From 2d815515c08bf2e0b6f37cf9f1e42d16423be859 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E8=98=AD?= <81747598+lan-yonghui@users.noreply.github.com>
Date: Tue, 3 Dec 2024 13:45:29 +0800
Subject: [PATCH] docs: Add English README for PostgreSQL app (#2643)

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+# PostgreSQL
+
+PostgreSQL is a powerful open-source relational database management system (RDBMS) known for its reliability, scalability, and advanced features. It is widely used across various applications and industries.
+
+## Main Features:
+
+### Multi-User Support
+
+PostgreSQL supports multiple users, each with their own accounts and permissions. This allows simultaneous access and management of the database without interference between users.
+
+### ACID
+
+PostgreSQL adheres to ACID properties (Atomicity, Consistency, Isolation, Durability), ensuring reliable and consistent database operations, even during system crashes or failures, maintaining data integrity.
+
+### Rich Data Type Support
+
+PostgreSQL provides a wide range of built-in data types, including integers, floating points, dates/times, text, and binary data. It also supports user-defined data types, offering flexibility for various use cases.
+
+### Extensions
+
+Users can easily add new functions, operators, aggregate functions, and data types to PostgreSQL, making it adaptable to specific application requirements and diverse data processing tasks.
+
+### Foreign Key Support
+
+PostgreSQL supports foreign keys to define relationships between tables, ensuring referential integrity and preventing inconsistent data associations.
+
+### Multi-Version Concurrency Control (MVCC)
+
+PostgreSQL uses MVCC to handle concurrent database access, allowing multiple transactions to interact simultaneously without data conflicts or locks.
+
+### Advanced Query Optimization
+
+PostgreSQL features a powerful query optimizer to efficiently execute complex queries, enhancing performance and reducing query execution time.
+
+### Backup and Recovery
+
+PostgreSQL supports online backup and recovery operations, enabling easy database backups and data restoration when needed, ensuring data availability and security.
+
+### External Data Access
+
+PostgreSQL allows integration with external data sources, such as other databases, files, and web services, enabling seamless data consolidation and integration.
+
+### Security
+
+PostgreSQL offers comprehensive security features, including access controls, SSL support, data encryption, and auditing capabilities, ensuring the protection of sensitive information.
+
+### JSON and JSONB Data Types
+
+PostgreSQL supports storing and querying JSON data using JSON and binary JSON (JSONB) data types, making it ideal for managing semi-structured data.
+
+### Replication and High Availability
+
+PostgreSQL supports streaming replication and logical replication to enable data replication and high availability configurations, ensuring system resilience and fault tolerance.
+
+### Community Support and Extensions
+
+PostgreSQL has an active community and a rich ecosystem of extensions and plugins to meet the needs of various industries and applications.
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