how to create tablespace with set initial size in Postgresql? -


i have, in oracle, following sql command create tablespace initial size:

create tablespace tb1 datafile 'file.f' size 10m autoextend on;

i didn't find same sql command postgresql.

according research there is't possibility set field in postgres.

i need set because increases performance of application.

in short: can't

the way oracle stores data different way postgres it. postgres doesn't store in single (tablespace) file way oracle it.

a tablespace not file in oracle it's directory postgres stores files tables located in tablespace. , because it's directory "pointer", there no initial size can specify.


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