mirror of https://github.com/nocodb/nocodb
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title: "Primary value" |
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description: "Primary value" |
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position: 575 |
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category: "Usage" |
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menuTitle: "Primary value" |
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--- |
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## What is a 'Primary value' ? |
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- 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. |
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- It should be usually associated with a column which is uniquely identifiable. However, this uniqueness is not enforced at the database level. |
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## What is the use of 'Primary value' ? |
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- Within a spreadsheet, primary value are always highlighted so that it is easier to recognise what row we are in. |
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- And when LinkToAnotherRecord is created between two tables - it is the primary value that appears in LinkToAnotheRecord column. |
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## How is ```Primary value``` identfied for existing database tables ? |
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- It is usually the first column after the primary key which is not a number. |
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- If there is no column which is not a number then the column adjacent to primary key is chosen. |
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## Can I change the ```Primary Value``` to another column within tables ? |
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- Yes, you can. Hover over column which you want as primary column and click ```Set as Primary Value``` |
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