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DTS-SQL: Decomposed Text-to-SQL with Small Large Language Models

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arxiv 2402.01117 v1 pith:L3BSYQDB submitted 2024-02-02 cs.CL cs.DBcs.HC

DTS-SQL: Decomposed Text-to-SQL with Small Large Language Models

classification cs.CL cs.DBcs.HC
keywords modelslargeproprietarysmallapproachlanguagellmsopen-source
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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Leading models for the text-to-SQL task heavily rely on proprietary Large Language Models (LLMs), posing concerns over data privacy. Closing the performance gap between small open-source models and large proprietary models is crucial to mitigate this reliance. To this end, we introduce a novel two-stage fine-tuning approach that decomposes the task into two simpler tasks. Through comprehensive evaluation on two large cross-domain datasets and two small LLMs, we show that this approach improves execution accuracy by 3 to 7 percent, effectively aligning the performance of open-source models with their proprietary counterparts.

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Forward citations

Cited by 5 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score.

  1. ACE-SQL: Adaptive Co-Optimization via Empirical Credit Assignment for Text-to-SQL

    cs.CL 2026-06 unverdicted novelty 7.0

    ACE-SQL jointly optimizes schema linking and SQL generation via RL with empirical credit assignment from execution-correct rollouts, achieving 65.3% greedy execution accuracy on BIRD Dev using 0.93k output tokens.

  2. AV-SQL: Decomposing Complex Text-to-SQL Queries with Agentic Views

    cs.DB 2026-04 unverdicted novelty 6.0

    AV-SQL uses a pipeline of LLM agents to generate intermediate CTE views that decompose complex Text-to-SQL queries, reaching 70.38% execution accuracy on Spider 2.0.

  3. Knapsack Optimization-based Schema Linking for LLM-based Text-to-SQL Generation

    cs.CL 2025-02 unverdicted novelty 6.0

    KaSLA applies knapsack optimization hierarchically to schema linking for LLM text-to-SQL, claiming better results than large models and improved SQL generation on Spider and BIRD.

  4. XiYan-SQL: A Novel Multi-Generator Framework For Text-to-SQL

    cs.CL 2025-07 unverdicted novelty 5.0

    XiYan-SQL achieves SOTA Text-to-SQL accuracy by combining schema filtering, a multi-generator ensemble fine-tuned on varied SQL formats, and a selection model.

  5. CHESS: Contextual Harnessing for Efficient SQL Synthesis

    cs.LG 2024-05 conditional novelty 5.0

    CHESS deploys four LLM agents to retrieve information, prune schemas, generate refined SQL candidates, and validate via unit tests, reporting up to 71.10% accuracy on BIRD with 83% fewer calls than leading proprietary...