pete91z's blog

ORA_ROWSCN for capturing row level changes

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I've been working on way to capture changed rows using ora_rowscn for part of an ETL routine. Here are some details of what I've tested and found.

By default, the ora_rowscn pseudo column reports the scn at block level. This means that rows sharing the same block will have the same ora_rowscn, and if one row were to be changed, then scn would be altered for both blocks.

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