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 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
- 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
Interaction with the Oracle Server
- 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
- Conditional processing using IF Statements
- Conditional processing using CASE Statements
- Describe simple Loop Statement
- Describe While Loop Statement
- Describe For Loop Statement
Composite Data Types
- Use PL/SQL Records
- The %ROWTYPE Attribute
- 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
- 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
- Create, Call, and Remove Stored Procedures
- Implement Procedures Parameters and Parameters Modes
- View Procedure Information
- Create, Call, and Remove a Stored Function
- Invoke User-Defined Functions in SQL Statements
- How to debug Functions and Procedures?
- Listing the advantages of Packages
- Describe Packages
- What are the components of a Package?
- Develop a Package
- How to enable visibility of a Package’s Components?
- Create the Package Specification and Body
- Invoke the Package Constructs
- View the PL/SQL Source Code using the Data Dictionary
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
- 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
- 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?