How to deal with table.Field/sum(table.Field) BIEE

Ｉ　ｈａｖｅ　ａ　ｑｕｅｓｔｉｏｎ　ｗｉｔｈ　ｔｈｉｓ　table.Field/sum(table.Field)，　
ａｎｄ　ａｎｏｔｈｅｒ　ｃａｓｅ　ｉｓ：　ｏｎｅ　ｆｉｅｌｄ　ｏｆ　ｔａｂｌｅ　／ａｎｏｔｈｅｒ　ｆｉｅｌｄ　ｏｆ　ａ　ｔａｂｌｅ，　ｂｕｔ　ｔｈｅｓｅ　ｔｗｏ　ｔａｂｌｅｓ　ｎｏｔ　ｄｉｒｅｃｔｌｙ　ｒｅｌａｔｉｏｎ，　ｓｕｃｈ　ａｓ：　ｏｎｅ　ｄａｙ　ｓａｌｅｓ（ｏｎｅ　ｔａｂｌｅ）／ｔｈｅ　ｌａｓｔ　ｄａｙ　ｓａｌｅｓ（ａｎｏｔｈｅｒ　ｔａｂｌｅ）

The way to go is hierarchical field names, as it has been said.
What would give you more flexibility, would be to give your element page's fields logical names. This would lead to building blocks, which can be freely combined. Any logic within the building blocks would not change at all, and logic going beyond a block would be straightforward to set up.
Hope this can help.
Max Wyss.

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