This string includes the properties used to connect to Snowflake using key-pair authentication.

jdbc:datadirect:snowflake:AccountName=account_name;AuthenticationMethod=KeyPair;
DatabaseName=database_name;Schema=schema_name;Warehouse=warehouse_name;
PrivateKeyFile=privatekeyfile_location;PrivateKeyPassphrase=password;[property=value[;...]];

where:

account_name
specifies the full name of your account with region and cloud platform.
database_name

specifies the name of the database to which you are connecting.

schema_name

specifies the default schema to use for the specified database once connected. The specified schema should be an existing schema for which the specified default role has privileges.

warehouse_name

specifies the virtual warehouse to use once connected. The specified warehouse should be an existing warehouse for which the specified default role has privileges.

privatekeyfile_location
specifies the absolute path to the private key file you want to use for authentication.
Note: Alternatively, you can specify the content of a private key in the connection string. To specify the private key content, use the PrivateKeyContent connection property.
password
specifies a password that is used to descrypt either a private key or the content of a private key.
property=value
specifies connection property settings. Multiple properties are separated by a semi-colon.

The following example connection string includes the properties required for connecting with key-pair authentication.

Connection conn = DriverManager.getConnection
("jdbc:datadirect:snowflake:AccountName=account_name.us-east-1;
  AuthenticationMethod=KeyPair;DatabaseName=payroll;Schema=xyz;Warehouse=accounting;
  PrivateKeyFile=C:\Program Files\privatekey.p8;PrivateKeyPassphrase=abc123;");