When you ask the database more complex questions using comparison operators, you are conducting a sort questionnaire query search?

hi,

know what your user needs,

know what your competitors are doing,

go cheap, test cheap prototypes,

go through multiple iterations of the product,

set goals,

pre market your product,

scalable supply chain,

start telling everyone!

hope this !

answer; ///i believe that the correct answer is (c) along a 180-degree check first good luck