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Related papers: Text-to-SQL based on Large Language Models and Dat…

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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

Schema linking is a crucial step in Text-to-SQL pipelines. Its goal is to retrieve the relevant tables and columns of a target database for a user's query while disregarding irrelevant ones. However, imperfect schema linking can often…

Computation and Language · Computer Science 2024-08-20 Karime Maamari , Fadhil Abubaker , Daniel Jaroslawicz , Amine Mhedhbi

Recent advances in large language models (LLMs) have propelled research in natural language interfaces to databases. However, most state-of-the-art text-to-SQL systems still depend on complex, multi-stage pipelines. This work proposes a…

Artificial Intelligence · Computer Science 2025-06-03 Fernando Granado , Roberto Lotufo , Jayr Pereira

This paper investigates the effectiveness of large language models (LLMs) in answering questions over datasets. We examine their performance in two scenarios: (a) directly answering questions given a dataset file as input, and (b)…

Computation and Language · Computer Science 2026-05-12 Andreas Xenofontos , Pavlos Fafalios

Generating insightful and actionable information from databases is critical in data analysis. This paper introduces a novel approach using Large Language Models (LLMs) to automatically generate textual insights. Given a multi-table database…

Artificial Intelligence · Computer Science 2025-03-18 Alberto Sánchez Pérez , Alaa Boukhary , Paolo Papotti , Luis Castejón Lozano , Adam Elwood

Text-to-SQL, the task of translating natural language questions into SQL queries, plays a crucial role in enabling non-experts to interact with databases. While recent advancements in large language models (LLMs) have significantly enhanced…

Computation and Language · Computer Science 2025-07-15 Haoyang Li , Shang Wu , Xiaokang Zhang , Xinmei Huang , Jing Zhang , Fuxin Jiang , Shuai Wang , Tieying Zhang , Jianjun Chen , Rui Shi , Hong Chen , Cuiping Li

Query optimization, which finds the optimized execution plan for a given query, is a complex planning and decision-making problem within the exponentially growing plan space in database management systems (DBMS). Traditional optimizers…

Databases · Computer Science 2025-02-11 Jie Tan , Kangfei Zhao , Rui Li , Jeffrey Xu Yu , Chengzhi Piao , Hong Cheng , Helen Meng , Deli Zhao , Yu Rong

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

Evaluating text-to-SQL systems remains largely fragile: correctness is typically judged by executing predicted and gold SQL queries on a single static database, even though the same queries may behave differently under alternative database…

Databases · Computer Science 2026-05-01 Mohammadamin Habibollah , Davood Rafiei

Large Language Models (LLMs) often struggle with the precise logic and schema alignment required for complex Text-to-SQL tasks. While current methods rely heavily on static prompting, they lack the ability to dynamically adapt and…

Computation and Language · Computer Science 2026-05-12 Haolin Yang , Jipeng Zhang , Zhitao He , Alexander Zhou , Yi R. Fung

Integrating LLM powered operators in declarative query languages allows for the combination of cheap and interpretable functions with powerful, generalizable language model reasoning. However, in order to benefit from the optimized…

Computation and Language · Computer Science 2025-09-25 Parker Glenn , Alfy Samuel , Daben Liu

Recently, large language models (LLMs) have significantly improved the performance of text-to-SQL systems. Nevertheless, many state-of-the-art (SOTA) approaches have overlooked the critical aspect of system robustness. Our experiments…

Computation and Language · Computer Science 2024-12-18 Geling Liu , Yunzhi Tan , Ruichao Zhong , Yuanzhen Xie , Lingchen Zhao , Qian Wang , Bo Hu , Zang Li

Table processing, a key task in natural language processing, has significantly benefited from recent advancements in language models (LMs). However, the capabilities of LMs in table-to-text generation, which transforms structured data into…

Computation and Language · Computer Science 2024-10-18 Sahar Iravani , Tim . O . F Conrad

Large language models (LLMs) excel in many natural language processing (NLP) tasks. However, since LLMs can only incorporate new knowledge through training or supervised fine-tuning processes, they are unsuitable for applications that…

Databases · Computer Science 2024-07-23 Zongyue Qin , Chen Luo , Zhengyang Wang , Haoming Jiang , Yizhou Sun

NL2SQL (natural language to SQL) translates natural language questions into SQL queries, thereby making structured data accessible to non-technical users, serving as the foundation for intelligent data applications. State-of-the-art NL2SQL…

Text-to-SQL is a fundamental yet challenging task in the NLP area, aiming at translating natural language questions into SQL queries. While recent advances in large language models have greatly improved performance, most existing approaches…

Databases · Computer Science 2025-12-01 Shuozhi Yuan , Limin Chen , Miaomiao Yuan , Zhao Jin

The data-centric paradigm has emerged as a pivotal direction in artificial intelligence (AI), emphasizing the role of high-quality training data. This shift is especially critical in the Text-to-SQL task, where the scarcity, limited…

Computation and Language · Computer Science 2026-02-11 Qifeng Cai , Hao Liang , Chang Xu , Tao Xie , Wentao Zhang , Bin Cui

The potential for improvements brought by Large Language Models (LLMs) in Text-to-SQL systems is mostly assessed on monolingual English datasets. However, LLMs' performance for other languages remains vastly unexplored. In this work, we…

Computation and Language · Computer Science 2024-06-07 Farhad Nooralahzadeh , Yi Zhang , Ellery Smith , Sabine Maennel , Cyril Matthey-Doret , Raphaël de Fondville , Kurt Stockinger

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

This paper presents the development process of a natural language to SQL model using the T5 model as the basis. The models, developed in August 2022 for an online transaction processing system and a data warehouse, have a 73\% and 84\%…

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