Users' questions

What is Dblink in Postgres?

by Rhyley Bryan

What is Dblink in Postgres?

dblink is a module that supports connections to other PostgreSQL databases from within a database session. See also postgres_fdw, which provides roughly the same functionality using a more modern and standards-compliant infrastructure.

Is Postgres compatible with Oracle?

Deep compatibility EDB Postgres Advanced Server is compatible with Oracle database, so migrating away from Oracle doesn’t mean throwing everything you know about Oracle—including your application code—out the window.

How do I create a database link in PostgreSQL?

Postgresql create stored database link

  1. CREATE PUBLIC DATABASE LINK my_link CONNECT TO my_schema IDENTIFIED BY shema_password USING ‘remote’;
  2. SELECT * FROM some_table@my_link;
  3. SELECT * FROM dblink(‘host= port= dbname= user= password=’, ‘select table_schema, table_name from information_schema.

How do I connect to a PostgreSQL database using Oracle SQL Developer?

Open a file (File -> New File) and set the file type to SQL (View -> Command Palette -> PostgreSQL: Manage Connection Profiles, and opt to select SQL as your file type, then select SQL from the list). Your file should now have the red barrel SQL icon on the tab. Now create a Connection Profile.

How to import a PostgreSQL database with pgadmin?

Open PgAdmin.

  • Click on Servers >> your PostgreSQL server name.
  • select the file that has the data to be imported

    • How to select database in PostgreSQL?

    PostgreSQL allows selecting database in different ways. If we are using pgAdmin, we can just double click on the database and it will automatically select the database and will prompt for a password. If we are using psql command-line client we can use the following command.

    How do I link two access databases?

    You can merge two separate Microsoft Access databases by using the built-in tools. Create a new database by selecting “Blank Database” in the “File” menu. Click “Access” under the “Import & Link” area of the ribbon to open the “Import Wizard.”.

    How do I create a database in Oracle?

    Steps for Creating an Oracle Database Step 1: Back up any existing databases. Step 2: Create parameter files. Step 3: Edit new parameter files. Step 4: Check the instance identifier for your system. Step 5: Start SQL*Plus and connect to Oracle as SYSDBA. Step 6: Start an instance. Step 7: Create the database. Step 8: Back up the database.