Question d’entretien chez ABI
How do you remove duplicate values from a dataset in SQL or Python?
Réponse à la question d'entretien
Utilisateur anonyme
2 mars 2026
I explained that INNER JOIN returns only the matching records from both tables, while LEFT JOIN returns all records from the left table and only matching records from the right table. If there is no match, NULL values will appear for the right table columns.