如何在 Oracle 中检查列是虚拟的？
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时间：2020-09-19 00:26:10 来源:igfitidea点击:
How to check column is virtual in Oracle?
提问by Alex Yeung
How to check if a column is virtual in Oracle?
如何在 Oracle 中检查列是否是虚拟的？
回答by Justin Cave
You can use the VIRTUAL_COLUMNcolumn of USER_TAB_COLS(or ALL_TAB_COLSor DBA_TAB_COLSdepending on what privileges you have and what user owns the table in question.
您可以使用VIRTUAL_COLUMN的列USER_TAB_COLS（或ALL_TAB_COLS或DBA_TAB_COLS取决于你所拥有的权限，哪些用户拥有问题的表。
SELECT virtual_column
FROM all_tab_cols
WHERE owner = <<owner of the table>>
AND table_name = <<name of table>>
AND column_name = <<name of column>>
