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Case Base
MiningMart
Case
ModelCaseTelecom
Chain
HandleCallsData

Step: MaterializeData

Name MaterializeData
Belongs to Case ModelCaseTelecom
Uses Operator Materialize
Belongs to Chain HandleCallsData
Concepts of resulting Data Model InputCustomers
InputRevenues
CalldetailsIntermediate
Has Parameters TableName
TheInputConcept
TheOutputConcept

M4 Documentation:

The data set produced so far in this chain will be used as input for several steps, so it makes sense to materialise the data set in the database to speed up further processing.