Matchmaking cannot change the past way of combining studies: satisfies, unions, and you may blends
You might contemplate how data suits along with her and you will just what inquiries we want to answer, as opposed to how exactly to mix the details otherwise make up for artifacts about repository.
Alternatively, relationship are the brand new, versatile solution to render studies with her from numerous sources. The present tips aren’t disappearing, and are however useful in certain circumstances.
- Relationship, part step 1: Initiating new study modeling when you look at the Tableau (Link reveals inside a different sort of windows)
- Dating, part 2: Tricks and tips (Connect opens inside a separate screen)
- Relationships, region step 3: Inquiring questions across the multiple relevant tables (Hook opens up within the a different windows)
Play with Dating
This subject guides courtesy strengthening a related databases and ultizing one to to possess investigation. If you want to adhere to along, you can obtain the fresh new Bookshop data set (Hook opens in yet another window) . Prefer Bookshop.xlsx towards the raw investigation to begin with away from abrasion, or MinimalBookshop.tdsx to start with the latest relevant data source rules designed getting your.
Video: Migrated Studies
For many who unlock a preexisting workbook out of a previous sorts of Tableau (version 2020.step 1 otherwise before) in the Tableau 2020.dos or later on, your data supply case might let you know an excellent Moved Investigation dining table.
There are several video clips embedded in this question. For your benefit, a beneficial transcript is offered throughout the expandable section the underside for every single video clips.
For those who discover good workbook made before relationships was basically offered (prior to adaptation 2020.2), your computer data supply may look different. In the event that there were joined otherwise unioned dining tables, they look because an individual logical desk entitled Moved Analysis. Double mouse click observe the underlying dining tables-these are generally however around, along with your data commonly still become requested.
Remember that when you are using only the Moved Research dining table, the information pane acts similar to earlier versions from Tableau Desktop computer.
After you have extra relationship on the data model, the information and knowledge pane standing to the the newest style, with proportions and you may methods managed in this per desk, while the Moved Data dining table try presented once the just one, matched dining table.
Video: Relate dining tables
To build a repository out-of related tables, connect to important computer data and pull a desk on fabric. Drag-out a moment table. A relationship usually immediately means if this is. If Tableau you should never choose the fresh relevant industries, you might be encouraged to choose him or her on your own.
The fresh new canvas you’re enjoying is a special level of study design where you could associate dining tables together with her. Dragging-out latinomeetup hile apk even more tables adds these to the content model. The noodle reveals which dining tables is relevant.
Relationship shall be according to computed areas. You can even specify exactly how sphere are going to be opposed by using workers when you describe the relationship.
Create meets
You possibly can make a join of the double clicking on a dining table to open up the subscribe material (referred to as this new real covering), right after which dragging-out a table to help make a join. Doing touches is the identical sense because previous versions away from Tableau-you could lay a join clause, and a computation if necessary, and you will configure the fresh new sign-up sort of.
After you close brand new sign-up material, the brand new desk on relationships fabric (often referred to as new analytical level) features a hop on icon to point the root register. It is because a join merges the dining tables with her to form an individual, the new table. Associated tables are nevertheless type of.
Put unions
Create unions from the dragging out The newest Relationship. Unions, such as for instance meets, indeed combine the details, and feature an icon on logical layer. I encourage always renaming unions-otherwise people tables having uncertain brands-to anything alot more beneficial.
Video: Efficiency Alternatives
For the dating, you can find results solutions as well as relevant fields. Tableau immediately chooses safer defaults for those options. Although not, while you are sure of the features of data, altering these solutions offers Tableau more information on the best way to top arrange automated suits throughout the investigation. Form the brand new cardinality and you may referential stability choice offers Tableau considerably more details on precisely how to enhance concerns.