I mainly write this post for novices who need to begin with Business Intelligence and to be aware of the most Business Intelligence keywords thus they could read any Business Intelligence article without any problem.
Business Intelligence: The art of extracting right information in timely manner to right person from raw data, it doesn’t depend on specific technology but very wide of technologies depend on; like Data Mining. It makes the organization realize its resources, potential and give the Big Image* to the status of its goals.
Operational Business Intelligence: Business Intelligence Systems build on the same Business Intelligence process ETL, Analysis then Reporting but they don’t care about KPIs and Measures more than data listing.
Tactical Business Intelligence: Business Intelligence Systems build on the same Business Intelligence process ETL, Analysis then Reporting beside they give a wide solutions to tactical managers who can use them to get the most of KPIs (Profit in dollars, number of CRM tickets, etc) to take their organization step towards its goals.
Strategic Business Intelligence: Business Intelligence Systems build on the same Business Intelligence process ETL, Analysis then Reporting it helps the top management get the status -very brief status- of the organizations and its step towards its goals.
Measure\Fact: What’s the organization looks for, profit in currency, revenue, number of user come to website, number of CRM tickets, etc…
Dimension: How the Measure\Fact measured per, means profit in currency (Measure\Fact) can be measured per time, sales region, sales person, product type, etc.. so we call time, sales region, sales person, product type dimensions. Simply everything you can group by…
Hierarchy dimension: Dimension has self-relationship like time dimension we may see Year, Quarter, Month, Week, Day and may be more deep details. Simply everything with more than one level (deparment employee).