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‎.github/CI_STATUS.md‎

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**Last Updated:** 2026-02-20
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**Last Updated:** 2026-02-28
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**Version:** 1.4.1
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**Status:** ✅ Fully Operational with .NET 10 SDK

‎README.md‎

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[![License: MIT](https://img.shields.io/badge/License-MIT-yellow.svg)](https://opensource.org/licenses/MIT)
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[![.NET](https://img.shields.io/badge/.NET-10.0-blue.svg)](https://dotnet.microsoft.com/download)
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[![NuGet](https://img.shields.io/badge/NuGet-1.3.5-blue.svg)](https://www.nuget.org/packages/SharpCoreDB)
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[![NuGet](https://img.shields.io/badge/NuGet-1.4.1-blue.svg)](https://www.nuget.org/packages/SharpCoreDB)
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[![Build](https://img.shields.io/badge/Build-✅_Passing-brightgreen.svg)](https://github.com/MPCoreDeveloper/SharpCoreDB)
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[![Tests](https://img.shields.io/badge/Tests-850+_Passing-brightgreen.svg)](https://github.com/MPCoreDeveloper/SharpCoreDB)
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[![Tests](https://img.shields.io/badge/Tests-1468+_Passing-brightgreen.svg)](https://github.com/MPCoreDeveloper/SharpCoreDB)
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[![C#](https://img.shields.io/badge/C%23-14-purple.svg)](https://learn.microsoft.com/en-us/dotnet/csharp/)
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</div>
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---
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## 📌 **Current Status — v1.4.0 (February 20, 2026)**
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## 📌 **Current Status — v1.4.1 (February 20, 2026)**
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### ✅ **Production-Ready: Phase 10 Distributed Features Complete**
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### ✅ **Production-Ready: Phase 10 Complete + Critical Stability Fixes**
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**SharpCoreDB now supports enterprise-scale distributed databases with multi-master replication, conflict resolution, and bidirectional synchronization with SQL Server via Dotmim.Sync.**
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**SharpCoreDB v1.4.1 delivers critical bug fixes, 60-80% metadata compression, and enterprise-scale distributed features.**
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#### 🎯 Latest Achievements (v1.3.5 → v1.4.0)
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#### 🎯 Latest Release (v1.4.0 → v1.4.1)
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- **Phase 10.1: Dotmim.Sync Integration** ✅
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- Bidirectional sync with SQL Server, PostgreSQL, MySQL, SQLite
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- Multi-tenant filtering for AI agent architectures
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- Enterprise-grade conflict resolution
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- **🐛 Critical Bug Fixes**
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- Database reopen edge case fixed (graceful empty JSON handling)
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- Immediate metadata flush ensures durability
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- Enhanced error messages with JSON preview
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- **Phase 10.2: Multi-Master Replication** ✅
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- Vector clock-based causality tracking
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- Automatic conflict resolution strategies
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- Real-time replication monitoring
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- **📦 New Features**
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- Brotli compression for JSON metadata (60-80% size reduction)
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- Backward compatible format detection
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- Zero breaking changes
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- **Phase 10.3: Distributed Transactions** ✅
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- Two-phase commit protocol across shards
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- Transaction recovery and failover
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- Cross-shard consistency guarantees
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- **Phase 9.2: Advanced Aggregate Functions** ✅
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- Complex aggregates: STDDEV, VARIANCE, CORRELATION, PERCENTILE
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- Histogram and bucketing functions
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- Statistical analysis capabilities
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- **📊 Quality Metrics**
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- **1,468+ tests** (was 850+ in v1.3.5)
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- **100% backward compatible**
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- **All 12 phases production-ready**
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#### 🚀 Full Feature Set (Phases 1-10 Complete)
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- **Phase 10: Enterprise Distributed Features** ✅
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- Multi-master replication with vector clocks (Phase 10.2)
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- Distributed transactions with 2PC protocol (Phase 10.3)
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- Dotmim.Sync integration for cloud sync (Phase 10.1)
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- **Phase 9.1: Analytics Engine Foundation** ✅
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- Basic aggregates: COUNT, SUM, AVG, MIN, MAX
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- Window functions: ROW_NUMBER, RANK, DENSE_RANK
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- Partition and ordering support
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- **Phase 9: Advanced Analytics** ✅
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- 100+ aggregate functions (COUNT, SUM, AVG, STDDEV, VARIANCE, PERCENTILE, CORRELATION)
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- Window functions (ROW_NUMBER, RANK, DENSE_RANK)
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- **150-680x faster than SQLite**
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- **Phase 8: Vector Search Integration** ✅
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- **Phase 8: Vector Search** ✅
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- HNSW indexing with SIMD acceleration
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- 50-100x faster than SQLite
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- **50-100x faster than SQLite**
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- Production-tested with 10M+ vectors
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- **Phase 6.2: A* Pathfinding Optimization** ✅
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- 30-50% performance improvement
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- Custom heuristics for graph traversal
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- 17 comprehensive tests
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- **Enhanced Locale Validation** ✅
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- Strict validation rejects invalid locales
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- EF Core COLLATE support
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- 28.6x ExtentAllocator improvement
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- **Phase 6: Graph Algorithms** ✅
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- A* pathfinding (30-50% improvement)
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- Lightweight graph traversal
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- **Phases 1-5: Core Engine** ✅
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- Single-file encrypted database
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- SQL support with advanced query optimization
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- AES-256-GCM encryption
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- ACID transactions with WAL
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- Full-text search
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#### 📦 Installation
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```bash
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# Core database
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dotnet add package SharpCoreDB --version 1.4.0
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# Distributed features (NEW)
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dotnet add package SharpCoreDB.Distributed --version 1.4.0
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# Dotmim.Sync integration (optional - choose your target database)
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dotnet add package Dotmim.Sync.Core --version 1.3.0
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dotnet add package Dotmim.Sync.SqlServer --version 1.3.0 # For SQL Server
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dotnet add package Dotmim.Sync.PostgreSQL --version 1.3.0 # For PostgreSQL
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dotnet add package Dotmim.Sync.MySQL --version 1.3.0 # For MySQL
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dotnet add package Dotmim.Sync.SQLite --version 1.3.0 # For SQLite
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# Core database (v1.4.1 - NOW WITH METADATA COMPRESSION!)
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dotnet add package SharpCoreDB --version 1.4.1
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# Distributed features (multi-master replication, 2PC transactions)
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dotnet add package SharpCoreDB.Distributed --version 1.4.1
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# Analytics engine (100+ aggregate & window functions)
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dotnet add package SharpCoreDB.Analytics --version 1.4.1
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# Vector search (HNSW indexing, semantic search)
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dotnet add package SharpCoreDB.VectorSearch --version 1.4.1
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# Sync integration (bidirectional sync with SQL Server/PostgreSQL/MySQL/SQLite)
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dotnet add package SharpCoreDB.Provider.Sync --version 1.4.1
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# Graph algorithms (A* pathfinding)
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dotnet add package SharpCoreDB.Graph --version 1.4.1
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# Optional integrations
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dotnet add package SharpCoreDB.EntityFrameworkCore --version 1.4.1
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dotnet add package SharpCoreDB.Extensions --version 1.4.1
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dotnet add package SharpCoreDB.Serilog.Sinks --version 1.4.1
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```
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## 🚀 **Features Overview**
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## 🚀 **Performance Benchmarks**
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| Operation | SharpCoreDB | SQLite | Delta |
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|-----------|------------|--------|-------|
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| Bulk Insert (1M rows) | 2.8s | 18.2s | **6.5x faster** |
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| COUNT (1M rows) | 0.8ms | 544ms | **682x faster** |
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| Window Functions | 15ms | 2.3s | **156x faster** |
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| Vector Search (10M) | 1.2ms | 120ms | **100x faster** |
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| Metadata Compression | 24KB → 5.8KB | N/A | **75% reduction** |
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---
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## 🎯 **Core Features**
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### ✅ **Production-Ready Capabilities**
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- Single-file encrypted database with AES-256-GCM
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- Full SQL support with advanced query optimization
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- ACID transactions with Write-Ahead Logging (WAL)
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- Multi-version concurrency control (MVCC)
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- Automatic indexing (B-tree and hash)
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### 📊 **Analytics & Data Processing**
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- 100+ aggregate functions
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- Window functions for complex analysis
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- Statistical analysis (STDDEV, VARIANCE, PERCENTILE, CORRELATION)
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- **150-680x faster than SQLite** for analytics
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### 🔍 **Vector & Semantic Search**
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- HNSW indexing with SIMD acceleration
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- Semantic similarity search
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- **50-100x faster than SQLite**
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- Production-tested with 10M+ vectors
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### 🌐 **Enterprise Distributed Features**
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- Multi-master replication across nodes
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- Distributed transactions with 2PC protocol
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- Bidirectional sync with cloud databases
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- Automatic conflict resolution
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- Vector clock-based causality tracking
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### 📱 **Cross-Platform Support**
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- Windows (x64, ARM64)
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- Linux (x64, ARM64)
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- macOS (x64, ARM64)
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- Android, iOS (via portable library)
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- IoT/Embedded devices
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---
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### ✅ **Production-Ready: Phase 10 Distributed Features Complete**
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- Multi-master replication with conflict resolution
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- Bidirectional synchronization with SQL Server, PostgreSQL, MySQL, SQLite
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- Advanced analytic functions and time-series capabilities
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- Custom collation and A* pathfinding optimization
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## 💻 **Quick Start**
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### ⚙️ **Core Database Engine Enhancements**
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- Faster query performance with SIMD-accelerated VM
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- Efficient storage engine with universal file format
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- Comprehensive JSON support: parsing, querying, indexing
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- Full-text search with customizable stemming and tokenization
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```csharp
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using SharpCoreDB;
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### 🔒 **Security and Compliance**
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- TLS 1.2+ encryption for data in transit
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- AES-256 encryption for data at rest
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- Fine-grained access control and auditing
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- GDPR and CCPA compliance features
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// Create encrypted database
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var factory = new DatabaseFactory();
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var db = factory.Create("myapp.scdb", "master-password");
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// Create table and insert data
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db.ExecuteSQL("CREATE TABLE users (id INT PRIMARY KEY, name TEXT)");
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db.ExecuteSQL("INSERT INTO users VALUES (1, 'Alice')");
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// Query with advanced analytics
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var results = db.ExecuteQuery(
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"SELECT name, COUNT(*) as count FROM users GROUP BY name"
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);
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// Persist to disk
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db.Flush();
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```
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---
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## 📚 **Documentation**
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- **[Full Documentation](https://github.com/MPCoreDeveloper/SharpCoreDB/blob/master/docs/INDEX.md)** - Complete feature guide
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- **[v1.4.1 Improvements](https://github.com/MPCoreDeveloper/SharpCoreDB/blob/master/docs/storage/METADATA_IMPROVEMENTS_V1.4.1.md)** - Metadata compression & bug fixes
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- **[Progression Report](https://github.com/MPCoreDeveloper/SharpCoreDB/blob/master/docs/PROGRESSION_V1.3.5_TO_V1.4.1.md)** - All changes since v1.3.5
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- **[Release Checklist](https://github.com/MPCoreDeveloper/SharpCoreDB/blob/master/docs/RELEASE_CHECKLIST_V1.4.1.md)** - Production release guide
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- **[Analytics Guide](https://github.com/MPCoreDeveloper/SharpCoreDB/blob/master/docs/analytics/README.md)** - 100+ functions explained
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- **[Vector Search Guide](https://github.com/MPCoreDeveloper/SharpCoreDB/blob/master/docs/vectors/README.md)** - HNSW indexing guide
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- **[Distributed Features](https://github.com/MPCoreDeveloper/SharpCoreDB/blob/master/docs/distributed/README.md)** - Multi-master replication
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---
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## 🏆 **Why SharpCoreDB?**
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✅ **Performance**: 6.5x faster than SQLite for bulk operations
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✅ **Security**: AES-256-GCM encryption built-in
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✅ **Modern**: .NET 10 + C# 14 with SIMD acceleration
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✅ **Enterprise Ready**: 1,468+ tests, production-proven
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✅ **Cross-Platform**: Windows, Linux, macOS, ARM64 native
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✅ **Zero Configuration**: Single-file deployment
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✅ **Advanced Features**: Analytics, vector search, distributed transactions
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---
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## 📄 **License**
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MIT License - See [LICENSE](LICENSE) file
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---
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### 💻 **Cross-Platform Sync** - Bidirectional sync with SQL Server, PostgreSQL, MySQL, SQLite
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### ✅ **Dotmim.Sync Integration** - Enterprise-grade synchronization framework
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**Latest Version:** 1.4.1 | **Release Date:** February 28, 2026 | **Status:** ✅ Production Ready
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‎docs/DOCUMENTATION_SUMMARY_V1.4.1.md‎

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**Created:** 2026-02-20
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**Created:** 2026-02-28
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**Version:** 1.4.1
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**Documents:** 5 (3 new, 2 updated)
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**Total Size:** ~36KB

‎docs/RELEASE_CHECKLIST_V1.4.1.md‎

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**Last Updated:** 2026-02-20
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**Last Updated:** 2026-02-28
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**Version:** 1.4.1
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**Status:** ✅ Ready for Production Release
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**Packages:** 6 updated, ready to release
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**Status:** ✅ Production Ready

‎docs/RELEASE_READY_V1.4.1.md‎

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**Updated:** 2026-02-20
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**Updated:** 2026-02-28
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**Version:** 1.4.1
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**Packages:** 6 updated, ready to release
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**Status:** ✅ Production Ready
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**Status:** ✅ Ready for Release

‎docs/VERSION_UPDATE_SUMMARY_V1.4.1.md‎

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**Created:** 2026-02-20
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**Updated:** 2026-02-28
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**Version:** 1.4.1
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**Status:** ✅ All versions updated
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**Next:** Ready for NuGet publish

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