数据清除备份表，已废弃
| Column Name | Description | Datatype | Length | Allow Nulls | |
|---|---|---|---|---|---|
| createdtime (T+16.0) | datetime | 8 | True | ||
| ts (T+16.0) | timestamp | 8 | False | ||
| idSalesPromotionDTO (T+16.0) | int | 4 | False | ||
| promotionCode (T+16.0) | nvarchar | 60 | False | ||
| id (T+16.0) | int | 4 | False | ||
| idRetailDetailDTO (T+16.0) | bigint | 8 | True | ||
| promotionType (T+16.0) | int | 4 | False |
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