Search notes:
Oracle: Checkpoint SCN
All committed changes
before
a checkpoint SCN are guaranteed to be written to a
data file
.
Theferore, the
checkpoint SCN
locates the starting position in the
redo
stream that needs to be used for
instance recovery
.
Checkpoint SCNs are recorded in
data file headers
(see
data file checkpoint
) and
the
control file
See also
Checkpoint
is also the process that
CKPT
performs.
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