The documentation portal is undergoing maintenance. During this period, you can't create any new user credentials. If you do, you'll need to recreate the user credential after the maintenance period ends.
Metadata Manager uses a preliminary process to restructure the source metadata into a format required by the mappings within each PowerCenter workflow. The method used to restructure the metadata can vary. For example, if the source repository is a database repository, Metadata Manager uses database views to restructure the metadata into the required IME format.
Metadata Manager uses PowerExchange® to access metadata in an IBM DB2 for z/OS subsystem.