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Snowflake's Cortex AISQL is a production SQL engine that integrates native semantic operations directly into SQL. This integration allows users to write declarative queries that combine relational operations with semantic reasoning,…

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

Text-to-SQL, which provides zero-code interface for operating relational databases, has gained much attention in financial analysis; because, financial professionals may not well-skilled in SQL programming. However, until now, there is no…

Computation and Language · Computer Science 2024-01-22 Chao Zhang , Yuren Mao , Yijiang Fan , Yu Mi , Yunjun Gao , Lu Chen , Dongfang Lou , Jinshu Lin

We present HES-SQL, a novel hybrid training framework that advances Text-to-SQL generation through the integration of thinking-mode-fused supervised fine-tuning (SFT) with Group Relative Policy Optimization (GRPO). Our approach introduces…

Databases · Computer Science 2025-10-13 Suming Qiu , Jing Li , Zhicheng Zhou , Junjie Huang , Linyuan Qiu , Zhijie Sun

The generalizability to new databases is of vital importance to Text-to-SQL systems which aim to parse human utterances into SQL statements. Existing works achieve this goal by leveraging the exact matching method to identify the lexical…

Computation and Language · Computer Science 2022-08-09 Aiwei Liu , Xuming Hu , Li Lin , Lijie Wen

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

Text-to-SQL translates natural language queries into Structured Query Language (SQL) commands, enabling users to interact with databases using natural language. Essentially, the text-to-SQL task is a text generation task, and its…

Databases · Computer Science 2024-10-10 Xiaohu Zhu , Qian Li , Lizhen Cui , Yongkang Liu

Recent advances in large language models has strengthened Text2SQL systems that translate natural language questions into database queries. A persistent deployment challenge is to assess a newly trained Text2SQL system on an unseen and…

Computation and Language · Computer Science 2026-03-10 Trinh Pham , Thanh Tam Nguyen , Viet Huynh , Hongzhi Yin , Quoc Viet Hung Nguyen

Neural text-to-SQL models have achieved remarkable performance in translating natural language questions into SQL queries. However, recent studies reveal that text-to-SQL models are vulnerable to task-specific perturbations. Previous…

Calibration is crucial as large language models (LLMs) are increasingly deployed to convert natural language queries into SQL for commercial databases. In this work, we investigate calibration techniques for assigning confidence to…

Databases · Computer Science 2024-11-28 Ashwin Ramachandran , Sunita Sarawagi

With the development of the Large Language Models (LLMs), a large range of LLM-based Text-to-SQL(Text2SQL) methods have emerged. This survey provides a comprehensive review of LLM-based Text2SQL studies. We first enumerate classic…

Computation and Language · Computer Science 2025-06-04 Liang Shi , Zhengju Tang , Nan Zhang , Xiaotong Zhang , Zhi Yang

Translating natural language questions into SQL queries, known as text-to-SQL, is a long-standing research problem. Effective text-to-SQL synthesis can become very challenging due to (i) the extensive size of database catalogs (descriptions…

Machine Learning · Computer Science 2024-11-27 Shayan Talaei , Mohammadreza Pourreza , Yu-Chen Chang , Azalia Mirhoseini , Amin Saberi

Security is unarguably the most serious concern for Web applications, to which SQL injection (SQLi) attack is one of the most devastating attacks. Automatically testing SQLi vulnerabilities is of ultimate importance, yet is unfortunately…

Software Engineering · Computer Science 2020-05-26 Muyang Liu , Ke Li , Tao Chen

Recognizing the promise of natural language interfaces to databases, prior studies have emphasized the development of text-to-SQL systems. While substantial progress has been made in this field, existing research has concentrated on…

Despite strong performance on Text-to-SQL benchmarks, it remains unclear whether LLM-generated SQL programs are structurally reliable. In this work, we investigate the structural behavior of LLM-generated SQL queries and introduce…

Computation and Language · Computer Science 2026-04-09 Yixi Zhou , Fan Zhang , Zhiqiao Guo , Yu Chen , Haipeng Zhang , Preslav Nakov , Zhuohan Xie

Text-to-SQL enables users to interact with databases through natural language, simplifying the retrieval and synthesis of information. Despite the success of large language models (LLMs) in converting natural language questions into SQL…

Machine Learning · Computer Science 2025-04-23 Oleg Somov , Elena Tutubalina

Big data management aims to establish data hubs that support data in multiple models and types in an all-around way. Thus, the multi-model database system is a promising architecture for building such a multi-model data store. For an…

Databases · Computer Science 2021-05-18 Yu Yan , Nan Jiang , Hongzhi Wang , Yutong Wang , Chang Liu , Yuzhuo Wang

With Large Language Models' (LLMs) emergent abilities on code generation tasks, Text-to-SQL has become one of the most popular downstream applications. Despite the strong results of multiple recent LLM-based Text-to-SQL frameworks, the…

Machine Learning · Computer Science 2025-09-09 Dazhi Peng

Large Language Models (LLMs) can translate natural language into SQL, but small models struggle with multi-table and complex queries in Zero-Shot Learning (ZSL) settings. While Supervised Fine-Tuning (SFT) helps, it falls short for harder…

Machine Learning · Computer Science 2026-05-05 Simone Papicchio , Simone Rossi , Luca Cagliero , Paolo Papotti

Text-to-SQL aims to translate natural language queries into SQL statements, which is practical as it enables anyone to easily retrieve the desired information from databases. Recently, many existing approaches tackle this problem with Large…