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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…

Computation and Language · Computer Science 2024-02-05 Mohammadreza Pourreza , Davood Rafiei

In tackling the challenges of large language model (LLM) performance for Text-to-SQL tasks, we introduce CHASE-SQL, a new framework that employs innovative strategies, using test-time compute in multi-agent modeling to improve candidate…

Large language models (LLMs) have demonstrated strong performance in translating natural language questions into SQL queries (Text-to-SQL). In contrast, small language models (SLMs) ranging from 0.5B to 1.5B parameters currently…

Computation and Language · Computer Science 2025-07-31 Lei Sheng , Shuai-Shuai Xu

Large language models (LLMs) with in-context learning have significantly improved the performance of text-to-SQL task. Previous works generally focus on using exclusive SQL generation prompt to improve the LLMs' reasoning ability. However,…

Computation and Language · Computer Science 2024-07-15 Zhenhe Wu , Zhongqiu Li , Jie Zhang , Mengxiang Li , Yu Zhao , Ruiyu Fang , Zhongjiang He , Xuelong Li , Zhoujun Li , Shuangyong Song

The conversion of natural language queries into SQL queries, known as Text-to-SQL, is a critical yet challenging task. This paper introduces EPI-SQL, a novel methodological framework leveraging Large Language Models (LLMs) to enhance the…

Computation and Language · Computer Science 2024-04-24 Xiping Liu , Zhao Tan

Generating accurate SQL queries for user questions (text-to-SQL) has been a long-standing challenge since it requires a deep understanding of both the user's question and the corresponding database schema in order to retrieve the desired…

Computation and Language · Computer Science 2024-06-07 Zijin Hong , Zheng Yuan , Hao Chen , Qinggang Zhang , Feiran Huang , Xiao Huang

Text-to-SQL systems enable users to interact with structured databases using natural language, eliminating the need for specialized programming knowledge. In this work, we introduce GEMMA-SQL, a lightweight and efficient text-to-SQL model…

Computation and Language · Computer Science 2025-11-10 Hari Mohan Pandey , Anshul Gupta , Subham Sarkar , Minakshi Tomer , Schneider Johannes , Yan Gong

Text-to-SQL over large analytical databases requires navigating complex schemas, resolving ambiguous queries, and grounding decisions in actual data. Most current systems follow a fixed pipeline where schema elements are retrieved once…

Computation and Language · Computer Science 2026-05-05 Quang Hieu Pham , Yang He , Ping Nie , Canwen Xu , Davood Rafiei , Yuepeng Wang , Xi Ye , Jocelyn Qiaochu Chen

The conversion of natural language into SQL language for querying databases (Text-to-SQL) has broad application prospects and has attracted widespread attention. At present, the mainstream Text-to-SQL methods are mainly divided into…

Computation and Language · Computer Science 2025-02-18 Lei Sheng , Shuai-Shuai Xu , Wei Xie

Large Language Models (LLMs) have emerged as a powerful tool in advancing the Text-to-SQL task, significantly outperforming traditional methods.Nevertheless, as a nascent research field, there is still no consensus on the optimal prompt…

Computation and Language · Computer Science 2026-03-20 Bin Zhang , Yuxiao Ye , Guoqing Du , Xiaoru Hu , Zhishuai Li , Chi Harold Liu , Zhiwei Xu , Guoliang Fan , Rui Zhao , Ziyue Li , Hangyu Mao

Schema linking is a difficult and important step in large-scale Text-to-SQL, where systems must identify a compact yet sufficient schema context from large and ambiguous databases. Existing methods often treat schema linking as…

Computation and Language · Computer Science 2026-05-29 Huawei Zheng , Sen Yang , Zhaorui Yang , Yuhui Zhang , Haozhe Feng , Haoxuan Li , Xuan Yi , Chao Hu , Defeng Xie , Chen Hou , Danqing Huang , Wei Chen , Yingcai Wu , Peng Chen , Dazhen Deng

In-context learning of large-language models (LLMs) has achieved remarkable success in the field of natural language processing, while extensive case studies reveal that the single-step chain-of-thought prompting approach faces challenges…

Computation and Language · Computer Science 2024-07-04 Yuanzhen Xie , Xinzhou Jin , Tao Xie , MingXiong Lin , Liang Chen , Chenyun Yu , Lei Cheng , ChengXiang Zhuo , Bo Hu , Zang Li

Large Language Model-based (LLM-based) Text-to-SQL methods have achieved important progress in generating SQL queries for real-world applications. When confronted with table content-aware questions in real-world scenarios, ambiguous data…

Databases · Computer Science 2025-11-07 Wenbo Xu , Liang Yan , Chuanyi Liu , Peiyi Han , Haifeng Zhu , Yong Xu , Yingwei Liang , Bob Zhang

Text-to-SQL prompt strategies based on Large Language Models (LLMs) achieve remarkable performance on well-known benchmarks. However, when applied to real-world databases, their performance is significantly less than for these benchmarks,…

Translating Natural Language Queries into Structured Query Language (Text-to-SQL or NLQ-to-SQL) is a critical task extensively studied by both the natural language processing and database communities, aimed at providing a natural language…

Computation and Language · Computer Science 2025-01-29 Hasan Alp Caferoğlu , Özgür Ulusoy

Recent advancements in large language models (LLMs) have enabled in-context learning (ICL)-based methods that significantly outperform fine-tuning approaches for text-to-SQL tasks. However, their performance is still considerably lower than…

Computation and Language · Computer Science 2024-05-14 Dongjun Lee , Choongwon Park , Jaehyuk Kim , Heesoo Park

Text-to-SQL converts natural language questions into executable SQL queries, enabling non-technical users to access relational databases for analytics and intelligent data services. In real-world scenarios, performance is often constrained…

Computation and Language · Computer Science 2026-05-25 Tianhao Qiu , Xiaojun Chen

When translating natural language questions into SQL queries to answer questions from a database, contemporary semantic parsing models struggle to generalize to unseen database schemas. The generalization challenge lies in (a) encoding the…

Computation and Language · Computer Science 2021-08-25 Bailin Wang , Richard Shin , Xiaodong Liu , Oleksandr Polozov , Matthew Richardson

Large language models (LLMs) have revolutionized natural language interfaces for databases, particularly in text-to-SQL conversion. However, current approaches often generate unreliable outputs when faced with ambiguity or insufficient…

Databases · Computer Science 2025-01-22 Kaiwen Chen , Yueting Chen , Xiaohui Yu , Nick Koudas

Large language models (LLMs) consistently achieve strong results on text-to-SQL benchmarks, but their robustness to schema variations remains poorly understood. Recent work suggests that the schema structure matters, but does not provide a…

Databases · Computer Science 2026-05-26 Nitin Kanchinadam , Aditya Menachery , Amol Deshpande