# `eleprocessmachinesinstallarea` > 机台工序 - **Engine:** InnoDB - **Collation:** utf8mb3_general_ci ## Columns | # | Name | Type | Null | Key | Default | Extra | Comment | |---|---|---|---|---|---|---|---| | 1 | `iIncrement` | `int` | NO | PRI | | auto_increment | 自增列 | | 2 | `sId` | `varchar(50)` | NO | MUL | | | 唯一ID | | 3 | `sBrandsId` | `varchar(50)` | NO | MUL | | | 加工商ID | | 4 | `sSubsidiaryId` | `varchar(50)` | NO | | | | 子公司ID | | 5 | `sMakePerson` | `varchar(50)` | NO | | | | 制单人 | | 6 | `sInstallArea` | `varchar(50)` | YES | | | | 设备位置 | | 7 | `iOrder` | `int` | NO | | 0 | | 排序号 | | 8 | `sParentId` | `varchar(50)` | NO | | | | 父级ID | | 9 | `sMachineId` | `varchar(50)` | NO | | | | 机台ID | | 10 | `bDefault` | `bit(1)` | NO | | b'0' | | 默认 | ## Indexes | Name | Unique | Type | Columns | |---|---|---|---| | `IndexN1` | | BTREE | `sBrandsId`, `sSubsidiaryId`, `sMachineId`, `bDefault` | | `IndexU_eleprocessmachine` | ✓ | BTREE | `sId`, `sBrandsId`, `sSubsidiaryId` | | `PRIMARY` | ✓ | BTREE | `iIncrement` | ## 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._