Normally refers to a variable length string data type.

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Can I use LongText instead of varchar

I want to store string like ...
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Does PostgreSQL have a variable character storage layer that optimizes storage space by automatic dedupe?

My application has a Product and a Purchased table. The Purchased table includes a full copy of the Product row at time of purchase, so that, even if a product name or description was changed, the ...
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148 views

Implicitly (or proxy) convert to Nvarchar on incoming queries from legacy or 3rd party applications

We have a 3rd party application of which we don't have the source code. This application executes queries on our database without using the "N" prefix before literal strings. It does this in inserts ...
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varchar() vs TEXT with utf8 encoding character length limit

I'm building a huge dashboard for a big website. And I'm now in the phase of creating the database and it is very very big with a lot of relations. So I want to build something that doesn't consume ...
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making everything varchar on purpose, though some fields should be int

I'm writing a PHP website for some clients which parses excel, stores the value in a database and then retrieves them. Some fields are only integers, but the clients can't make up their minds, they ...