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我有一个表,它有一个包含 3 列的索引。其中一列是 NSL_UPPER("CODE")。当我从 ALL_IND_COLUMNS 或 DBA_IND_COLUMNS 中选择索引列时,它会为 NSL_UPPER(“CODE”)返回“SYS_NC00101$”。如何到达名为 NSL_UPPER("CODE") 的索引列?
看看 ALL_IND_EXPRESSIONS 而不是 ALL_IND_COLUMNS 基于函数的索引是基于表达式而不是列