# PostgreSQL

Go to the workspace settings, then to the Source tab, and click "Add New Source".

* **Step 1:** Select PostgreSQL from the list of available sources<br>
* **Step 2:** Create a DinMo user on your DataWarehouse and the DinMo technical datasets.\
  \
  DinMo needs to read all the tables that you want to use to build models and segments. It also needs to write access to 3 schemas that will be used to store technical (segment queries, segment stats, activation snapshots).<br>

  We recommend you to create a specific user for DinMo and grant it the needed permissions.

  You can do so by running the following SQL snippet.

```sql
-- Give the DinMo user the ability to sign in with a password
CREATE USER DINMO_USER WITH PASSWORD '<strong, unique password>';

-- Create the schemas that DinMo will use to store technical data that enables to run your activations

CREATE SCHEMA IF NOT EXISTS DINMO_DELTA_STORAGE;
CREATE SCHEMA IF NOT EXISTS DINMO_SEGMENTS;
CREATE SCHEMA IF NOT EXISTS DINMO_STATS;
CREATE SCHEMA IF NOT EXISTS DINMO_PREDICTIONS;

-- Grant the DinMo user full access to these schemas

GRANT CREATE, USAGE ON SCHEMA DINMO_DELTA_STORAGE TO DINMO_USER;
GRANT CREATE, USAGE ON SCHEMA DINMO_SEGMENTS TO DINMO_USER;
GRANT CREATE, USAGE ON SCHEMA DINMO_STATS TO DINMO_USER;
GRANT CREATE, USAGE ON SCHEMA DINMO_PREDICTIONS TO DINMO_USER;

-- Let the DinMo user read and query the schemas that contain the data that you want to use in the DinMo Platform
-- Replace <your schema> with the name of the schema where you store the tables and views that will be used in the DinMo Platform 
-- Repeat this operation for all the schemas that store relevant data that you want to connect to DinMo 

GRANT USAGE ON SCHEMA "<your schema>" TO DINMO_USER;
GRANT SELECT ON ALL TABLES IN SCHEMA "<your schema>" TO DINMO_USER;
ALTER DEFAULT PRIVILEGES IN SCHEMA "<your schema>" GRANT SELECT ON TABLES TO DINMO_USER;
GRANT EXECUTE ON ALL FUNCTIONS IN SCHEMA "<your schema>" TO DINMO_USER;
ALTER DEFAULT PRIVILEGES IN SCHEMA "<your schema>" GRANT EXECUTE ON FUNCTIONS TO DINMO_USER;
```

Please edit the `<value>` fields in the script to define your own credentials and parameters.<br>

* **Step 3:** Fill in the required information<br>
  * Host: The hostname or IP address of your cluster.<br>
  * Database: The name of the database in your cluster.<br>
  * Port: The port number of your cluster. The default is 5439, but yours may be different.<br>
  * User and password: The credentials you created in the script above.<br>
* **Step 4:** Hit "Save & Test". This will launch a test ensuring that the connection is working. If so, congratulations, your source setup is finished!

***

If you encounter an error or question not listed below and need assistance, don't hesitate to reach out to your account manager or <support@dinmo.com>. We're here to help!


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