ReferenceIncidentsEra 4 · Series BReport kills the databaseA quarter-end report scanned every table on the primary. Every kind slowed.What happens#A quarter-end report scanned every table on the primary. Every kind slowed.How to prevent it#A Data Warehouse takes the scans off the primary.The postmortem opens the first of these that you do not own yet:Data warehousingEngineering terms#CDC (change data capture)OLTP and OLAP