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Title: [E-1] 14-Chains / 02-SQL by jinucho · Pull Request #549 · LangChain-OpenTutorial/LangChain-OpenTutorial · GitHub

Open Graph Title: [E-1] 14-Chains / 02-SQL by jinucho · Pull Request #549 · LangChain-OpenTutorial/LangChain-OpenTutorial

X Title: [E-1] 14-Chains / 02-SQL by jinucho · Pull Request #549 · LangChain-OpenTutorial/LangChain-OpenTutorial

Description: 검수팀 이슈사항 반영 Author Checklist PR Title Format: I have confirmed that the PR title follows the correct format. (e.g., [N-2] 07-Text Splitter / 07-RecursiveCharacterTextSplitter) Committed Files: I have ensured that no unnecessary files (e.g., .bin, .gitignore, poetry.lock, pyproject.toml) are included. These files are not allowed. (Optional) Related Issue: #544 ❌ Do not include unnecessary files (e.g., .bin, .gitignore, poetry.lock, pyproject.toml) or other people's code. If included, close the PR and create a new PR. Review Template (Intial PR) 🖥️ OS: Win/Mac/Linux ✅ Checklist - [ ] **Template**: Tutorials follows the required template. - [ ] **Table of Contents(TOC) Links**: All Table of Contents links work. (Yes/No) - [ ] **Image**: Image filenames follow guidelines. - [ ] **Imports**: All import statements use the latest versions. Ensure "langchain-teddynote" is not used. - [ ] **Code Execution**: Code runs without errors. - Comments: {Write freely, 한국어 기술 가능} If no one reviews your PR within a few days, please @-mention one of teddylee777, musangk, BAEM1N

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