7. Stored Procedures
SQLite Tutorial - 8. Functions

8.1 Introduction to Database Functions

What is Functions?

Overview of the course objectives and topics

Importance of functions in database management

Introduction to the concept of functions in relational databases


8.2 Understanding Database Functions

Definition of a database function and its purpose

Different types of functions: scalar functions, table-valued functions, and aggregate functions

Advantages and limitations of using functions in database systems


8.3 Scalar Functions

Introduction to scalar functions and their use cases

Syntax and semantics of creating scalar functions in SQL

Implementing basic arithmetic, string manipulation, and date/time functions


8.4 Table-Valued Functions

Understanding table-valued functions and their use cases

Creating inline table-valued functions and multi-statement table-valued functions

Using table-valued functions to return result sets from complex queries


8.5 Aggregate Functions

Overview of aggregate functions and their role in data summarization

Syntax and semantics of creating aggregate functions in SQL

Implementing common aggregate functions such as SUM, AVG, COUNT, MAX, MIN


8.6 Built-In Functions

Exploring built-in functions provided by the database management system

Reviewing common built-in functions for string manipulation, date/time operations, and mathematical calculations

Understanding the usage and behavior of built-in functions


8.7 User-Defined Functions (UDFs)

Introduction to user-defined functions and their benefits

Creating and using user-defined functions in SQL

Implementing custom business logic with UDFs


8.8 Modifying Functions

Altering existing functions to change their structure or behavior

Adding or removing parameters or procedural logic

Dropping functions from the database schema


8.9 Calling Functions

Techniques for invoking functions from queries, stored procedures, or other functions

Passing input parameters and retrieving output values

Handling errors and exceptions during function execution


8.10 Security and Authorization

Managing access control for functions

Granting and revoking privileges on functions

Implementing function security best practices


8.11 Performance Optimization

Analyzing the performance impact of functions on query execution

Identifying and optimizing performance bottlenecks in function calls

Best practices for designing efficient and scalable functions


8.12 Advanced Function Concepts

Advanced function features such as recursive functions and window functions

Using functions for complex data transformations and analytics

Real-world use cases and case studies demonstrating advanced function usage


7. Stored Procedures