1. A system including instructions recorded on a non-transitory computer-readable storage medium, and executable by at least one processor, the system comprising: a query relationship data structure (RELSTRUCT) generator configured to cause the at least one processor to select a plurality of queries, each query structured for application against a database to yield a query result, the RELSTRUCT generator including a query analyzer configured to cause the at least one processor to identify query parts of individual queries, and determine for each query, a relation, if any, of an included query part to any query part of remaining queries of the plurality of queries; wherein the RELSTRUCT generator is further configured to cause the at least one processor to create, for each query, a query relationship data structure in which the query is related to at least one other query of the plurality of queries, based on the determined relation of a query part of the query and a query part of the at least one other query of the plurality of queries, and store the query relationship data structures in a query relationship data structure (RELSTRUCT) repository.