Bhanu Murthy wrote: > Using Oracle Heterogeneous Services (Oracle HS) I have configured/created a DB link from Postgres 9.3 > database into Oracle 11gR3 database (with postgres DB user credentials). > > SQL> create public database link pg_link connect to "postgres" identified by "blahblah" using > 'postgresql'; > Since Postgres does not support public synonyms across databases in a cluster, how do I connect to a > specific database and query a specific table in this Postgres cluster using the HS DB link? > > Let's say, if I have 2 Postgres databases named pgdb01 and pgdb02 in the Postgres cluster, using this > DB link that I have created in Oracle, how can I query a specific table called table01 from pgdb01 > database? > > Even though the table user_account exists in pgdb01 database, I cannot select from it using the DB > link. You have to connect to a database to query its data. Rather than defining a database link to database "postgres", define two links, one for "pgdb01" and one for "pgdb02". Yours, Laurenz Albe -- Sent via pgsql-admin mailing list (pgsql-admin@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-admin