Power BI 关系管理relationship management中,如何实现复合主键关联,即多字段关联。 现状:relationship management中目前只支持一个字段关联关系,且只能一个关系。 需求:现实情况中,往往会碰到同时多字段关联。 解决思路: 1.在transform data阶段,把关联关系中需要的几个字段merge column为一个新的字段,在relationship中用...
Dragging the key column from one table to the other results in a message saying: “You can’t create a relationship between these two columns because one of the columns must have unique values.” The cause is simple: Power BI can only create relationships b...
如需關聯性的詳細資訊,請參閱在Power BI Desktop 中建立和管理關聯性.更新的模型檢視目前版本的 Power BI Desktop 已啟用更新的模型檢視。資料表卡片標題中的色彩會自動比對您已在正在使用之任何報表主題中選取的色彩。 如果色彩太接近白色,模型檢視不會在主題標題中使用它,以避免在雙模式下難以區分資料表的情况。
DAX has an automatic filtering mechanism that occurs when multiple columns from the same table are filtered. This behavior is informally called ‘auto-exist’. DAX understands that not all combinations of values across these columns are valid and as a result it automatically excludes invalid combinat...
Now that we've established this relationship, it's displayed in the Relationship view in Power BI Desktop, as we would expect.We can now create visuals by using any of the fields in the Fields list. This approach seamlessly blends data from multiple sources. For example, the total Sales...
本来最开始发现Power BI有自动生成关联关系(Automatic Relationship)的时候,因为怕麻烦,所以我就是简单的把不要的关系去掉就算了。总想着,这个自动生成关联关系也许还行。但是,昨天做需求,加了点东西,一直报错。最终痛下决心,把automatic relationship干掉了。
This can also be used to quickly reorder the columns of a table or matrix: First-time coachmarks We’ve also included contextual coachmarks to help first-time users of this feature. When a user first lands on a report page with a visual that can be personalized, they will see the follo...
在 Power BI 支持多对多关系之前,关系涉及的列至少有一个必须包含唯一值。 不过,在某些场景下可能没有列包含唯一值,比如分析订单和产品的时候,一个订单包含多个产品,一个产品也可以属于多笔订单,通常的解决方法是在模型中引入包含必要唯一值的附加表,也称做桥接表。现在借助多对多关系,你可以直接连接此类表,关于...
Joining Two Tables by Key Columns in Power BI Joining tables by key columns involves creating a relationship between two tables using a unique identifier or key value. This can be done by selecting the “Manage Relationships” button in the Home tab and connecting the key column in one table...
Configure one bi-directional relationship to allow filter propagation to continue to the fact-type tables When it isn't appropriate to have missing ID values, set the Is Nullable property of ID columns to FALSE—data refresh will then fail if missing values are sourced Hide the bridging table ...