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The Power Pivot add-in includes a Diagram View that lets you work with a data model in a visual layout. In this view, you can drag and drop fields between tables to create a relationship. You can also view additional, predefined relationships and choose which one is active.
You can create a relationship between two tables of data, based on matching data in each table. Then you can create Power View sheets and build PivotTables and other reports with fields from each table, even when the tables are from different sources.
Relationships exist within a Data Model—one that you explicitly create, or one that Excel automatically creates on your behalf when you simultaneously import multiple tables. You can also use the Power Pivot add-in to create or manage the model. See Create a Data Model in Excel for details.
The Power Pivot add-in includes a Diagram View that lets you work with a data model in a visual layout. In this view, you can drag and drop fields between tables to create a relationship. You can also view additional, predefined relationships and choose which one is active.
You can either define a table relationship that works, perhaps by creating a chain of relationships among multiple tables, or you can remove fields from the PivotTable that cause the blank rows to occur.
The Data Analysis Expression (DAX) RELATED function uses the relationships between tables to look up related values in another table. It will return different results after the relationship is deleted. For more information, see the RELATED Function.
Sometimes Excel fails to detect relationship between tables. In this case, you can use the information in this article to troubleshoot automatic relationship detection. To better understand the requirements and mechanics of relationship detection see Relationships between tables in a Data Model.
A cell relationship diagram shows a detailed, interactive diagram of all links from the currently selected cell to other cells in the same worksheet, other worksheets, or even other workbooks.
A great way to check for links between worksheets is by using the Worksheet Relationship command in Excel. If Office Professional Plus is installed on your computer, you can use this command, found on the Inquire tab, to quickly build a diagram that shows how worksheets are linked to each other.
You can either define a table relationship that works, perhaps by creating a chain of relationships among multiple tables, or you can remove fields from the PivotTable that cause the blank rows to occur.
Table relationships can be created automatically if you import related tables that have primary and foreign key relationships. Excel can usually use the imported relationship information as the basis for table relationships in the Data Model.