SQL
Examen de Plata
Sixteen questions across the whole course: reading real queries, predicting their output, spotting the classic bugs and picking the right tool for the job. Expect NULL, joins, grouping, transactions and window functions.
- 16 preguntas
- 20 minutos
- Nota mínima 80 %
- Al menos 6 tareas prácticas
Temas Filtering and NULLAggregationJoinsChanging dataTables and constraintsSubqueries, CTEs and windows
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