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EF Core & LINQ Fluent API
Intuitive DbContext & DbSet patterns with fluent type-safe query chaining, typed selectors, and dynamic filters.
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Multi-Database Dialect Support
First-class support for PostgreSQL (Neon/CockroachDB), SQLite (LibSQL/Turso), MySQL (PlanetScale), and SQL Server.
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First-Class Stored Procedures
Type-safe stored procedure and user-defined function execution with input/output parameters, multiple result sets, and table types.
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Enterprise Concurrency & Locking
Built-in optimistic concurrency via @Version/@ConcurrencyCheck and pessimistic row-level locking (FOR UPDATE, UPDLOCK).
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AI Vector Search & Embeddings
Native pgvector embeddings with cosine, euclidean, and inner product distance indexing and nearest-neighbor search.
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Reliability: Idempotency & Outbox
Transactional outbox pattern and distributed idempotency keys for rock-solid microservices and event-driven architectures.
Quick Installation
npm install entityts reflect-metadata