1) _______is data that have been processed and presented in a form suitable for human interpretation, often with the purpose of revealing trends or patterns. 2) User-defined __ can improve system performance because they will be processed as sets rather than individually, thus reducing system overhead. 3) _______refers to user testing of a completed information system using simulated data. 4) The ________ command causes tables to be removed, deleted, and dropped from the database. 5) A ________ is an attribute whose value is unique across all occurrences of a relation. 6) A relation that contains no multivalued attributes is in _____ normal form. 7) __________is the conservation of inputs and outputs to a data flow diagram process when that process is decomposed to a lower level. 8) The ____ statement uses the attribute list to indicate what columns to project in the resulting set. 9) __________is the part of the design phase of the SDLC in which the logical specifications of the system from logical design are transformed into technology- specific details from which all programming and system construction can be accomplished. 10) An _______is a collection of entities that share common properties or characteristics. 11) ________refers to the number of entity types that participate in a relationship. 12) The ________specifies that an entity instance can simultaneously be a member of two (or more) subtypes.