These guides change the structure of a database or add scenarios to it: aggregation, new extensions and sectors, shocks, and conversions between table formats.

I want to	Guide
Group regions, sectors or other sets with my own mapping	Aggregate a database
Prepare groups from NACE or CPA hierarchies	Aggregate by classification
Add environmental or other satellite accounts	Add extensions
Apply changes and compare scenarios	Apply shocks
Add or split productive sectors	Add and split sectors
Convert a SUT into an IOT	SUT to IOT
Extract one or several regions	MRIO to SRIO
Change the SUT trade representation	Isard to Chenery-Moses
Update electricity generation or trade shares	Update electricity mixes