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lines changed Original file line number Diff line number Diff line change 1- Translation initialization: 2025-08-08T08:55:14.760013
1+ Translation initialization: 2025-08-11T07:40:38.341999
Original file line number Diff line number Diff line change @@ -5,19 +5,15 @@ import EEFeature from '@site/src/components/EEFeature';
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66<EEFeature featureName =' VIRTUAL COLUMN ' />
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8- 本页全面概述了 Databend 中的虚拟列操作,按功能组织以便参考 。
8+ 本页面全面概述了 Databend 中的虚拟列(Virtual Column)操作,并按功能进行组织,方便参考 。
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10- ## 虚拟列管理
10+ ## 虚拟列(Virtual Column)管理
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1212| 命令 | 描述 |
1313| ---------| -------------|
14- | [ REFRESH VIRTUAL COLUMN] ( refresh-virtual-column.md ) | 使用最新数据更新虚拟列 |
15- | [ SHOW VIRTUAL COLUMNS] ( show-virtual-columns.md ) | 列出表中的所有虚拟列 |
14+ | [ REFRESH VIRTUAL COLUMN] ( refresh-virtual-column.md ) | 使用最新数据更新虚拟列(Virtual Column) |
15+ | [ SHOW VIRTUAL COLUMNS] ( show-virtual-columns.md ) | 列出表中的所有虚拟列(Virtual Column) |
1616
1717## 相关主题
1818
19- - [ 虚拟列] ( /guides/performance/virtual-column )
20-
21- ::: note
22- Databend 中的虚拟列是从表中其他列计算得出的派生列。它们不物理存储,而是在查询执行期间按需计算。
23- :::
19+ - [ 虚拟列(Virtual Column)性能] ( /guides/performance/virtual-column )
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