| Physical_Attributes_Clause |
[INITRANS integer] [MAXTRANS integer] [PCTFREE integer] [PCTUSED integer] |
Specifies schema object characteristics affecting the utilization of space in an Oracle block.
Keywords
INITTRANS
Specifies the number of transaction entries allocated to each block of the object. The allowed range of values is 1 to 255, and should not normally be changed from the default of 2.
MAXTRANS
Specifies the maximum number of concurrent transactions that can update a block of the object. Values are 1 to 255, and should not normally be changed from the default. The default is a function of the Oracle block size.
PCTFREE
Specifies the percentage of space in each data block kept free for future updates to the object. The permissible range of values is 0 to 99. The default value is 10.
PCTUSED
Specifies the percentage of space in each data block that Oracle attempts to keep filled. The permissible range of values is 0 to 99, and the default is 40.
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