1. A method for managing prospective search queries, the method comprising: receiving a first prospective search query, wherein the first prospective search query comprises one or more first keys with corresponding first values; determining a first sample data set based on a union of the first prospective search query and a second prospective search query, wherein the second prospective search query comprises one or more second keys with corresponding second values; and providing an indication that the first prospective search query is not mutually exclusive with the second prospective search query if the first sample data set matches the second prospective search query, wherein the determining the first sample data set comprises: determining keys of the first sample data set as a union of the one or more first keys with the one or more second keys, wherein the union does not contain duplicate keys, and determining a corresponding value for each key of the first sample data set as the corresponding second value for the key if the first prospective search query does not contain the key and as the corresponding first value for the key if the first prospective search query contains the key.