DBA_STREAMS_KEEP_COLUMNS

DBA_STREAMS_KEEP_COLUMNS displays information about declarative rule-based transformations that keep a list of columns in a row logical change record (LCR).

Column	Datatype	Description
`RULE_OWNER`	`VARCHAR2(128)`	Owner of the rule which has an associated transformation
`RULE_NAME`	`VARCHAR2(128)`	Name of the rule which has an associated transformation
`SCHEMA_NAME`	`VARCHAR2(128)`	Schema of the column to be kept
`TABLE_NAME`	`VARCHAR2(128)`	Table of the column to be kept
`COLUMN_NAME`	`VARCHAR2(4000)`	Column to keep
`VALUE_TYPE`	`VARCHAR2(3)`	Indicates whether to keep the old (`OLD`), new (`NEW`), or both (`*`) value of the LCR
`PRECEDENCE`	`NUMBER`	`0` (the execution order relative to other transformations on the same `STEP_NUMBER`; the smaller number will be executed first)
`STEP_NUMBER`	`NUMBER`	Order in which this transformation should be executed