U55018 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:
T89019 manifest for SAS Digital Marketing Server Components 6.4
U61018 manifest for SAS Digital Marketing Studio 6.4
U30019 manifest for SAS Digital Marketing Web Studio and Web Reporting Infrastructure 6.4
U62018 manifest for SAS Digital Marketing Logical Types 6.4
U63018 manifest for SAS Digital Marketing Extensions for SAS Customer Intelligence Studio 6.4
T91002 manifest for SAS Customer Intelligence Common Public Type Metadata 6.4
U56020 manifest for SAS Customer Intelligence Common Logical Types 6.4
T92021 manifest for SAS Customer Intelligence Studio 6.4
T93003 manifest for SAS Customer Intelligence Common Server 6.4