D81019 is a "container" hot fix that contains "member" hot fixes which will update your SAS software components.
See "What is a container hot fix?" in the SAS Hot Fix FAQ for more information on container and member hot fixes.
A manifest listing the contents of each of the following "member" hot fixes is available:
D86012 manifest for SAS Merchandise Intelligence Client 4.2_M2
D83013 manifest for SAS Merchandise Intelligence Mid-Tier 4.2_M2
D85012 manifest for SAS Merchandise Intelligence Plug-in for SAS Management Console 4.2_M2
D82017 manifest for SAS Merchandise Intelligence Server 4.2_M1
D84012 manifest for SAS Merchandise Solutions Configuration Workbench 4.2_M2
E28006 manifest for SAS Pack Optimization Server 2.2_M1
D87007 manifest for SAS Promotion Optimization 4.2_M1
E62007 manifest for SAS Regular Price Optimization 4.2_M1
D88004 manifest for SAS Size Profiling 2.2_M1