impremap ::= [ REMAP_DATA = [[schema.]table.column : [schema.]pkg.function] [,...] | REMAP_DATAFILE = source_datafile:target_datafile [,...] | REMAP_SCHEMA = source_schema:target_schema [,...] | REMAP_TABLE = [schema_name.]old_table_name[:partition]:new_table_name [,...] | REMAP_TABLESPACE = source_tablespace:target_tablespace [,...]