| 摘要 |
A method and system for storing and retrieving a packaging hierarchy (305) of traceable physical items (350), comprising; - at an item marking location (300), marking (3) physical items (350) to be packaged in the packaging hierarchy (305), with a unique code (200) with a first and second identifier (201, 202), - transferring packaging relationships (303) between the codes (200) to a track and trace system (100), - identifying (6) for each code (200) in the packaging relationships (303), hierarchical code relations (304) expressed as parent and/or child codes (200), - for each the code (200), storing (7) the hierarchical code relations (304) in a section (111) of a data storage location (110) of the first computer system (100), wherein a start position (112) of the section (111) is determined by a combination of the first and second identifiers (201, 202) of the code (200). |
