| Name | Last modified | Size |
|---|---|---|
| Parent Directory | [DIR] | |
| 5.1 E-R模型.avi | 2025-December-06 21:58 | 34.35 MiB |
| 5.2 键（码）、函数依赖及范式.avi | 2025-December-06 21:58 | 45.34 MiB |
| 5.3 无损分解.avi | 2025-December-06 21:58 | 21.31 MiB |
| 5.4 关系代数.avi | 2025-December-06 21:58 | 42.65 MiB |
| 5.5 元组演算.avi | 2025-December-06 21:58 | 34.62 MiB |
| 5.6 SQL语言.avi | 2025-December-06 21:58 | 71.82 MiB |