Oracle PLSQL Training

Introduction

Course Objectives

Course Agenda
Human Resources (HR) Schema
Introduction to SQL Developer
Introduction to PL/SQL

PL/SQL Overview
Benefits of PL/SQL Subprograms
Overview of the Types of PL/SQL blocks
Create a Simple Anonymous Block
Generate Output from a PL/SQL Block
PL/SQL Identifiers

List the different Types of Identifiers in a PL/SQL subprogram
Usage of the Declarative Section to define Identifiers
Use variables to store data
Identify Scalar Data Types
The %TYPE Attribute
What are Bind Variables?
Sequences in PL/SQL Expressions
Write Executable Statements

Describe Basic PL/SQL Block Syntax Guidelines
Comment Code
Deployment of SQL Functions in PL/SQL
How to convert Data Types?
Nested Blocks
Identify the Operators in PL/SQL
Interaction with the Oracle Server

Invoke SELECT Statements in PL/SQL to Retrieve data
Data Manipulation in the Server Using PL/SQL
SQL Cursor concept
Usage of SQL Cursor Attributes to Obtain Feedback on DML
Save and Discard Transactions
Control Structures

Conditional processing Using IF Statements
Conditional processing Using CASE Statements
Use simple Loop Statement
Use While Loop Statement
Use For Loop Statement
Describe the Continue Statement
Composite Data Types

Use PL/SQL Records
The %ROWTYPE Attribute
Insert and Update with PL/SQL Records
Associative Arrays (INDEX BY Tables)
Examine INDEX BY Table Methods
Use INDEX BY Table of Records
Explicit Cursors

What are Explicit Cursors?
Declare the Cursor
Open the Cursor
Fetch data from the Cursor
Close the Cursor
Cursor FOR loop
Explicit Cursor Attributes
FOR UPDATE Clause and WHERE CURRENT Clause
Exception Handling

Understand Exceptions
Handle Exceptions with PL/SQL
Trap Predefined Oracle Server Errors
Trap Non-Predefined Oracle Server Errors
Trap User-Defined Exceptions
Propagate Exceptions
RAISE_APPLICATION_ERROR Procedure
Stored Procedures and Functions

Understand Stored Procedures and Functions
Differentiate between anonymous blocks and subprograms
Create a Simple Procedure
Create a Simple Procedure with IN parameter
Create a Simple Function
Execute a Simple Procedure
Execute a Simple Function
Create Stored Procedures

Create a Modularized and Layered Subprogram Design
Modularize Development With PL/SQL Blocks
Describe the PL/SQL Execution Environment
Identity 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 Procedures 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
Identity the advantages of Using Stored Functions in SQL Statements
List the steps to create a stored function
Implement User-Defined Functions in SQL Statements
Identity the restrictions when calling Functions from SQL statements
Control Side Effects when calling Functions from SQL Expressions
View Functions Information
Create Packages

Identity 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 Package Constructs
View 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 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
Compare 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 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 the Direct and Indirect Dependencies
Fine-Grained Dependency Management in Oracle Database 11g
Understand Remote Dependencies
Recompile a PL/SQL Program Unit