Course content of SQL and PL/SQL
Session 1: Understanding Oracle SQL Basics
1. The Relational Database Model(RDBMS)
Understanding necessity of database
What is RDBMS
Code rules
Oracle back ground
What is SQL and PL-SQL and its tools
2. Oracle Database Objects
Understanding oracle Database objects and its need
Tables/Views/Procedures/Triggers/
SQL Plus Worksheet
Formatting outputs
3. SQL Definition
What is SQL
Types of SQL
Data Control Language (DCL) statements
Data Definition Language (DDL) statements
Data Manipulation Language (DML) statements – Basics
Transaction Control (TCL) statements
4. Test on Understanding Oracle SQL Basics & Review
Session 2: (8 Hours): Data Manipulation Language (DML)
1. Retrieving Data from the Database
The SELECT Statement
Types of SELECT Statement
The DUAL Table:
What is a NULL?
Pseudo-Columns:
More about SQL-Plus Formatting:
2. Filtering SELECT Statements
The WHERE Clause
Conditional Comparisons
Using the WHERE Clause
Using Logical Operators:
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3. INSERT/ UPDATE/ DELETE/ MERGE
Adding Data with INSERT
Multiple Table INSERT:
Changing Data with UPDATE
Remove Data with DELETE or TRUNCATE
Merging Tables with MERGE
Locking and Visibility of Data Changes
COMMIT vs ROLLBACK
4. SQL Workshop
Session 3: Test on SQL & Review
Session 4: Advanced SQL Programming.
1. Sorting SELECT Statements
The ORDER BY Clause
Sorting Methods
2. Joining Multiple Tables
What is a Join?
Two Join Syntax Formats
Types of Joins:
Cross Join or Cartesian Product
Natural or Inner Join:
Outer Join:
Self Join
Equi-Joins, Anti-Joins and Range-Joins
Mutable and Complex Joins
3. Summarizing with GROUP BY
What does GROUP BY do?
The GROUP BY Clause
Types of Grouping Functions
Special Behavior:
Summary Functions
Statistical Functions
Other Functions
Filtering GROUP BY with the HAVING Clause
Extending the GROUP BY Clause:
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4. Sub-queries and Other Advanced Queries
What is a Sub-query?
Types of Sub-queries
Comparison Conditions Revisited:
Regular vs. Correlated Sub-queries
Nested Sub-queries and Replacing Joins
Where can Sub-queries be used?
Hierarchical Queries
Set Operators and Composite Queries
Session 5: PL-SQL Programming
1. Introduction to PL/SQL
PL/SQL Overview
Benefits of PL/SQL Subprograms
Overview of the Types of PL/SQL blocks
Creating and Executing a Simple Anonymous Block
Generating Output from a PL/SQL Block
Describing Basic PL/SQL Block Syntax Guidelines
SQL Functions in PL/SQL
Data Type Conversion
Nested Blocks
2. Writing Control Structures
Conditional processing Using IF Statements
Conditional processing Using CASE Statements
Simple Loop Statement
While Loop Statement
For Loop Statement
The Continue Statement
3. Using Explicit Cursors
Understanding Explicit Cursors
Declaring the Cursor
Opening the Cursor
Fetching data from the Cursor
Closing the Cursor
Cursor FOR loop
4. Using the PL/SQL Compiler
Using the PL/SQL Compiler
Using the Initialization Parameters for PL/SQL Compilation
Using the New PL/SQL Compile Time Warnings
Overview of PL/SQL Compile Time Warnings for Subprograms
The Benefits of Compiler Warnings
The PL/SQL Compile Time Warning Messages Categories
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Session 6: PL/SQL Advanced Programming
1. Creating Stored Procedures
Modularizing Development with PL/SQL Blocks
Understanding the PL/SQL Execution Environment
The Differences between Anonymous Blocks and Subprograms
Creating, Calling, and Removing Stored Procedures Using the CREATE Command
Using Procedures Parameters and Parameters Modes
Viewing Procedures Information Using the Data Dictionary Views
Using User-Defined Functions in SQL Statements
Restrictions When Calling Functions from SQL statements
Viewing Functions Information
Debugging Functions and Procedures
2. Creating Packages
Listing the Advantages of Packages
Describing Packages
The Components of a Package
Developing a Package
Creating the Package Specification and Body Using the SQL CREATE Statement
Invoking the Package Constructs
Overloading Subprograms in PL/SQL
Using Package Functions in SQL and Restrictions
Persistent State of Packages
Controlling Side Effects of PL/SQL Subprograms
Using PL/SQL Tables of Records in Packages
3. Creating Triggers
Working with Triggers
Identifying the Trigger Event Types and Body
Business Application Scenarios for Implementing Triggers
Creating DML Triggers Using the CREATE TRIGGER Statement
Identifying the Trigger Event Types, Body, and Firing (Timing)
Statement Level Triggers Vs Row Level Triggers
Creating Instead of and Disabled Triggers
Managing, Testing, and Removing Triggers
4. Design Considerations for PL/SQL Code
Standardizing Constants and Exceptions
Using Local Subprograms
Using Autonomous Transactions
Using the NOCOPY Compiler Hint
Using the PARALLEL_ENABLE Hint
Using the DETERMINISTIC Clause with Functions
Session 7: PL/SQL Work-Shop and Test
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