Re: space taken by a row & compressed data

Leonardo Francalanci wrote:
> With mysql I know how much space a row will take, based on the datatype
> of it columns. I also (approximately) know the size of indexes.
> Is there a way to know that in postgresql?

We have an FAQ item about this.

> Is there a way to pack (compress) data, as with myisampack for mysql?

Long data values are automatically compressed.

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