Research Article
Smart Community Emergency Evacuation Management System and Risk Assessment Based on Mobile Big Data
Table 1
Community attribute table design.
| | Field name | Field type | Field length | Description |
| | SmID | Long integer | 4 | Primary key | | SmUserID | Long integer | 4 | Foreign key | | Area | Double precision | 8 | Cannot be empty | | SmJdID | Long integer | 4 | Foreign key | | Name | Text type | 50 | — | | Address | Text type | 50 | — | | Total houses | Long integer | 4 | — | | Total population | Long integer | 4 | — | | Principal | Text type | 20 | — | | Tel | Text type | 20 | — | | SmSqID | Text type | 20 | — |
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