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Jiale Lao

PhD Student in Computer Science — Cornell University

solidlao.jiale@gmail.com SolidLao Google Scholar

Research Interests

Database Systems, Machine Learning, Large Language Models, Query Optimization, Database Tuning

Education

Cornell University

2024 — Present

PhD in Computer Science

Advisor: Prof. Immanuel Trummer

Sichuan University

2020 — 2024

B.Eng in Software Engineering

Advisors: Prof. Mingjie Tang, Prof. Jianguo Wang (Purdue University)

Publications

2026

GenDB: The Next Generation of Query Processing -- Synthesized, Not Engineered

Preprint

Jiale Lao, Immanuel Trummer

[Paper] [Website]

IGenBench: Benchmarking the Reliability of Text-to-Infographic Generation

Preprint

Yinghao Tang, Xueding Liu, Boyuan Zhang, Tingfeng Lan, Yupeng Xie, Jiale Lao, Yiyao Wang, Haoxuan Li, Tingting Gao, Bo Pan, Luoxuan Weng, Xiuqi Huang, Minfeng Zhu, Yingchaojie Feng, Yuyu Luo, Wei Chen

[Paper] [Website]

SemBench: A Benchmark for Semantic Query Processing Engines

Under Revision, VLDB

Jiale Lao, Andreas Zimmerer, Olga Ovcharenko, Tianji Cong, Matthew Russo, Gerardo Vitagliano, Michael Cochez, Fatma Özcan, Gautam Gupta, Thibaud Hottelier, H. V. Jagadish, Kris Kissel, Sebastian Schelter, Andreas Kipf, Immanuel Trummer

[Paper] [Website]

SQLBarber: A System Leveraging Large Language Models to Generate Customized and Realistic SQL Workloads

SIGMOD

Jiale Lao, Immanuel Trummer

[Paper] [Code]

Are Your LLM-based Text-to-SQL Models Secure? Exploring SQL Injection via Backdoor Attacks

SIGMOD

Meiyu Lin, Haichuan Zhang, Jiale Lao, Renyuan Li, Yuanchun Zhou, Carl Yang, Yang Cao, Mingjie Tang

[Paper] [Code]

2025

QUITE: A Query Rewrite System Beyond Rules with LLM Agents

Preprint

Yuyang Song, Hanxu Yan, Jiale Lao, Yibo Wang, Yufei Li, Yuanchun Zhou, Jianguo Wang, Mingjie Tang

[Paper]

Demonstrating SQLBarber: Leveraging Large Language Models to Generate Customized and Realistic SQL Workloads

SIGMOD

Jiale Lao, Immanuel Trummer

[Paper] [Video]

GPTuner: An LLM-Based Database Tuning System

SIGMOD Research Highlight Award

Jiale Lao, Yibo Wang, Yufei Li, Jianping Wang, Yunjia Zhang, Zhiyuan Cheng, Wanghu Chen, Mingjie Tang, Jianguo Wang

[Paper] [Code] [Video]

2024

GPTuner: A Manual-Reading Database Tuning System

VLDB

Jiale Lao, Yibo Wang, Yufei Li, Jianping Wang, Yunjia Zhang, Zhiyuan Cheng, Wanghu Chen, Mingjie Tang, Jianguo Wang

[Paper] [Code] [Video]

A Demonstration of GPTuner: A GPT-Based Manual-Reading Database Tuning System

SIGMOD

Jiale Lao, Yibo Wang, Yufei Li, Jianping Wang, Yunjia Zhang, Zhiyuan Cheng, Wanghu Chen, Yuanchun Zhou, Mingjie Tang, Jianguo Wang

[Paper] [Code] [Video]

Awards

SIGMOD Research Highlight Award

2024

For "GPTuner: A Manual-Reading Database Tuning System" — 10 papers selected worldwide

Research Experience

Student Researcher — Google

May 2026 — Aug 2026

Advised by Fatma Özcan and Helena Caminal

Semantic query processing over multi-modal data

Research Assistant — Cornell University

May 2025 — Present

Database Group. Advised by Prof. Immanuel Trummer

Customized and Realistic SQL Workload Generation with Large Language Model

Research Assistant — Purdue University

Apr 2023 — Aug 2024

Database Systems Group. Advised by Prof. Jianguo Wang

Automatic Optimization of Database with LLM; Distance Indexing via GNN

Research Assistant — Sichuan University

Oct 2022 — Aug 2024

AI and System Lab. Advised by Prof. Mingjie Tang

Automatic Optimization of Database with LLM; Distance Indexing via GNN

Teaching Experience

TA — CS 5322 Efficient Analysis of Large Data Sets

Spring 2026

Cornell University. Instructor: Prof. Immanuel Trummer

TA — CS 3110 Functional Programming

Spring 2025

Cornell University. Instructor: Prof. Anshuman Mohan

TA — CS 4320/5320 Introduction to Database Systems

Fall 2024, Fall 2025

Cornell University. Instructors: Prof. Immanuel Trummer, Prof. Sainyam Galhotra