Chat to LLaMa 2 that also provides responses with reference documents over vector database. Locally available model using GPTQ 4bit quantization.

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Developed a Text-to-SQL system by fine-tuning Llama2GPTQ with QLoRA on schema-grounded datasets. Built structured prompts, optimized tokenization, and improved SQL generation accuracy with strong ROUGE gains on complex joins, aggregations, and multi-table queries.