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中文
  • PowerCenter 10.4.0
  • 所有产品

目录

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  1. 前言
  2. 使用转换
  3. 汇总器转换
  4. 自定义转换
  5. 自定义转换函数
  6. 数据屏蔽转换
  7. 数据屏蔽示例
  8. 表达式转换
  9. 外部过程转换
  10. 筛选器转换
  11. HTTP 转换
  12. Identity Resolution 转换
  13. Java 转换
  14. Java 转换 API 引用
  15. Java 表达式
  16. Java 转换示例
  17. 联接器转换
  18. 查找转换
  19. 查找缓存
  20. 动态查找缓存
  21. 规范器转换
  22. 等级转换
  23. 路由器转换
  24. 序列生成器转换
  25. 排序器转换
  26. 源限定符转换
  27. SQL 转换
  28. 在映射中使用 SQL 转换
  29. 存储过程转换
  30. 事务控制转换
  31. 联合转换
  32. 非结构化数据转换
  33. 更新策略转换
  34. XML 转换

转换指南

转换指南

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创建数据库表

创建数据库表

SQL 转换会将产品价格写入 Prod_Cost 关系表。Prod_Cost 表包含每个产品的单位价格和包装价格。它会按单位和包装存储批发价格、零售价格和制造价格。
不用在存储库中为 Prod_Cost 表创建关系目标定义。SQL 转换会生成 SQL 语句以更新数据库中的表。
Prod_Cost 表包含以下列：
成本类型
数据类型
说明
ProductID
变长字符型
确定要更新的产品的唯一编号。
WUnitPrice
数字
批发单位价格。
WPkgPrice
数字
批发包装价格。
RUnitPrice
数字
零售单位价格。
RPkgPrice
数字
零售包装价格。
MUnitPrice
数字
制造单位价格。
MPkgPrice
数字
制造包装价格。
以下 SQL 语句在 Oracle 数据库中创建 Prod_Cost 表和三个产品行： 
Create table Prod_Cost (ProductId varchar (10), WUnitPrice number, WPkgPrice number, RUnitPrice number, RPkgPrice number,MUnitPrice number, MPkgPrice number );
insert into Prod_Cost values('100',0,0,0,0,0,0);
insert into Prod_Cost values('200',0,0,0,0,0,0);
insert into Prod_Cost values('300',0,0,0,0,0,0);
commit;