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SQL

银牌考试

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 道题
  • 20 分钟
  • 及格线 80%
  • 至少 6 道实操题
考查范围 Filtering and NULLAggregationJoinsChanging dataTables and constraintsSubqueries, CTEs and windows

计时无法暂停，中途离开也会算作一次作答。