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anonymous · 23:07 3/6/26 · ORA·techanonymous · 23:07 3/6/26 · ORA·techanonymous · 23:07 3/6/26 · ORA·techanonymous · 23:07 3/6/26 · ORA·techanonymous · 23:07 3/6/26 · ORA·techanonymous · 23:07 3/6/26 · ORA·tech
anonymous · 23:07 3/6/26 · ORA·techanonymous · 23:07 3/6/26 · ORA·techanonymous · 23:07 3/6/26 · ORA·techanonymous · 23:07 3/6/26 · ORA·techanonymous · 23:07 3/6/26 · ORA·techanonymous · 23:07 3/6/26 · ORA·tech
anonymous · 23:07 3/6/26 · ORA·techanonymous · 23:07 3/6/26 · ORA·techanonymous · 23:07 3/6/26 · ORA·techanonymous · 23:07 3/6/26 · ORA·techanonymous · 23:07 3/6/26 · ORA·techanonymous · 23:07 3/6/26 · ORA·tech
anonymous · 23:07 3/6/26 · ORA·techanonymous · 23:07 3/6/26 · ORA·techanonymous · 23:07 3/6/26 · ORA·techanonymous · 23:07 3/6/26 · ORA·techanonymous · 23:07 3/6/26 · ORA·techanonymous · 23:07 3/6/26 · ORA·tech
2026 ORA Team·Xây với ❤️ cho người học nhanh·Chính sách bảo mật·Điều khoản·phiên bản f5e8cbb6
Thư viện/Backend/Rails
Trung bình Pro#rails

DatabaseCleaner trong Rails: Khi nào nên dùng Transaction, Truncation hoặc Deletion?

15 tháng 2, 2026

Tóm tắt nhanh

DatabaseCleaner ngăn ngừa rò rỉ dữ liệu (test pollution) trong Rails bằng cách dọn dẹp DB sau mỗi test case. Ba chiến lược chính gồm Transaction (nhanh nhất), Truncation (sạch nhất nhưng chậm), và Deletion (phù hợp cho SQLite/bảng nhỏ).

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