SQL Training: Rollup and Cube(OLAP/SSAS)
--Rollup select st.[Group],st.[Name],st. CountryRegionCode, sum(st.SalesYTD) current_year_sales, sum(st.SalesLastYear ) last_year_sales from AdventureWorks2012.Sales. SalesTerritory as st Group by st.[Group],st.[Name],st. CountryRegionCode with Rollup --cube select st.[Group],st.[Name],st. CountryRegionCode, sum(st.SalesYTD) current_year_sales, sum(st.SalesLastYear ) last_year_sales from AdventureWorks2012.Sales. SalesTerritory as st Group by st.[Group],st.[Name],st. CountryRegionCode with cube These two functions are comparable to OLAP transactions.