQL Program Units

Introduction

• Course Objectives, Course Agenda and Appendixes Used in this Course
• Describe the full Human Resources (HR) Schema
• Review the online Oracle Database 12c SQL and PL/SQL documentation and the additional available resources
• List the PL/SQL development environments Available in this course
• Use the SQL Worksheet
• Execute SQL Statements
• Work With Script Files
• Create and Execute Anonymous Blocks

Creating Stored Procedures

• Describe PL/SQL blocks and subprograms
• Describe the uses and benefits of procedures
• Create, call, and remove procedures
• Use formal and actual parameters
• Identify the available parameter-passing modes
• Pass parameters using the positional, named, or combination techniques
• Handle exceptions in procedures
• View the procedure information

Creating Functions and Debugging Subprograms

• Creating Stored Functions
• The Difference Between Procedures and Functions
• Developing Functions
• Creating and Executing and Removing Functions
• Identifying the Advantages of Using Stored Functions in SQL Statements
• Using User-Defined Functions in SQL Statements
• Using a PL/SQL Function in the SQL WITH Clause
• Restrictions When Calling Functions from SQL statements

Creating Packages

• Using PL/SQL Packages
• The Components of a PL/SQL Package
• The Visibility of a Package's Components
• Developing a PL/SQL Package
• Creating the Package Specification and Package Body
• Invoking the Package Constructs
• Creating and Using Bodiless Packages
• Removing a Package

Working With Packages

• Overloading Subprograms
• Using Forward Declarations to Solve Illegal Procedure Reference
• Initializing Packages
• Using Package Functions in SQL and Restrictions
• Controlling Side Effects of PL/SQL Subprograms
• Persistent State of Packages
• Persistent State of Package Variables and Cursors
• Using PL/SQL Tables of Records in Packages

Using Oracle-Supplied Packages in Application Development

• Using Oracle-Supplied Packages
• Examples of Some of the Oracle-Supplied Packages
• How Does the DBMS_OUTPUT Package Work?
• Using the UTL_FILE Package to Interact With Operating System Files
• Using the UTL_MAIL Package

Using Dynamic SQL

• The Execution Flow of SQL
• Working With Dynamic SQL
• When Do You Need Dynamic SQL?
• Using Native Dynamic SQL (NDS)
• Declaring Cursor Variables
• Executing a PL/SQL Block Dynamically
• Using Native Dynamic SQL to Compile PL/SQL Code

Design Considerations for PL/SQL Code

• Standardize constants with a constant package
• Standardize exceptions with an exception package
• Write PL/SQL code that uses local subprograms
• Grant Roles to PL/SQL Packages and Standalone Stored Subprograms
• Use the NOCOPY compiler hint to pass parameters by reference
• Use the PARALLEL ENABLE hint for optimization
• Use the AUTONOMOUS TRANSACTION pragma to run independent transactions within a single transactio
• Describe the differences between invoker rights and definer rights

Creating Triggers

• Describe different types of triggers
• Describe database triggers and their use
• Create database triggers
• Describe database trigger firing rules
• Remove database triggers

Creating Compound, DDL, and Event Database Triggers

• Describe compound triggers
• Describe mutating tables
• Create triggers on DDL statements
• Create triggers on system events
• Display information about triggers

Using PL/SQL compiler

• Using the PL/SQL CompilerUsing the Initialization Parameters for PL/SQL Compilation
• Using the PL/SQL Compile Time Warnings
• Viewing the Current Setting of PLSQL_WARNINGS
• Viewing the Compiler Warnings: Using SQL Developer, SQL*Plus, or the Data Dictionary Views
• Guidelines for Using PLSQL_WARNINGS

Managing Dependencies

• Describe dependent and referenced objects
• Track procedural dependencies with dictionary views
• Predict the effect of changing a database object upon stored procedures and functions
• Manage local and remote procedural dependencies