On Thu, Apr 8, 2010 at 6:34 PM, sunpeng <bluevaley@xxxxxxxxx> wrote:
> once i have created mydb and several relations in it,are there any sql
> commands used to list all the tables in this mydb?
> i noticed there are no database( pg_database.oid) field in pg_class table,so
> i can not use
> select relname from pg_class,pg_database where pg_database.datname like
> 'mydb' and pg_class.database = pg_database.oid;
> anybody knows how to do it?
> another question:how postgresql internal knows which relations belongs to
> which database?
>
> thanks
>
>
hi,
You can use the -E option for psql, so it will output all querys
executed behind the scenes when you use meta-commands like \dt.
You can then copy and modify those querys to better suit your needs.
Example
$ psql -E mydb
psql (8.4.3)
Type "help" for help.
mydb=# \dt
.. (the query that gets executed is appears here)..
List of relations
Schema | Name | Type | Owner
--------+--------------------------+-------+--------
public | sometable | table | myname
HTH,
diego
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