Thread: How to make the key in table increase automatically?

How to make the key in table increase automatically?

From
Mathias Göthberg
Date:
How to make the key in a table increase automatically with 1 every time a new row is added?

That is, when I add a new row with all attributes except the primary key, I want the primary key in that row to have a
uniquenumber that is 1 higher than the previous row. 

Mathias






Re: How to make the key in table increase automatically?

From
"Anthony E . Greene"
Date:
On 24 Aug 2000 14:24 Mathias Göthberg wrote:
>How to make the key in a table increase automatically with 1 every time a
>new row is added?
>
>That is, when I add a new row with all attributes except the primary key,
I
>want the primary key in that row to have a unique number that is 1 higher
>than the previous row.

Use data type 'serial'.

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