<aside> 📚 📁 Category: Database

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Overview

PostgreSQL is a powerful, open-source relational database with advanced features like JSON support, full-text search, and extensibility.

<aside> ℹ️ Why It Matters: Understanding PostgreSQL is essential for building robust, scalable, and secure modern applications.

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Key Concepts

• [x] ACID Transactions - Data integrity
• [x] JSONB - Binary JSON storage
• [x] Indexing - B-tree, Hash, GiST, GIN
• [x] Full-Text Search - Advanced search
• [x] Partitioning - Table partitioning
• [x] Replication - Streaming replication
• [x] Extensions - PostGIS, pgcrypto
• [x] CTEs - Common Table Expressions

Common Use Cases

<aside> 💡 Where to Apply PostgreSQL

                        Transactional systems
                        Analytical databases
                        GIS applications
                        Document storage
                        Time-series data
                        Full-text search

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Best Practices

• [x] Use appropriate indexes
• [x] Implement connection pooling
• [x] Regular VACUUM and ANALYZE
• [x] Use transactions properly