1. A database interface, comprising: a user interface device including at least one processor configured to form a representation of a first query of a database in response to an input, to transmit the first query of the database, to receive a result of the first query, to receive a recommendation to change the first query, to present for display a representation of the result of the first query, to output a representation of the recommendation to change the first query, to transmit a second query of the database in response to another input, to receive a result of the second query, and to output a representation of the result of the second query; wherein the first query has a parameter that corresponds to an object in a set, wherein the object relates to a location, and wherein the recommendation to change the first query includes at least one child of the object and at least one parent of the object, and the second query corresponds to a child of the object or parent of the object selected from the recommendation to change the first query.