本站中文解释
Oracle视图REDACTION_COLUMNS用于列出模式中包含哪些列映射为哪种红加密函数。使用此视图是跟踪在应用程序管理中使用的哪些函数，以及它们被应用到哪些列上的最简单方式。
REDACTION_COLUMNS视图包含以下列：
SCHEMA: 模式的名称
TABLE_NAME: 表的名称
COLUMN_NAME: 列的名称
REDACTION_FUNCTION: 列映射的红加函数
REDACTION_PARAMETERS: 列映射的红加函数的参数
使用此视图的方法是：
SELECT * FROM redaction_columns;
这将返回模式中的所有列映射的红加函数，以及它们的参数。
官方英文解释
REDACTION_COLUMNS describes all redacted columns in the database, giving the owner of the table or view within which the column resides, the object name, the column name, the type of redaction function, the parameters to the redaction function (if any), and an optional description of the redaction policy.
| Column | Datatype | NULL | Description |
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Owner of the object that is redacted |
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Name of the object that is redacted |
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Name of the column that is redacted |
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Redaction function for this column |
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Redaction function_parameters for this column |
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Regular expression pattern to search for |
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Replacement string (up to 4000 characters in length) with up to 500 back-references to subexpressions in the form |
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Integer counting from 1, giving the position where the search should begin |
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Either |
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To change the default matching behavior, possible values are a combination of |
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User-provided description of the redaction function that is performed on the column. For example, for a Social Security Number column, the description might be: “redact SSN to XXX-XX-(last 4 digits)”. |
See Also:
Oracle Database Advanced
Security Guide for more information about Oracle Data Redaction
