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Open-source relational database management system with advanced features and strong data integrity

Core Idea: PostgreSQL is a powerful, open-source object-relational database system that emphasizes extensibility, standards compliance, and reliability while supporting advanced data types and performance optimizations.

Key Elements

• Core Features

  • ACID compliance (Atomicity, Consistency, Isolation, Durability)
  • JSON and JSONB data types for document storage
  • Full-text search capabilities
  • Multi-Version Concurrency Control (MVCC)
  • Extensibility through custom functions and data types
  • Foreign data wrappers for connecting to external data sources
  • Table inheritance and partitioning

• Technical Specifications

  • Support for complex queries and joins
  • Procedural languages (PL/pgSQL, PL/Python, etc.)
  • Rich indexing capabilities (B-tree, Hash, GiST, SP-GiST, GIN, BRIN)
  • Vector data support via pgvector extension
  • Transaction isolation levels
  • Asynchronous replication
  • Point-in-time recovery

• Deployment Options

  • Self-hosted on bare metal or VPS
  • Containerized deployments
  • Managed services (AWS RDS, Azure Database for PostgreSQL, Google Cloud SQL)
  • High availability configurations
  • Dedicated configurations for different workload types

• Administration Tools

  • pg_dump and pg_restore for backup and migration
  • psql command-line interface
  • pgAdmin graphical interface
  • Connection pooling options (PgBouncer, Pgpool-II)
  • Monitoring tools (pg_stat_statements, pganalyze)

Connections

• Personal: PostgreSQL in my windows machine
• Related Concepts: Self-hosted PostgreSQL (implementation approach), Database Migration (process), ACID Properties (theoretical foundation)
• Broader Context: Relational Databases (category), SQL (query language)
• Applications: Cloud to VPS Migration (practical use case), pgvector (extension for vector operations)
• Components: Database Indexing (performance optimization), Database Replication (scalability feature)

References

1. Official PostgreSQL website: https://www.postgresql.org/
2. PostgreSQL documentation: https://www.postgresql.org/docs/

#database #postgresql #open-source #sql

Connections:

Sources:

• From: Getting back to the EU from Google Cloud to Self-Hosted EU Infrastructure

PostgreSQL in my windows machine
to shut it down run in an admin window:

net stop postgresql-x64-16