Oracle Database: Develop PL/SQL Program Units

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Description

This course is designed for developers with basic PL/SQL and SQL language skills. Developing, executing, and managing PL\SQL stored program units are dealt with in detail. Participants can enhance their skills by gaining in-depth knowledge of PL\SQL stored program units such as procedures, functions, packages, and database triggers. Participants also learn to utilize some of the Oracle-supplied packages.

Additionally the course also talks about the usage of Dynamic SQL along with enforcing the design considerations when coding using PL/SQL. Influencing the PL/SQL compiler and managing dependencies also provide the participants with better understanding of the language.

Additionally, particip…

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This course is designed for developers with basic PL/SQL and SQL language skills. Developing, executing, and managing PL\SQL stored program units are dealt with in detail. Participants can enhance their skills by gaining in-depth knowledge of PL\SQL stored program units such as procedures, functions, packages, and database triggers. Participants also learn to utilize some of the Oracle-supplied packages.

Additionally the course also talks about the usage of Dynamic SQL along with enforcing the design considerations when coding using PL/SQL. Influencing the PL/SQL compiler and managing dependencies also provide the participants with better understanding of the language.

Additionally, participants use Oracle SQL Developer as the main tool and SQL*Plus is available as an optional tool.

This is appropriate for a 10g and 11g audience. There are minor changes between 10g and 11g features in SQL.

Learn To:
  • Create overloaded package subprograms for more flexibility
  • Utilize Oracle-Supplied Packages in Application Development
  • Create triggers to solve business challenges
  • Build SQL statements dynamically
  • Create stored procedures and functions
  • Design and use PL/SQL packages

A Live Virtual Class (LVC) is exclusively for registered students; unregistered individuals may not view an LVC at any time. Registered students must view the class from the country listed in the registration form. Unauthorized recording, copying, or transmission of LVC content may not be made.


Audience
  • Application Developers
  • Forms Developer
  • Support Engineer
  • System Analysts
  • PL/SQL Developer
  • Database Administrators

Course Topics Introduction
  • Course Objectives and Agenda
  • Describe the Human Resources (HR) Schema
  • Identify the Appendices Used in this Course
  • List the PL/SQL Development Environments Available in this Course
  • Use SQL Developer
  • Review the Online Oracle SQL and PL/SQL Documentation and the Additional Available Resources
Create Stored Procedures
  • Create a Modularized and Layered Subprogram Design
  • Modularize Development With PL/SQL Blocks
  • Describe the PL/SQL Execution Environment
  • Identify the benefits of using PL/SQL Subprograms
  • List the differences between Anonymous Blocks and Subprograms
  • Create, Call, and Remove Stored Procedures using the CREATE Command and SQL Developer
  • Implement Procedures Parameters and Parameters Modes
  • View Procedure Information using the Data Dictionary Views and SQL Developer
Create Stored Functions
  • Create, Call and Remove a Stored Function using the CREATE Command and SQL Developer
  • Identify the advantages of using Stored Functions in SQL Statements
  • List the steps to create a stored function
  • Implement User-Defined Functions in SQL Statements
  • Identify the restrictions when calling Functions from SQL statements
  • Control side effects when calling Functions from SQL Expressions
  • View Function Information
Create Packages
  • Identify the advantages of Packages
  • Describe Packages
  • List the components of a Package
  • Develop a Package
  • How to enable visibility of a Package’s components?
  • Create the Package Specification and Body using the SQL CREATE Statement and SQL Developer
  • Invoke the Package Constructs
  • View the PL/SQL Source Code using the Data Dictionary
Packages
  • Overloading Subprograms in PL/SQL
  • Use the STANDARD Package
  • Use Forward Declarations to Solve Illegal Procedure Reference
  • Implement Package Functions in SQL and Restrictions
  • Persistent State of Packages
  • Persistent State of a Package Cursor
  • Control Side Effects of PL/SQL Subprograms
  • Invoke PL/SQL Tables of Records in Packages
Implement Oracle-Supplied Packages in Application Development
  • What are Oracle-Supplied Packages?
  • Examples of Some of the Oracle-Supplied Packages
  • How does the DBMS_OUTPUT Package Work?
  • Use the UTL_FILE Package to Interact With Operating System Files
  • Invoke the UTL_MAIL Package
  • Write the UTL_MAIL Subprograms
Dynamic SQL
  • The Execution Flow of SQL
  • What is Dynamic SQL?
  • Declare Cursor Variables
  • Dynamically executing a PL/SQL Block
  • Configure Native Dynamic SQL to Compile PL/SQL Code
  • Invoke DBMS_SQL Package
  • Implement DBMS_SQL with a Parameterized DML Statement
  • Dynamic SQL Functional Completeness
Design Considerations for PL/SQL Code
  • Standardize Constants and Exceptions
  • Understand Local Subprograms
  • Write Autonomous Transactions
  • Implement the NOCOPY Compiler Hint
  • Invoke the PARALLEL_ENABLE Hint
  • The Cross-Session PL/SQL Function Result Cache
  • The DETERMINISTIC Clause with Functions
  • Usage of Bulk Binding to Improve Performance
Triggers
  • Describe Triggers
  • Identify the Trigger Event Types and Body
  • Business Application Scenarios for Implementing Triggers
  • Create DML Triggers using the CREATE TRIGGER Statement and SQL Developer
  • Identify the Trigger Event Types, Body, and Firing (Timing)
  • Statement Level Triggers Versus Row Level Triggers
  • Create Instead of and Disabled Triggers
  • How to Manage, Test and Remove Triggers?
Create Compound, DDL, and Event Database Triggers
  • What are Compound Triggers?
  • Identify the Timing-Point Sections of a Table Compound Trigger
  • Compound Trigger Structure for Tables and Views
  • Implement a Compound Trigger to Resolve the Mutating Table Error
  • Comparison of Database Triggers to Stored Procedures
  • Create Triggers on DDL Statements
  • Create Database-Event and System-Event Triggers
  • System Privileges Required to Manage Triggers
The PL/SQL Compiler
  • What is the PL/SQL Compiler?
  • Describe the Initialization Parameters for PL/SQL Compilation
  • List the New PL/SQL Compile Time Warnings
  • Overview of PL/SQL Compile Time Warnings for Subprograms
  • List the benefits of Compiler Warnings
  • List the PL/SQL Compile Time Warning Messages Categories
  • Setting the Warning Messages Levels: Using SQL Developer, PLSQL_WARNINGS Initialization Parameter, and the DBMS_WARNING Package Subprograms
  • View the Compiler Warnings: Using SQL Developer, SQL*Plus, or the Data Dictionary Views
Manage PL/SQL Code
  • What Is Conditional Compilation?
  • Implement Selection Directives
  • Invoke Predefined and User-Defined Inquiry Directives
  • The PLSQL_CCFLAGS Parameter and the Inquiry Directive
  • Conditional Compilation Error Directives to Raise User-Defined Errors
  • The DBMS_DB_VERSION Package
  • Write DBMS_PREPROCESSOR Procedures to Print or Retrieve Source Text
  • Obfuscation and Wrapping PL/SQL Code
Manage Dependencies
  • Overview of Schema Object Dependencies
  • Query Direct Object Dependencies Using the USER_DEPENDENCIES View
  • Query an Object’s Status
  • Invalidation of Dependent Objects
  • Display Direct and Indirect Dependencies
  • Fine-Grained Dependency Management in Oracle Database
  • Understand Remote Dependencies
  • Recompile a PL/SQL Program Unit

Course Objectives
  • Manage dependencies between PL/SQL subprograms.
  • Use conditional compilation to customize the functionality in a PL/SQL application without removing any source code.
  • Create stored procedures and functions.
  • Design PL/SQL packages to group related constructs.
  • Create overloaded package subprograms for more flexibility.
  • Use the Oracle supplied PL/SQL packages to generate screen output, file output, and mail output.
  • Write dynamic SQL for more coding flexibility.
  • Design PL/SQL code for pre-defined data types, local subprograms, additional programs, standardized constants and exceptions.
  • Create triggers to solve business challenges.
  • Use the compiler warnings infrastructure.

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