t_first_appearance: 72
This data as json
| rowid | record_key | first_sequence | first_source_file | first_file_type | total_appearances | first_seen_seq | last_seen_seq |
|---|---|---|---|---|---|---|---|
| 72 | 0|7250C3547B|7250C3547B|7250C3547B | 2 | AbsenteeRegister_2514_122269.csv | absentee_register | 75 | 2 | 76 |