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Computer Science
Databases
SQLite Database
1. Introduction to SQLite
2. Getting Started with SQLite
3. Core SQL Concepts and Data Definition
4. Data Manipulation Language
5. Querying Data with SELECT
6. Advanced SQL Features
7. Database Administration and Optimization
8. Using SQLite with Programming Languages
9. SQLite Extensions and Advanced Capabilities
10. SQLite Internals and Architecture
11. Performance Tuning and Best Practices
12. Security Considerations
13. Troubleshooting and Debugging
Advanced SQL Features
Subqueries
Scalar Subqueries
Multi-Row Subqueries
Correlated Subqueries
Subqueries in FROM Clause
Subqueries in WHERE Clause
Subqueries in SELECT Clause
EXISTS and NOT EXISTS
Subquery Performance Considerations
Views
Creating Views with CREATE VIEW
Querying Data from Views
Updatable Views and Limitations
Dropping Views with DROP VIEW
View Security Considerations
Materialized View Emulation
Triggers
CREATE TRIGGER Syntax
BEFORE Triggers
AFTER Triggers
INSTEAD OF Triggers
Triggers on INSERT
Triggers on UPDATE
Triggers on DELETE
FOR EACH ROW Triggers
Using NEW and OLD Pseudo-Tables
Trigger Execution Order
Recursive Trigger Prevention
Common Table Expressions
The WITH Clause
Non-Recursive CTEs
Recursive CTEs
Multiple CTEs
CTE Performance Considerations
Window Functions
The OVER Clause
PARTITION BY for Windowing
ORDER BY within a Window
Framing Options
ROWS Frame
RANGE Frame
Window Function Types
ROW_NUMBER
RANK
DENSE_RANK
LEAD
LAG
FIRST_VALUE
LAST_VALUE
Aggregate Functions as Window Functions
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