What is the role of PCTFREE parameter is Storage clause ?
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Answer Posted / ankur aggarwal
A oracle block divided into three parts.
block header,pctfree,pctused.
block header :its contain the information datafiles.
pctfree: its a free space in a datablock for updation and
insertion of a row.default is 10% of a block size.one more
thing it's default value is depand of OS also.
pctused : its a space where data are store in a block.its
default value is 40% of a block size.
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