Data management solves the "where to keep it in the warehouse of information" problem.
Managing information on the world wide web is a very wide topic. Data management is defined by DAMA DMBOK as " the development, execution and supervision of plans, policies, programs and practices that control, protect, deliver and enhance the value of data information assets. "
DAMA is an acronym for Data Management Association.
DMBOK is an acronym for Data Management Body of Knowledge.
See more on data analysis software.