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在用MM01创建物料的时候会需要选择相关的维护视图，这些视图哪些已经维护，哪些尚未维护，都记录在表 MARA 的字段 VPSTA 和 PSTAT 中。分析这两个字段，就可以知道该物料的维护状态。
| User department | View in MM01 | Maintenance status |
|---|---|---|
| Work scheduling | Work Scheduling | A |
| Accounting | Accounting 1 Accounting 2 | B |
| Classification | C | |
| MRP | MRP 1 MRP 2 MRP 3 MRP 4 | D |
| Purchasing | Purchasing Foreign Trade: Import Data Purchase Order Text | E |
| Production resources/tools | F | |
| Costing | Costing 1 Costing 2 | G |
| Basic data | Basic Data 1 | K |
| Storage | General Plant Data / Storage 1 General Plant Data / Storage 2 | L |
| Forecasting | Forecasting | P |
| Quality management | Q | |
| Warehouse management | S | |
| Sales | Sales: Sales Org. Data 1 Sales: Sales Org. Data 2 Sales: General/Plant Data Foreign Trade: Export Data Sales Text | V |
| Plant stocks | X | |
| Storage location stocks | Z |