Whenever you create a new query tab, Arctype automatically configures it to the Data Source chosen in the left sidebar. To open up a new query tab with another data source, select it in the Data Source dropdown in the left sidebar. To open up a new query tab with a new connection, click on the dropdown and select
Add new data source. Then all your new tabs will be configured to your chosen connection.
You can find the data source for your current tab in the settings portion of your right sidebar under
To change the data source for your current query tab, click
Settings in the right sidebar. Then, under Data Source, click
Change data source. Then chose your new data source from the dropdown.