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报告微调修订v1.0

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geeker
2026-09-23 10:43:14 +08:00
parent 6d8ad6fa8c
commit 63cec41438
3 changed files with 16 additions and 16 deletions
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docs/03-database-design.md
+13 -13
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@@ -20,22 +20,22 @@
├──────────────────┤ ├──────────────────┤ ├──────────────────┤
│ id (PK) │ │ id (PK) │ │ id (PK) │
│ num (UK) │ │ num (UK) │ │ num (UK) │
│ name │ │ name │ │ name │
│ age │ │ class_start_time │ │ age │
│ name │ 1:N │ name │ 1:N │ name │
│ age │ ----> │ class_start_time │ ----> │ age │
│ sex │ │ │ │ sex │
│ home_place │ │ head_teacher_id │───┐ │ home_place │
│ college │ │ coach_teacher_id │ │ │ college │
│ specialty │ │ tutor_teacher_id │ │ │ specialty │
│ enrollment_time │ └──────┬───────────┘ │ │ enrollment_time │
│ graduate_time │ │ │ │ graduate_time │
│ education │ 1:N ▼ N:1 │ │ education │
│ work_experience │ ┌──────────────────┐ │ │ │
│ coach_area │ │ students │◄──┘ │ create_time │
│ │ │ (class_id FK) │ │ update_time │
│ create_time │ └──────────────────┘ │ is_deleted │
│ home_place │ │ head_teacher_id │ │ home_place │
│ college │ │ coach_teacher_id │ │ college │
│ specialty │ │ tutor_teacher_id │ │ specialty │
│ enrollment_time │ └──────┬───────────┘ │ enrollment_time │
│ graduate_time │ │ graduate_time │
│ education │ │ education │
│ work_experience │ │ │
│ coach_area │ │ create_time │
│ │ │ update_time │
│ create_time │ ------------------│ is_deleted │
│ update_time │ │ │ delete_time │
│ is_deleted │ │ 1:N └──────────────────┘
│ delete_time │ ▼
│ delete_time │ ▼ | 1:1
└──────────────────┘ ┌──────────────────┐ ┌──────────────────┐
│ scores │ │ employment │
├──────────────────┤ ├──────────────────┤