When you log in in to Ideata Analytics, you are on home page of connect screen which looks like below -
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It gives you an overview of already created datasources and analysis.
To create a new data source connection, you have to click on " + " sign given on the screen.
You will see a list of prebuilt connectors available within the tool.
You can pick the datasource you want to connect to and provide required details to create a new connection.