This course is useful for those who want to know in detail how Oracle PL/SQL works. Taking up this course will help them understand the basics of PL/SQL and they will be able to start coding in PL/SQL.

Below topics covered in this module:

Introduction to PL/SQL

• PL/SQL Overview
• List the benefits of PL/SQL Subprograms
• Overview of the Types of PL/SQL blocks
• Create a Simple Anonymous Block
• Generate the 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 of variables to store data
• Scalar Data Types
• %TYPE Attribute
• Bind Variables
• Sequences in PL/SQL Expressions

Write Executable Statements

• Basic PL/SQL Block Syntax Guidelines
• How to comment code?
• SQL Functions in PL/SQL
• Data Type Conversion
• Nested Blocks
• Operators in PL/SQL

Interaction with the Oracle Server

• SELECT Statements in PL/SQL to Retrieve data
• Data Manipulation in the Server Using PL/SQL
• The SQL Cursor concept
• Learn to use SQL Cursor Attributes to Obtain Feedback on DML
• How to save and discard transactions?

Control Structures

• Conditional processing Using IF Statements
• Conditional processing Using CASE Statements
• Simple Loop Statement
• While Loop Statement
• For Loop Statement
• The Continue Statement

Usage of Composite Data Types

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

Explicit Cursors

• Understand Explicit Cursors
• Declare the Cursor
• How to open the Cursor?
• Fetching data from the Cursor
• How to close the Cursor?
• Cursor FOR loop
• Explicit Cursor Attributes
• FOR UPDATE Clause and WHERE CURRENT Clause

Exception Handling

• What are 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

• What are 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