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%c
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Specifies the copy number of the backup piece within a set of
duplexed backup pieces. If you did not duplex a backup, then this variable is 1
for backup sets and 0 for proxy copies. If one of these commands is enabled,
then the variable shows the copy number. The maximum value for %c is 256.
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%d
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Specifies the name of the database (without padding). See also
%n.
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%D
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Specifies the current day of the month from the Gregorian
calendar in format DD.
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%F
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Combines the DBID, day, month, year, and sequence into a unique
and repeatable generated name.
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%M
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Specifies the month in the Gregorian calendar in format MM.
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%n
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Specifies the name of the database, padded on the right with x
characters to a total length of eight characters. For example, if orcl is the
database name, then the padded name is orclxxxx.
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%p
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Specifies the piece number within the backup set. This value
starts at 1 for each backup set and is incremented by 1 as each backup piece is
created. Note: If you specify PROXY, then the %p variable must be included in
the FORMAT string either explicitly or implicitly within %U.
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%s
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Specifies the backup set number. This number is a counter in
the control file that is incremented for each backup set. The counter value
starts at 1 and is unique for the lifetime of the control file. If you restore
a backup control file, then duplicate values can result. Also, CREATE
CONTROLFILE initializes the counter back to 1.
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%t
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Specifies the backup set time stamp, which is a 4-byte value
derived as the number of seconds elapsed since a fixed reference time. The
combination of %s and %t can be used to form a unique name for the backup set.
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%T
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Specifies the year, month, and day in the Gregorian calendar in
this format: YYYYMMDD.
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%u
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Specifies an 8-character name constituted by compressed
representations of the backup set number and the time the backup set was
created.
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%U
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Specifies a convenient shorthand for %u_%p_%c that guarantees
uniqueness in generated backup filenames. If you do not specify a format, then
RMAN uses %U by default.
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%Y
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Specifies the year in this format: YYYY.
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%%
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Used to represent the '%' character, for example '%%U' would
equate to '%U'.
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