unpivot

English

Etymology

un- +‎ pivot

Verb

unpivot (third-person singular simple present unpivots, present participle unpivoting, simple past and past participle unpivoted)

(transitive, computing, databases) To convert columns into rows, so as to undo a pivot operation.
- 2005, Rick Dobson, Beginning SQL Server 2005 Express Database Applications (page 243)
  Unpivoting a cross tab reconstructs a table in a relational format from a cross-tab data source.

单词	unpivot
释义	unpivot English Etymology un- +‎ pivot Verb unpivot (third-person singular simple present unpivots, present participle unpivoting, simple past and past participle unpivoted) (transitive, computing, databases) To convert columns into rows, so as to undo a pivot operation. 2005, Rick Dobson, Beginning SQL Server 2005 Express Database Applications (page 243) Unpivoting a cross tab reconstructs a table in a relational format from a cross-tab data source.
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