Analyzing the Effectiveness of Large Language Models on Text-to-SQL Synthesis

• URL: http://arxiv.org/abs/2401.12379v1
• Date: Mon, 22 Jan 2024 22:05:42 GMT
• Title: Analyzing the Effectiveness of Large Language Models on Text-to-SQL Synthesis
• Authors: Richard Roberson, Gowtham Kaki, Ashutosh Trivedi
• Abstract summary: This study investigates various approaches to using Large Language Models for Text-to- program synthesis. The goal was to input a natural language question along with the database schema and output the correct SELECT query.
• Score: 4.412170175171256
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: This study investigates various approaches to using Large Language Models (LLMs) for Text-to-SQL program synthesis, focusing on the outcomes and insights derived. Employing the popular Text-to-SQL dataset, spider, the goal was to input a natural language question along with the database schema and output the correct SQL SELECT query. The initial approach was to fine-tune a local and open-source model to generate the SELECT query. After QLoRa fine-tuning WizardLM's WizardCoder-15B model on the spider dataset, the execution accuracy for generated queries rose to a high of 61%. With the second approach, using the fine-tuned gpt-3.5-turbo-16k (Few-shot) + gpt-4-turbo (Zero-shot error correction), the execution accuracy reached a high of 82.1%. Of all the incorrect queries, most can be categorized into a seven different categories of what went wrong: selecting the wrong columns or wrong order of columns, grouping by the wrong column, predicting the wrong values in conditionals, using different aggregates than the ground truth, extra or too few JOIN clauses, inconsistencies in the Spider dataset, and lastly completely incorrect query structure. Most if not all of the queries fall into these categories and it is insightful to understanding where the faults still lie with LLM program synthesis and where they can be improved.

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