[GRASSLIST:10013] Re: How can I create an index on the cat-column?

[Radim Blazek]

On 1/26/06, Wolfgang Qual <Wolfgang.Qual at gmx.net> wrote:
> Hi grass-users,
> Recently, I read the following (g.manual v.to.db):
> "If the module is apparently slow and the map attributes are stored in an
> external DBMS such as PostgreSQL, it is highly recommended to create an
> index on the key (category) column."
> How is this done?

Index is created automaticaly by most of GRASS modules.
You only need to create index manualy for tables connected by
v.db.connect.

Radim

> Best regards,
> Wolfgang
>
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