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Overview

This PL/SQL application programming workshop focuses on PL/SQL definitions, semantics, constructs, etc. The training goals and objectives are mainly realized through extensive use of real-world examples, exercises and hands-on computer-based labs.

 

Objective

At the end of Oracle PL/SQL Application Programming, training course, the participant will be competent to code PL/SQL applications incorporating PL/SQL components and constructs shown under 'Core Topics' in the detailed outline.

 

Suggested Audience –   College Students and Software Developers/Programmers


Good to Have

  • Knowledge SQL

Questions?  Call back

 

Syllabus

Declaring Variables --3hrs
  • PL/SQL Block Structure
  • Executing Statements and PL/SQL Blocks
  • Block Types
  • Program Constructs
  • Use of Variables
  • Handling Variables in PL/SQL
  • Types of Variables
  • Declaring PL/SQL Variables
  • Guidelines for Declaring PL/SQL Variables
  • Naming Rules
  • Variable Initialization and Keywords
  • Scalar Data Types
  • Base Scalar Data Types
  • Scalar Variable Declarations
  • The %TYPE Attribute
  • Declaring Variables with the %TYPE Attribute
  • Declaring Boolean Variables

Interacting with the Oracle Server --3hrs

  • SQL Statements in PL/SQL
  • SELECT Statements in PL/SQL
  • Retrieving Data in PL/SQL
  • Naming Conventions
  • Manipulating Data Using PL/SQL
  • Inserting Data
  • Updating Data
  • Deleting Data
  • Merging Rows
  • Naming Conventions
  • SQL Cursor
  • SQL Cursor Attributes
  • Transaction Control Statements

Writing Control Structures --3hrs

  • Controlling PL/SQL Flow of Execution
  • IF Statements
  • Simple IF Statements
  • Compound IF Statements
  • IF-THEN-ELSE Statement Execution Flow
  • IF-THEN-ELSE Statements
  • IF-THEN-ELSIF Statement Execution Flow
  • IF-THEN-ELSIF Statements
  • CASE Expressions
  • CASE Expressions: Example
  • Handling Nulls
  • Logic Tables
  • Boolean Conditions
  • Iterative Control: LOOP Statements
  • Basic Loops
  • WHILE Loops
  • FOR Loops
  • Guidelines While Using Loops
  • Nested Loops and Labels

Working with Composite Data Types –4hrs

  • Composite Data Types
  • PL/SQL Records
  • Creating a PL/SQL Record
  • PL/SQL Record Structure
  • The %ROWTYPE Attribute
  • Advantages of Using %ROWTYPE
  • The %ROWTYPE Attribute
  • INDEX BY Tables
  • Creating an INDEX BY Table
  • INDEX BY Table Structure
  • Creating an INDEX BY Table
  • Using INDEX BY Table Methods
  • INDEX BY Table of Records
  • Example of INDEX BY Table of Records

Writing Explicit Cursors --4hrs

  • About Cursors Explicit Cursor Functions
  • Controlling Explicit Cursors
  • Declaring the Cursor
  • Opening the Cursor
  • Fetching Data from the Cursor
  • Closing the Cursor
  • Explicit Cursor Attributes
  • The %ISOPEN Attribute
  • Controlling Multiple Fetches
  • The %NOTFOUND and %ROWCOUNT Attributes
  • Cursors and Records
  • Cursor FOR Loops
  • Cursor FOR Loops Using Subqueries
  • Cursors with Parameters
  • The FOR UPDATE Clause
  • The WHERE CURRENT OF Clause
  • Cursors with Subqueries

Handling Exceptions --2hrs

  • Handling Exceptions with PL/SQL
  • Handling Exceptions
  • Exception Types
  • Trapping Exceptions
  • Trapping Exceptions Guidelines
  • Trapping Predefined Oracle Server Errors
  • Predefined Exceptions
  • Trapping Nonpredefined Oracle Server Errors
  • Nonpredefined Error
  • Functions for Trapping Exceptions
  • Trapping User-Defined Exceptions
  • User-Defined Exceptions
  • Calling Environments
  • Propagating Exceptions
  • The RAISE_APPLICATION_ERROR Procedure
  • RAISE_APPLICATION_ERROR

 

Creating Procedures --4hrs

  • PL/SQL Program Constructs
  • Overview of Subprograms 5
  • Block Structure for Anonymous PL/SQL Blocks
  • Block Structure for PL/SQL Subprograms
  • PL/SQL Subprograms
  • Benefits of Subprograms
  • Invoking Stored Procedures and Functions
  • What Is a Procedure?
  • Syntax for Creating Procedures
  • Developing Procedures
  • Formal Versus Actual Parameters
  • Procedural Parameter Modes
  • Creating Procedures with Parameters
  • IN Parameters: Example
  • OUT Parameters: Example
  • Viewing OUT Parameters
  • IN OUT Parameters
  • Viewing IN OUT Parameters
  • Methods for Passing Parameters
  • DEFAULT Option for Parameters
  • Examples of Passing Parameters
  • Declaring Subprograms
  • Invoking a Procedure from an Anonymous PL/SQL Block
  • Invoking a Procedure from Another Procedure
  • Handled Exceptions
  • Unhandled Exceptions
  • Removing Procedures

Creating Functions --3hrs

  • Overview of Stored Functions
  • Syntax for Creating Functions
  • Creating a Function
  • Executing Functions
  • Executing Functions: Example
  • Advantages of User-Defined Functions in SQL Expressions
  • Invoking Functions in SQL Expressions: Example
  • Locations to Call User-Defined Functions
  • Restrictions on Calling Functions from SQL Expressions
  • Restrictions on Calling from SQL
  • Removing Functions
  • Procedure or Function?
  • Comparing Procedures and Functions
  • Benefits of Stored Procedures and Functions

 

 

Managing Subprograms --2hrs

  • Required Privileges
  • Granting Access to Data
  • Using Invoker's-Rights
  • Managing Stored PL/SQL Objects
  • USER_OBJECTS
  • List All Procedures and Functions
  • USER_SOURCE Data Dictionary View
  • List the Code of Procedures and Functions
  • USER_ERRORS
  • Detecting Compilation Errors: Example
  • List Compilation Errors by Using USER_ERRORS
  • List Compilation Errors by Using SHOW ERRORS

 

Creating Packages –3hrs

  • Overview of Packages
  • Components of a Package
  • Referencing Package Objects
  • Developing a Package
  • Creating the Package Specification
  • Declaring Public Constructs
  • Creating a Package Specification: Example
  • Creating the Package Body
  • Public and Private Constructs
  • Creating a Package Body: Example
  • Invoking Package Constructs
  • Declaring a Bodiless Package
  • Referencing a Public Variable from a Stand-Alone Procedure
  • Removing Packages
  • Guidelines for Developing Packages
  • Advantages of Packages

Creating Database Triggers --3hrs

  • Types of Triggers
  • Guidelines for Designing Triggers
  • Database Trigger: Example
  • Creating DML Triggers
  • DML Trigger Components
  • Firing Sequence
  • Syntax for Creating DML Statement Triggers
  • Creating DML Statement Triggers
  • Testing SECURE_EMP
  • Using Conditional Predicates
  • Creating a DML Row Trigger
  • Creating DML Row Triggers
  • Using OLD and NEW Qualifiers
  • Using OLD and NEW Qualifiers: Example Using Audit_Emp_Table
  • Restricting a Row Trigger
  • INSTEAD OF Triggers
  • Creating an INSTEAD OF Trigger
  • Differentiating Between Database Triggers and Stored Procedures
  • Differentiating Between Database Triggers and Form Builder Triggers
  • Managing Triggers
  • DROP TRIGGER Syntax
  • Trigger Test Cases
  • Trigger Execution Model and Constraint Checking
  • Trigger Execution Model and Constraint Checking: Example
  • A Sample Demonstration for Triggers Using Package Constructs
  • After Row and After Statement Triggers
  • Demonstration: VAR_PACK Package Specification

 

Questions?  Request a call back

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