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Astuce : utilisez Exercices pour suivre vos tentatives, vos bonnes réponses et vos questions manquées.
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sql
SQL
SQL courses focused on querying, reporting, data modeling, and practical database thinking.
Choosing a course here enrolls the user automatically.
sql-v2
active
SQL Foundations
A beginner-friendly SQL Foundations course that teaches learners how databases store information, how to read tables, and how to write safe SELECT queries for filtering, sorting, text matching, ranges, and missing values.
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