HDR replicates data in dbspaces and sbspaces. HDR does not replicate data in blobspaces.
HDR replicates all built-in and extended data types. User-defined types (UDTs) must be logged and reside in a single database server. Data types with out-of-row data are replicated if the data is stored in an sbspace or in a different table on the same database server. For data stored in an sbspace to be replicated, the sbspace must be logged.
HDR does not replicate data stored in operating system files or persistent external files or memory objects associated with user-defined routines.
User-defined types, user-defined routines, and DataBlade modules have special installation and registration requirements. For instructions, see How Data Initially Replicates.
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