If your Oracle Commerce Platform sites include data in more than one language, there are two options for how to index this data in Guided Search:
Index each language in a separate MDEX
Index all of the languages in a single MDEX
This chapter discusses how to configure the Oracle Commerce Platform indexing components to support each option. It includes these sections:
There are also differences in how querying works, depending on which indexing option you choose. See the Query Integration chapter for information.