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Daugherty Business Solutions

Désormais appelé CGI

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Question d’entretien chez Daugherty Business Solutions

Basic SQL statements. Python/R/SQL unique values, 1st letter of a column

Réponse à la question d'entretien

Utilisateur anonyme

27 nov. 2018

Know you WHERE, GROUPBY, ORDERBY, LEFT, and RIGHT statements. Pretty easy if you've cleaned data before.