酒店行业食材价格指数查询系统
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计算机通过关系型数据库对食材及价格数据进行结构化存储,主要包括三张核心表。食材信息表存储食材基础属性,关键字段包括:唯一标识符 id(数字或字符)、IngredientName(如“猪肉”)、Category(如“肉类”)、Specification(规格)、Unit(单位,如“千克”)、Origin(产地)和 IngredientIDGroup(替代组ID)。指数记录表记录价格指数结果与配置,关键字段包括:唯一标识符 IndexID、IndexName(如“月度蔬菜指数”)、CalculationMethod(计算方法)、BasePeriod(基期,如“2025年1月”)、IndexValue(指数值)和 CalculationDate(计算日期)。价格记录表存储市场交易价格,关键字段包括:唯一标识符 PriceID、关联食材的 IngredientID、Price(单价)、PriceDate(价格日期)、MarketName(如“上海江桥市场”),以及用于趋势分析的 LastmonthPrice、YearPrice 和AveragePrice。
This dataset structurally stores ingredient and price data via a relational database, which mainly includes three core tables. The Ingredient Information Table stores basic attributes of ingredients, with key fields including: unique identifier id (numeric or character), IngredientName (e.g., "pork"), Category (e.g., "meat"), Specification, Unit (e.g., "kilogram"), Origin, and IngredientIDGroup (alternative group ID). The Index Record Table records price index results and configurations, with key fields including: unique identifier IndexID, IndexName (e.g., "monthly vegetable index"), CalculationMethod, BasePeriod (e.g., "January 2025"), IndexValue (index value), and CalculationDate. The Price Record Table stores market transaction prices, with key fields including: unique identifier PriceID, associated ingredient's IngredientID, Price (unit price), PriceDate, MarketName (e.g., "Shanghai Jiangqiao Market"), as well as LastmonthPrice, YearPrice, and AveragePrice for trend analysis.




