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docs: rename to display-value

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Wing-Kam Wong 2 years ago
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      packages/noco-docs/content/en/setup-and-usages/display-value.md

35
packages/noco-docs/content/en/setup-and-usages/primary-value.md → packages/noco-docs/content/en/setup-and-usages/display-value.md
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@ -1,40 +1,41 @@
--- ---
title: "Primary Value" title: "Display Value"
description: "Understanding Primary Value in NocoDB!" description: "Understanding Display Value in NocoDB!"
position: 580 position: 580
category: "Product" category: "Product"
menuTitle: "Primary Value" menuTitle: "Display Value"
--- ---
## What is a Primary Value ? ## What is a Display Value ?
- Primary value as the name stands is the primary or main value within a row of a table that you generally associate that row with.
- Display Value as the name stands is the primary or main value within a row of a table that you generally associate that row with.
- It should be usually associated with a column which is uniquely identifiable. However, this uniqueness is not enforced at the database level. - It should be usually associated with a column which is uniquely identifiable. However, this uniqueness is not enforced at the database level.
## What is the use of Primary Value ? ## What is the use of Display Value ?
- Within a spreadsheet, primary value are always highlighted so that it is easier to recognise what row we are in. - Within a spreadsheet, Display Value are always highlighted so that it is easier to recognise what row we are in.
- And when LinkToAnotherRecord is created between two tables - it is the primary value that appears in LinkToAnotheRecord column. - And when LinkToAnotherRecord is created between two tables - it is the Display Value that appears in LinkToAnotheRecord column.
#### Example : Primary Value highlighted in Actor table #### Example : Display Value highlighted in Actor table
<img width="646" alt="image" src="https://user-images.githubusercontent.com/35857179/189114321-58ebaa16-20e2-4615-abda-39417a5df5bf.png"> <img width="646" alt="image" src="https://user-images.githubusercontent.com/35857179/189114321-58ebaa16-20e2-4615-abda-39417a5df5bf.png">
#### Example : Primary Value highlighted in Film table #### Example : Display Value highlighted in Film table
<img width="643" alt="image" src="https://user-images.githubusercontent.com/35857179/189114462-a7fef0e2-f9ac-4943-98d5-fee9f60a4ab5.png"> <img width="643" alt="image" src="https://user-images.githubusercontent.com/35857179/189114462-a7fef0e2-f9ac-4943-98d5-fee9f60a4ab5.png">
#### Example : Primary Value associated when LinkToAnotherRecord is created #### Example : Display Value associated when LinkToAnotherRecord is created
<img width="311" alt="image" src="https://user-images.githubusercontent.com/35857179/189114548-193acc4d-f714-4204-a560-97668db7884c.png"> <img width="311" alt="image" src="https://user-images.githubusercontent.com/35857179/189114548-193acc4d-f714-4204-a560-97668db7884c.png">
## How to set Primary Value ? ## How to set Display Value ?
Click down arrow in the target column. Click `Set as Primary Value`. Click down arrow in the target column. Click `Set as Display Value`.
<img width="251" alt="image" src="https://user-images.githubusercontent.com/35857179/189114857-b452aa6b-5cdb-4a74-9980-cb839d7d15fd.png"> ![image](https://user-images.githubusercontent.com/35857179/219339727-dee5fdea-6db7-4a06-9e48-df7113cc63b1.png)
## How is Primary Value identfied for existing database tables ? ## How is Display Value identfied for existing database tables ?
- It is usually the first column after the primary key which is not a number. - It is usually the first column after the primary key which is not a number.
- If there is no column which is not a number then the column adjacent to primary key is chosen. - If there is no column which is not a number then the column adjacent to primary key is chosen.
## Can I change the Primary Value to another column within tables ? ## Can I change the Display Value to another column within tables ?
- Yes, you can use the same way mentioned above to set Primary Value. - Yes, you can use the same way mentioned above to set Display Value.
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