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Generating accurate SQL from users' natural language questions (text-to-SQL) remains a long-standing challenge due to the complexities involved in user question understanding, database schema comprehension, and SQL generation. Traditional…

Computation and Language · Computer Science 2025-11-25 Zijin Hong , Zheng Yuan , Qinggang Zhang , Hao Chen , Junnan Dong , Feiran Huang , Xiao Huang

With the future striving toward data-centric decision-making, seamless access to databases is of utmost importance. There is extensive research on creating an efficient text-to-sql (TEXT2SQL) model to access data from the database. Using a…

Computation and Language · Computer Science 2022-08-10 Ayush Kumar , Parth Nagarkar , Prabhav Nalhe , Sanjeev Vijayakumar

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

This paper introduces an Error Correction through Prompt Tuning for NL-to-SQL, leveraging the latest advancements in generative pre-training-based LLMs and RAG. Our work addresses the crucial need for efficient and accurate translation of…

Computation and Language · Computer Science 2025-11-12 Jisoo Jang , Tien-Cuong Bui , Yunjun Choi , Wen-Syan Li

Natural language to SQL (NL2SQL) translation enables non-expert users to query relational databases through natural language. Recently, NL2SQL agents, powered by the reasoning capabilities of Large Language Models (LLMs), have significantly…

Recent advances in large language models (LLMs) have significantly improved the accuracy of Text-to-SQL systems. However, a critical challenge remains: the semantic mismatch between natural language questions (NLQs) and their corresponding…

Computation and Language · Computer Science 2025-08-21 Shaoming Duan , Zirui Wang , Chuanyi Liu , Zhibin Zhu , Yuhao Zhang , Peiyi Han , Liang Yan , Zewu Peng

Enterprises commonly deploy heterogeneous database systems, each of which owns a distinct SQL dialect with different syntax rules, built-in functions, and execution constraints. However, most existing NL2SQL methods assume a single dialect…

Databases · Computer Science 2026-03-10 Xiang Zhang , Hongming Xu , Le Zhou , Wei Zhou , Xuanhe Zhou , Guoliang Li , Yuyu Luo , Changdong Liu , Guorun Chen , Jiang Liao , Fan Wu

Natural language to SQL (NL2SQL) aims to parse a natural language with a given database into a SQL query, which widely appears in practical Internet applications. Jointly encode database schema and question utterance is a difficult but…

Computation and Language · Computer Science 2021-08-03 Junyang Huang , Yongbo Wang , Yongliang Wang , Yang Dong , Yanghua Xiao

Text-to-SQL generation aims to translate natural language questions into SQL statements. In Text-to-SQL based on large language models, schema linking is a widely adopted strategy to streamline the input for LLMs by selecting only relevant…

Computation and Language · Computer Science 2024-11-27 Zhenbiao Cao , Yuanlei Zheng , Zhihao Fan , Xiaojin Zhang , Wei Chen , Xiang Bai

Open-weight large language models (LLMs) have significantly advanced performance in the Natural Language to SQL (NL2SQL) task. However, their effectiveness diminishes when dealing with large database schemas, as the context length…

Computation and Language · Computer Science 2025-05-21 Dai Quoc Nguyen , Cong Duy Vu Hoang , Duy Vu , Gioacchino Tangari , Thanh Tien Vu , Don Dharmasiri , Yuan-Fang Li , Long Duong

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

Text-to-SQL parsing involves the translation of natural language queries (NLQs) into their corresponding SQL commands. A principal challenge within this domain is the formulation of SQL queries that are not only syntactically correct but…

Databases · Computer Science 2024-11-05 Xiping Liu , Zhao Tan

Large pre-trained language models have been shown to store factual knowledge in their parameters, and achieve state-of-the-art results when fine-tuned on downstream NLP tasks. However, their ability to access and precisely manipulate…

Natural Language to SQL systems (NL-to-SQL) have recently shown a significant increase in accuracy for natural language to SQL query translation. This improvement is due to the emergence of transformer-based language models, and the…

A significant amount of the world's knowledge is stored in relational databases. However, the ability for users to retrieve facts from a database is limited due to a lack of understanding of query languages such as SQL. We propose Seq2SQL,…

Computation and Language · Computer Science 2017-11-13 Victor Zhong , Caiming Xiong , Richard Socher

Clinicians exploring oncology trial repositories often need ad-hoc, multi-constraint queries over biomarkers, endpoints, interventions, and time, yet writing SQL requires schema expertise. We demo FD-NL2SQL, a feedback-driven clinical…

Text-to-SQL, the process of translating natural language into Structured Query Language (SQL), represents a transformative application of large language models (LLMs), potentially revolutionizing how humans interact with data. This paper…

Converting natural language questions into SQL queries enables non-expert users to interact with relational databases and has long been a central task for natural language interfaces to data. While the WikiSQL dataset played a key role in…

Computation and Language · Computer Science 2025-12-10 Dzmitry Pihulski , Karol Charchut , Viktoria Novogrodskaia , Jan Kocoń

Natural Language to SQL (NL2SQL) has seen significant advancements with large language models (LLMs). However, these models often depend on closed-source systems and high computational resources, posing challenges in data privacy and…

Computation and Language · Computer Science 2025-08-19 Wenqi Pei , Hailing Xu , Hengyuan Zhao , Shizheng Hou , Han Chen , Zining Zhang , Pingyi Luo , Bingsheng He

Translating users' natural language queries (NL) into SQL queries (i.e., Text-to-SQL, a.k.a. NL2SQL) can significantly reduce barriers to accessing relational databases and support various commercial applications. The performance of…

Databases · Computer Science 2025-12-08 Xinyu Liu , Shuyu Shen , Boyan Li , Peixian Ma , Runzhi Jiang , Yuxin Zhang , Ju Fan , Guoliang Li , Nan Tang , Yuyu Luo