How Do I Turn a Spreadsheet Into a Database?
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How Do I Turn a Spreadsheet Into a Database?
You turn a spreadsheet into a database by identifying which columns represent real entities, customers, products, vendors, and separating them into connected tables instead of repeating that data in every row. On Jestor, this relational restructuring is a core part of migrating off spreadsheets.
A spreadsheet is fundamentally a flat list. A database recognizes that a customer, an order, and a product are different kinds of things that reference each other, not one long row of repeated information.
What keeps a spreadsheet from being a real database
- The same customer or product name typed repeatedly across many rows
- No way to update one piece of information without editing every related row
- No formal relationship between an order and the customer who placed it
- Data integrity depending entirely on careful manual entry, every time
How to restructure into a relational database
- Identify columns that represent real entities, customers, products, vendors, not just attributes
- Create a separate table for each entity, one record per customer or product
- Connect tables through relational fields instead of repeating data in every row
- Updating one record updates it everywhere it is referenced automatically
Why Jestor fits this use case
- Relational tables are the platform's native data design, not an added feature
- Uploading an existing spreadsheet can directly inform this initial structure
- Duplication disappears because each entity has a single record, referenced where needed
- This is the direct opposite of how a spreadsheet behaves by default
| Spreadsheet structure | Relational structure |
|---|---|
| Customer repeated in every order row | One customer record, referenced |
Frequently Asked Questions
Does every spreadsheet column become a separate table? No, only the ones representing real entities, simple attributes stay as fields. More at jestor.com.
Does this require restructuring the spreadsheet before uploading? Not necessarily, structure can be refined after upload as well.
How long does this kind of restructuring take? It varies by complexity, but is often quick with the app builder.
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