On OTN Appreciation Day, let me say I like the Undo and Redo features of Oracle. I name them together as they work together.
Undo also supports MultiVersionReadConsistency -- a great advantage of Oracle.
Redo, with Archive Logging, also supports Online Backups -- an absolute necessity.
These features have been around for almost 30 years now.
Here are some Quick and Rough Notes on Undo and Redo .
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Undo also supports MultiVersionReadConsistency -- a great advantage of Oracle.
Redo, with Archive Logging, also supports Online Backups -- an absolute necessity.
These features have been around for almost 30 years now.
Here are some Quick and Rough Notes on Undo and Redo .
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.
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