| From: | Sean Davis <sdavis2(at)mail(dot)nih(dot)gov> |
|---|---|
| To: | pgsql-interfaces(at)postgresql(dot)org |
| Cc: | Sandeep Khandelwal <sandeep_khandelwal27(at)yahoo(dot)com> |
| Subject: | Re: How to get table definition of a PostgreSQL table |
| Date: | 2006-10-27 10:53:18 |
| Message-ID: | 200610270653.18624.sdavis2@mail.nih.gov |
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| Lists: | pgsql-interfaces |
On Friday 27 October 2006 02:25, Sandeep Khandelwal wrote:
> Hi.
>
> I would like to get field's name, datatype of each field, length of each
> field and precision of each field of a PostgreSQL table. Please let me SQL
> query to get this information.
See these two chapters in the postgresql docs:
http://www.postgresql.org/docs/8.1/interactive/catalogs.html
http://www.postgresql.org/docs/8.1/interactive/information-schema.html
Each has advantages over the other.
Also, if you start psql with the flag --echo-hidden, when you do commands like
\dt and \d+, psql will show you the sql it uses to produce that output.
Sean
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