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SQL

Silver exam

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 questions
  • 20 minutes
  • Pass mark 80%
  • At least 6 hands-on tasks
Covers Filtering and NULLAggregationJoinsChanging dataTables and constraintsSubqueries, CTEs and windows

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