Oracle PL/SQL — A 2 day course

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 Open Public Course Closed In-House Course

Synopsis

This course is designed to introduce Oracle DBAs, software development personnel and database support staff to the primary features and constructs of the PL/SQL Programming Language.

Together with the PL/SQL Stored Program Units course, this course is suitable for delegates intending to sit the Oracle examination #1Z0-144: Program with PL/SQL.

Examinations are not included as part of the course and anyone intending to sit examinations should check directly on the Oracle website for up to date requirements.

Objectives

On completion of this course, delegates will have gained knowledge of:

• Writing and running PL/SQL programs from SQL*Plus or SQL Developer
• Declaring and using variables and constants
• Assigning and manipulating values
• Using SQL statements within PL/SQL
• Implementing conditional execution and loop constructs
• Declaring and using cursors with and without parameters
• Updating data with cursors
• Trapping and handling errors and exceptions in code
• Implementing nested and labeled loops and blocks
• Raising exceptions
• Handling PL/SQL records and tables
• Using PL/SQL table built-in functions

Suitable For

Oracle database administrators, software development personnel and database support staff who need to write PL/SQL scripts to enhance their productivity in manipulating data.

Prerequisites

A working knowledge of Oracle's SQL*Plus or SQL Developer products and practical experience in writing SQL statements. This can be gained by attendance of the Oracle SQL course.

Some previous programming experience will also prove advantageous

Publicly scheduled dates, locations, and prices

Contents

PL/SQL Fundamentals

• What is PL/SQL?
• Basic Elements
• Variables and Constants
• Data Types
• Initialising Variables and Assigning Values
• Using SQL Statements in Code
• Generating Output to SQL or SQL Developer

Program Logic

• IF THEN ELSIF ELSE Statements
• CASE Statements
• The Basic Loop Construct
• WHILE and FOR Loops
• Nested and Labeled Loops
• The GOTO Statement
• The CONTINUE Statement

Using Cursors

• What is a Cursor?
• Implicit and Explicit Cursors
• Cursor Operations
• Declaring, Opening and Closing Cursors
• Fetching Rows
• Status Checking
• Using Cursors FOR UPDATE
• The Cursor FOR Loop
• Parameterised Cursors

Exceptions and Nested Blocks

• The EXCEPTION Section
• Types of Exception
• Handling Named System-Raised Exceptions
• Handling Un-named System-Raised Exceptions
• User-Declared Exceptions and Application Errors
• WHEN OTHERS THEN NULL
• Nested and Labelled Blocks
• Propagation of Exceptions
• Scope of Variables and Cursors
• Scope of Goto Statements

PL/SQL Records and Index-By Tables

• Declaring Record Types
• Handling PL/SQL Records
• Nested Records
• Declaring PL/SQL Index-By Tables or Associative Arrays
• PL/SQL Table Built-in Functions
• Manipulating PL/SQL Tables or Associative Arrays