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Domo Knowledge Base

Snowflake Connector

Version 19

 

Intro

Snowflake is data warehouse that makes it easy to bring together all your data and make it available to all of the users and systems that need to analyze it. You can use Domo's Snowflake connector to retrieve data from a specified warehouse, database, and database schema by inputting an SQL query. For more information about the Snowflake API, go to https://docs.snowflake.net/manuals.

The Snowflake connector is a "Database" connector, meaning it retrieves data from a database using a query. In the Data Center, you can access the connector page for this and other Database connectors by clicking Database in the toolbar at the top of the window.

This topic discusses the fields and menus that are specific to the Snowflake connector user interface. For general information about adding DataSets, setting update schedules, and editing DataSet information, see Adding a DataSet Using a Data Connector.

Prerequisites

To connect to a Snowflake database and create a DataSet, you must have the following:

  • The full name of your account (provided by Snowflake). This is the portion of your Snowflake URL immediately following https://.

    Note that your full account name may include additional segments that identify the region and cloud platform where your account is hosted. The following table provides account name examples by cloud platform/region. For each row, it assumes your account name is "xy12345."

    snowflake_account_names.png 

  • The username and password for your Snowflake account.

Connecting to Your Snowflake Account

This section enumerates the options in the Credentials and Details panes in the Snowflake Connector page. The components of the other panes in this page, Scheduling and Name & Describe Your DataSet, are universal across most connector types and are discussed in greater length in Adding a DataSet Using a Data Connector.

Credentials Pane

This pane contains fields for entering credentials to connect to your Snowflake account. The following table describes what is needed for each field:

Field

Description

Account Name

Enter the account name for your Snowflake account. For information about finding your account name, see Prerequisites.

Username

Enter the username associated with your Snowflake account.

Password

Enter the password associated with your Snowflake account.

After you have entered valid Snowflake credentials, you can use the same account in Domo any time you create a Snowflake DataSet. You can manage connector accounts in the Accounts tab in the Data Center. For more information about this tab, see Managing User Accounts for Connectors.

Details Pane

This pane contains a number of fields and menus for entering your SQL query and specifying the location of the data you want to retrieve.

Parameter

Description

Query

Enter the SQL query to use to retrieve your data. You can use the Query Helper parameter to help you write a usable SQL query. To use the Query Helper, do the following:

  1. Select your desired warehouse, database, database schema, database table, and table columns in each menu.

  2. Copy the SQL statement that appears in the Query Helper field.

  3. Paste the copied SQL statement into the Query field.

Warehouses 

Select the warehouse containing the data you want to retrieve. The list populates with all of the warehouses you have access to based on your credentials.  

Databases 

Select the database containing the data you want to retrieve. The list populates with all of the databases you have access to based on your credentials.  

Database Schema 

Select the database schema containing the data you want to retrieve. The list populates with all of the schemas you have access to based on your credentials.  

Database Tables (Optional)

Select the database table you want to retrieve. The list populates with all of the tables you have access to based on your credentials. If you do not select a database table, the connector retrieves your entire database schema.

Table Columns (Optional)

Select the table columns you want to retrieve. The list populates with all of the columns you have access to based on your credentials. If you do not select a table column, the connector retrieves your entire selected database table.

Query Helper (Optional)

When you select warehouses, databases, schemas, tables, etc. from the above menus, a usable SQL query is built for you in this field. Copy and paste the SQL statement in this field into the Query field. For more information, see Query, above.

Fetch Size (Optional) Enter a fetch size for memory performance. If this field is left blank, the default value of 1000 will be used. If the DataSet throws an "Out of memory" error, try decreasing the fetch size.

snowflake_ui.png

Other Panes

For information about the remaining sections of the connector interface, including how to configure scheduling, retry, and update options, see Adding a DataSet Using a Data Connector.

FAQs

Are there any API limits I should be aware of?

This depends on your server configuration.

How frequently will my data update?

DataSets can run as often as every 15 minutes. However, depending on the runtime of the query, DataSets may need to run less frequently.

What should I be aware of while writing a query?

Make sure that all the words, table names, and field names are correctly spelled. Refer to the Query Helper field for query help. 

Why can't I connect to my Snowflake database? Do I need to whitelist any IP addresses?

Before you can connect to a Snowflake database, you must also whitelist a number of IP addresses on your database server on the port you want to connect to. For the full list of IP addresses, see Whitelisting IP Addresses in Domo.

Is this a Production-level connector?

This connector is designed for small/medium DataSets and proof of concept work for large DataSets.

Why are the lists of warehouses, databases, schemas, etc. not populating correctly? 

You only see content that that you have access to based on the user role entered for your account in Snowflake. If you aren’t seeing something you are expecting, make sure that role has access to that warehouse, database, table. etc.

If you do not enter a role in Snowflake, the SYSADMIN role is used by default.