dbaplus Community

Jun 19, 2025 · Artificial Intelligence

How Constrained Decoding Guarantees 100% Correct SQL from Large Language Models

This article explains how constrained decoding, built on context‑free grammars, Jinja templates, and the XGrammar engine, can enforce strict SQL syntax and custom business rules during LLM generation, enabling reliable, production‑grade NL‑to‑SQL services.