Обсуждение: Re: Select Multi Database / Need More;
Thank's for Milist's advices,
Dear Oliver Elphick <olly@lfix.co.uk>, You Wrote ;
>You cannot read from another database. In 7.3, you can have multiple
>schemas in one database and the syntax for reading a file from another
>schema is:
>You cannot read from another database. In 7.3, you can have multiple
>schemas in one database and the syntax for reading a file from another
>schema is:
> SELECT * FROM schema.table...
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Dear Bruce Momjian <pgman@candle.pha.pa.us>, You Wrote;
>You can't do cross-db queries directly. In 7.3, you can use schemas and
>put them all in the same database, or use /contrib/dblink for cross-db
>queries.
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>put them all in the same database, or use /contrib/dblink for cross-db
>queries.
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Then how could i make it (SCHEMA)..??
There are many tables split on 4 databases on my previous
databases (MS-SQL Server). Could you give me more
explanations about PostgreSQL-Schema. I've tried to search
about schema on many url but i still don't clearly understand
about "schema", there's no Create Schema command or
some command that's following with option schema. In the middle of
my confusing i tried to using command "create schema my_schema;"
it wasn't error show up, but my_schema that's i created is the same
with other database and it could dropped using "drop database my_schema".
So do you have any idea how to make a schema on PostgreSQL..??? and
anybody have any examples that's using "contrib/dblink"...???.
Sorry for very-basicly question.
Some Advices will be helpfull.
TIA and GOD Bless You.
Some Advices will be helpfull.
TIA and GOD Bless You.
On Fri, 2002-11-29 at 19:08, yudha wrote: > Then how could i make it (SCHEMA)..?? > There are many tables split on 4 databases on my previous > databases (MS-SQL Server). Could you give me more > explanations about PostgreSQL-Schema. I've tried to search > about schema on many url but i still don't clearly understand > about "schema", there's no Create Schema command or > some command that's following with option schema. You need PostgreSQL 7.3, released yesterday. junk=# \h create schema Command: CREATE SCHEMA Description: define a new schema Syntax: CREATE SCHEMA schemaname [ AUTHORIZATION username ] [ schema_element [ ... ] ] CREATE SCHEMA AUTHORIZATION username [ schema_element [ ... ] ] For example: CREATE SCHEMA newjunk CREATE TABLE fred (id SERIAL PRIMARY KEY, fname TEXT) CREATE TABLE george (id SERIAL PRIMARY KEY, gname TEXT ); -- Oliver Elphick <olly@lfix.co.uk> LFIX Limited