1. A method comprising: receiving, by a database server from a remote application server, a query associated with a calculation scenario, the calculation scenario defining a data flow model that includes one or more calculation nodes that each define one or more operations to execute by a calculation engine on the database server; instantiating, by the database server, a runtime model of the calculation scenario, the instantiating comprising accessing a local settings object stored with the calculation scenario, the local settings object specifying local settings for the calculation scenario; executing, by the database server, the operations defined by the calculation nodes of the instantiated calculation scenario to result in a responsive data set; and providing, by the database server to the application server, the data set.