IT TRAINING

Oracle Database – Program with PL/SQL Ed 2

This course introduces you to PL/SQL and then you will explore the benefits of this powerful programming language. You will learn to develop stored procedures, functions, packages and more, through hands-on instruction from expert Oracle instructors.

 

You will also learn conditionally control code flow (loops, control structures), how to create stored procedures and functions, how to use PL/SQL packages to group and contain related constructs, how to create triggers to solve business challenges, how to use some of the Oracle supplied PL/SQL packages to generate screen output and file output, how to create custom packages for applications and how to write Dynamic SQL code for applications.

Who needs to attend

Who needs to attend?
This course is aimed at Application Developers, Database Administrators, Developers, Forms Developer, PL/SQL Developers, Portal Developers, System Analysts and Technical Consultants.

what you will learn

What you will learn

Upon completion you will know how to:

  • Manage dependencies between PL/SQL subprograms;
  • Use PL/SQL programming constructs and conditionally control code flow (loops, control structures, and explicit cursors);
  • Create stored procedures and functions;
  • Use conditional compilation to customize the functionality in a PL/SQL application without removing any source code;
  • Use the Oracle supplied PL/SQL packages to generate screen output, file output and mail output;
  • Write dynamic SQL for more coding flexibility;
  • Create overloaded package subprograms for more flexibility;
  • Create triggers to solve business challenges;
  • Create and debug stored procedures and functions;
  • Describe the features and syntax of PL/SQL;
  • Design PL/SQL anonymous blocks that execute efficiently;
  • Design PL/SQL packages to group related constructs;
  • Handle runtime errors.
Prerequisites

Prerequisites

Students need to have:

  • Oracle Database: Introduction to SQL;
  • Oracle Database: SQL Workshop I Ed 2 NEW;
  • Oracle Database: SQL Workshop II Ed 2 NEW;
  • Previous programming experience.
Course outline

Course Outline

Introduction

  • Course Objectives
  • Course Agenda
  • Describe the Human Resources (HR) Schema
  • PL/SQL development environments available in this course
  • Introduction to SQL Developer

 

Working with Oracle Cloud Exadata Express Cloud Service

  • Introduction to Oracle Database Exadata Express Cloud Service
  • Accessing Cloud Database using SQL Workshop
  • Connecting to Exadata Express using Database Clients

 

Introduction to PL/SQL

  • Overview of PL/SQL
  • Identify the benefits of PL/SQL Subprograms
  • Overview of the types of PL/SQL blocks
  • Create a Simple Anonymous Block
  • How to generate output from a PL/SQL Block?

 

Declare PL/SQL Variables

  • 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 Anonymous PL/SQL Blocks

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

 

SQL Statements in a PL/SQL block

  • Invoke SELECT Statements in PL/SQL
  • Retrieve Data in PL/SQL
  • SQL Cursor concept
  • Avoid Errors by using Naming Conventions when using Retrieval and DML Statements
  • Data Manipulation in the Server using PL/SQL
  • Understand the SQL Cursor concept
  • Use SQL Cursor Attributes to Obtain Feedback on DML
  • Save and Discard Transactions

 

Control Structures

  • Conditional processing using IF Statements
  • Conditional processing using CASE Statements
  • Describe simple Loop Statement
  • Describe While Loop Statement
  • Describe For Loop Statement
  • Use the Continue Statement

 

Composite Data Types

  • Use PL/SQL Records
  • The %ROWTYPE Attribute
  • Insert and Update with PL/SQL Records
  • 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
  • The %NOTFOUND and %ROWCOUNT Attributes
  • Describe the 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

  • Create a Modularized and Layered Subprogram Design
  • Modularize Development With PL/SQL Blocks
  • Understand the PL/SQL Execution Environment
  • List the benefits of using PL/SQL Subprograms
  • List the differences between Anonymous Blocks and Subprograms
  • Create, Call, and Remove Stored Procedures
  • Implement Procedures Parameters and Parameters Modes
  • View Procedure Information

 

Stored Functions

  • Create, Call, and Remove a Stored Function
  • Identify the advantages of using Stored Functions
  • Identify the steps to create a stored function
  • Invoke User-Defined Functions in SQL Statements
  • Restrictions when calling Functions
  • Control side effects when calling Functions
  • View Functions Information

 

Debugging Subprograms

  • How to debug Functions and Procedures?
  • Debugging through SQL Developer

 

Packages

  • Listing the advantages of Packages
  • Describe Packages
  • What are the components of a Package?
  • Develop a Package
  • How to enable visibility of a Packages 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

 

Deploying 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
  • How to 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)
  • Differences between Statement Level Triggers and Row Level Triggers
  • Create Instead of and Disabled Triggers
  • How to Manage, Test and Remove Triggers?

 

Creating Compound, DDL, and Event Database Triggers

  • What are Compound Triggers?
  • Identify the Timing-Point Sections of a Table Compound Trigger
  • Understand the 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-Events Triggers
  • System Privileges Required to Manage Triggers

 

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 Dependencies

  • Overview of Schema Object Dependencies
  • Query Direct Object Dependencies using the USER_DEPENDENCIES View
  • Query an Objects Status
  • Invalidation of Dependent Objects
  • Display the Direct and Indirect Dependencies
  • Fine-Grained Dependency Management in Oracle Database 12c
  • Understand Remote Dependencies
  • Recompile a PL/SQL Program Unit

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