1. Variables Declaration
· Introduction to PL/SQL Variables
· Variable Declaration Syntax
· Naming Rules for Variables
· Declaring Scalar Variables
· Declaring Numeric Variables
· Declaring Character Variables
· Declaring Date Variables
· Declaring Boolean Variables
· Declaring LONG and RAW Variables
· Declaring Constants (CONSTANT keyword)
· Using %TYPE Attribute
· Using %ROWTYPE Attribute
· Declaring Composite Variables (RECORD)
· Declaring Collections (VARRAY, Nested Tables, Associative Arrays)
· Declaring Variables in Anonymous Blocks
· Declaring Variables in Procedures
· Declaring Variables in Functions
· Declaring Variables in Packages
· Default Values for Variables
· Initializing Variables
· Scope of Variables
· Lifetime of Variables
· Local vs Global Variables
· Using Variables with Cursors
· Variables in Loops
· Variables in Conditional Statements
· Variables in Dynamic SQL
· Variables and Exception Handling
· Best Practices for Variable Naming
· Common Variable Declaration Errors
2. Using SQL Statements Within a PL/SQL Block
· Introduction to SQL in PL/SQL
· Embedding DML Statements in PL/SQL
· SELECT INTO Statement
· INSERT Statement
· UPDATE Statement
· DELETE Statement
· MERGE Statement
· Using COMMIT in PL/SQL
· Using ROLLBACK in PL/SQL
· Using SAVEPOINT in PL/SQL
· Using DDL Statements in PL/SQL
· EXECUTE IMMEDIATE for DDL
· Using SQL Functions in PL/SQL
· Using Aggregate Functions in PL/SQL
· Using Scalar Functions in PL/SQL
· Using Built-in Date Functions
· Using String Functions
· Using Numeric Functions
· Using Conditional Expressions in SQL
· Cursors with SQL Statements
· Implicit Cursors for SQL DML
· Explicit Cursors for SQL Queries
· Cursor FOR Loops
· Dynamic SQL with EXECUTE IMMEDIATE
· Bulk Collect with SQL Statements
· FORALL with SQL DML
· Exception Handling for SQL Errors
· SQL%ROWCOUNT, SQL%FOUND, SQL%NOTFOUND
· Performance Considerations for SQL in PL/SQL
· Best Practices for Using SQL in PL/SQL
3. Writing Executable Statements
· Introduction to Executable Statements
· Assignment Statements
· Using the := Operator
· SQL Statements in PL/SQL
· SELECT INTO Statement
· INSERT Statement
· UPDATE Statement
· DELETE Statement
· MERGE Statement
· COMMIT Statement
· ROLLBACK Statement
· SAVEPOINT Statement
· DDL Statements in PL/SQL
· EXECUTE IMMEDIATE for DDL
· Calling Procedures
· Calling Functions
· Using Built-in Functions
· Using User-Defined Functions
· LOOP Statements as Executable Code
· IF-ELSE as Executable Statements
· CASE as Executable Statement
· WHILE LOOP as Executable Statement
· FOR LOOP as Executable Statement
· EXIT and EXIT WHEN Statements
· Exception Handling Statements
· RAISE Statement
· RAISE_APPLICATION_ERROR Statement
· NULL Statement
· Using EXECUTE IMMEDIATE for Dynamic DML
· Best Practices for Writing Executable Statements
4. Control Statement
· Introduction to Control Statements
· IF Statement
· IF-ELSE Statement
· IF-ELSIF-ELSE Statement
· CASE Statement
· Simple CASE Expression
· Searched CASE Expression
· LOOP Statement
· Basic LOOP Structure
· EXIT Statement
· EXIT WHEN Statement
· WHILE LOOP Statement
· FOR LOOP Statement
· Numeric FOR LOOP
· Cursor FOR LOOP
· Nested Loops
· GOTO Statement
· NULL Statement
· CONTINUE Statement
· CONTINUE WHEN Statement
· Using Control Statements with Cursors
· Control Statements in Procedures
· Control Statements in Functions
· Control Statements in Packages
· Control Statements in Triggers
· Combining IF and LOOP Statements
· Error Handling within Control Statements
· Optimizing Loops for Performance
· Avoiding Infinite Loops
· Best Practices for Control Statements
5. Composite Data Type
· Introduction to Composite Data Types
· RECORD Data Type
· User-Defined RECORD Types
· Table-Based RECORD Types (%ROWTYPE)
· Nested RECORDs
· Assigning Values to RECORD Fields
· RECORDs in Procedures
· RECORDs in Functions
· RECORDs in Packages
· RECORDs and Cursors
· Associative Arrays (INDEX BY Tables)
· Defining Associative Arrays
· Associative Array Methods (FIRST, LAST, NEXT, PRIOR)
· VARRAY Data Type
· Defining VARRAY Types
· VARRAY Limits and Size
· Nested Tables
· Defining Nested Table Types
· Nested Table vs VARRAY
· Collection Methods (COUNT, EXTEND, DELETE, TRIM)
· BULK COLLECT with Collections
· FORALL with Collections
· Collections in SQL vs PL/SQL
· Passing Collections as Parameters
· Collection Initialization
· Multidimensional Collections
· Collections and Exception Handling
· Collections Performance Considerations
· Using Composite Types in Packages
· Best Practices for Composite Data Type
6. Cursor
· Introduction to Cursors
· Implicit Cursors
· Explicit Cursors
· Cursor Attributes (%FOUND, %NOTFOUND, %ROWCOUNT, %ISOPEN)
· Cursor Declaration
· Opening a Cursor
· Fetching Data from a Cursor
· Closing a Cursor
· Cursor FOR Loop
· Parameterized Cursors
· Nested Cursors
· Cursors with Joins
· Cursor Variables (REF CURSOR)
· Strong REF CURSOR
· Weak REF CURSOR
· Passing Cursors as Parameters
· Using Cursors in Stored Procedures
· Using Cursors in Functions
· Using Cursors in Packages
· Cursor and Exception Handling
· Cursor Performance Considerations
· Bulk Collect with Cursors
· FORALL with Cursors
· Cursors vs Loops
· Cursor Scope and Lifetime
· Cursors in Triggers
· Dynamic SQL with Cursors
· Cursor Memory Management
· Common Cursor Errors
· Best Practices for Oracle Cursors
7. Handling Exceptions
· Introduction to Exception Handling
· Predefined Exceptions
· User-Defined Exceptions
· Raising Exceptions
· RAISE Statement
· RAISE_APPLICATION_ERROR
· Exception Declaration
· Exception Section in PL/SQL
· WHEN OTHERS Exception
· Exception Propagation
· Nested Exception Handling
· Handling NO_DATA_FOUND
· Handling TOO_MANY_ROWS
· Handling ZERO_DIVIDE
· Handling DUP_VAL_ON_INDEX
· Handling INVALID_CURSOR
· Handling VALUE_ERROR
· Using SQLCODE and SQLERRM
· Exception Handling in Procedures
· Exception Handling in Functions
· Exception Handling in Packages
· Exception Handling in Triggers
· Exception Handling in Cursors
· Re-Raising Exceptions
· Logging Errors in Exception Handling
· Exceptions and Transactions
· Autonomous Transactions for Error Logging
· Exception Handling Best Practices
· Common Exception Handling Mistakes
· Performance Considerations in Exception Handling
8. Procedure
· Introduction to Stored Procedures
· Creating a Procedure
· Procedure Syntax and Structure
· IN Parameters
· OUT Parameters
· IN OUT Parameters
· Calling a Procedure
· Procedures vs Functions
· Local Procedures
· Nested Procedures
· Procedures in Packages
· Passing Records to Procedures
· Passing Cursors to Procedures
· Using Procedures with Tables
· Using Procedures with Views
· Exception Handling in Procedures
· User-Defined Exceptions in Procedures
· Transaction Control in Procedures
· COMMIT and ROLLBACK in Procedures
· Dynamic SQL in Procedures
· Using Procedures with Triggers
· Overloading Procedures
· Procedure Compilation Errors
· Debugging Procedures
· Security and Privileges for Procedures
· Performance Tuning Procedures
· Procedures with Autonomous Transactions
· Recompiling Procedures
· Dropping Procedures
· Best Practices for Oracle Procedures
9. Functions
· Introduction to PL/SQL Functions
· Creating a Function
· Function Syntax and Structure
· RETURN Statement
· Deterministic Functions
· Functions with IN Parameters
· Functions with OUT Parameters
· Functions with IN OUT Parameters
· Calling Functions in SQL
· Calling Functions in PL/SQL
· Functions vs Procedures
· Functions in Packages
· Functions with Composite Data Types
· Functions Returning RECORD Types
· Functions Returning Collections
· Pipelined Table Functions
· Functions and Exception Handling
· User-Defined Exceptions in Functions
· Functions and Transaction Control
· Autonomous Transaction Functions
· Recursive Functions
· Functions Using Cursors
· Functions with Dynamic SQL
· Function Overloading
· Function Compilation Errors
· Debugging Functions
· Security and Privileges for Functions
· Performance Considerations for Functions
· Recompiling Functions
· Best Practices for PL/SQL Functions
10. Triggers
· Introduction to Oracle Triggers
· Types of Triggers in Oracle
· DML Triggers
· DDL Triggers
· Database Event Triggers
· BEFORE Triggers
· AFTER Triggers
· INSTEAD OF Triggers
· Row-Level Triggers
· Statement-Level Triggers
· Trigger Firing Order
· Trigger Creation Syntax
· Using :OLD and :NEW Pseudorecords
· Trigger Timing Points
· Mutating Table Error
· Compound Triggers
· Trigger Restrictions and Limitations
· Trigger vs Stored Procedure
· Enabling and Disabling Triggers
· Dropping Triggers
· Viewing Trigger Metadata (USER_TRIGGERS)
· Error Handling in Triggers
· Trigger Performance Considerations
· Triggers on Views
· Auditing with Triggers
· Cascading Triggers
· Recursive Triggers
· Trigger Security Considerations
· Best Practices for Oracle Triggers
· Common Trigger Use Cases
11. Package
· Introduction to Packages
· Package Specification
· Package Body
· Creating a Package
· Package Variables
· Package Constants
· Package Procedures
· Package Functions
· Public vs Private Package Members
· Package Initialization Section
· Package Overloading
· Using Packages in PL/SQL
· Calling Package Procedures
· Calling Package Functions
· Packages and Encapsulation
· Packages in Stored Procedures
· Packages in Functions
· Packages and Cursors
· Packages and Exceptions
· Packages and Triggers
· Package Compilation Errors
· Debugging Packages
· Package Dependencies
· Package State and Session Persistence
· Recompiling Packages
· Dropping Packages
· Security and Privileges for Packages
· Performance Benefits of Packages
· Package Best Practices
· Common Package Use Cases
12. Dynamic SQL
· Introduction to Dynamic SQL
· Static SQL vs Dynamic SQL
· Native Dynamic SQL (EXECUTE IMMEDIATE)
· DBMS_SQL Package Overview
· When to Use Dynamic SQL
· Building Dynamic SQL Statements
· Dynamic DDL Statements
· Dynamic DML Statements
· Dynamic SELECT Statements
· Using Bind Variables in Dynamic SQL
· IN Bind Variables
· OUT Bind Variables
· Dynamic SQL with RETURNING INTO
· Using EXECUTE IMMEDIATE with INTO
· Dynamic SQL in Procedures
· Dynamic SQL in Functions
· Dynamic SQL in Packages
· Dynamic SQL in Triggers
· Dynamic SQL with Cursors
· Using DBMS_SQL.PARSE
· Using DBMS_SQL.BIND_VARIABLE
· Using DBMS_SQL.EXECUTE
· Converting DBMS_SQL to Native Dynamic SQL
· Handling Errors in Dynamic SQL
· SQL Injection Risks
· Preventing SQL Injection
· Performance Considerations in Dynamic SQL
· Dynamic SQL and Privileges
· Debugging Dynamic SQL
· Best Practices for Dynamic SQL
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