the.com/data warehousing
where messy business data goes to get its story straight before anyone believes it.
means the practice of collecting data from many source systems and storing it centrally, structured for fast analysis rather than daily transactions.
from coined in the 1980s by IBM researchers Barry Devlin and Paul Murphy, then popularized by Bill Inmon, who framed it as a subject-oriented archive for decision-making rather than day-to-day operations.
inmon vs kimballtwo rival gurus, two opposite design philosophies, decades of debate
star schemakimball's fact tables surrounded by descriptive dimension tables
etl originextract transform load predates the term warehouse itself
cloud shiftwarehouses now live on servers you never see or own