# `plat_base_area` > 平台基础地址表(区) - **Engine:** InnoDB - **Collation:** utf8mb3_general_ci ## Columns | # | Name | Type | Null | Key | Default | Extra | Comment | |---|---|---|---|---|---|---|---| | 1 | `iIncreaseId` | `mediumint` | NO | PRI | | auto_increment | 主键(自增序列) | | 2 | `iCityId` | `mediumint` | NO | MUL | | | 市编号 | | 3 | `sArea` | `varchar(50)` | NO | | | | 区 | ## Indexes | Name | Unique | Type | Columns | |---|---|---|---| | `PLAT_BASE_AREA_IDX1` | | BTREE | `iCityId` | | `PRIMARY` | ✓ | BTREE | `iIncreaseId` | ## Narrative _No human-written narrative yet — when this table is exercised by a [vertical slice](../../slices/index.md), link from there back to this page._