On Saturday 02 February 2002 07:18 pm, Annie Bai wrote:
> Hi,
>
> After I used 'create user', Is there a database to keep all the information
> about users? How can i check the existence of users?
>
> Thanks,
> Yan
>
Hi,
Sure. Check out the pg_user table.
Postgres 'system' tables all seem to start with 'pg_'
si@guinness > psql -c "select * from pg_user"
usename | usesysid | usecreatedb | usetrace | usesuper | usecatupd | passwd | valuntil
----------+----------+-------------+----------+----------+-----------+----------+----------
postgres | 26 | t | t | t | t | ******** |
si | 27 | t | f | t | t | ******** |
nrg | 30 | t | f | t | t | ******** |
testuser | 28 | t | f | t | t | ******** |
sm | 31 | t | f | t | t | ******** |
tc | 32 | t | f | t | t | ******** |
nrgadmin | 33 | t | f | t | t | ******** |
dude | 29 | t | f | t | t | ******** |
ken | 34 | t | f | t | t | ******** |
(9 rows)
steve
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