PCT Free & PCT Used

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{\*\generator Msftedit 5.41.21.2509;}\viewkind4\uc1\pard\li720\lang1033\b\f0\fs22 PCT Free: \b0 This parameter tells oracle how much space to leave in each oracle block for future updates. This defaults to 10. If table will have large number of updates, a larger value is needed. If the table will be static, small value can be used.\par
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\b PCT Used:\b0 This parameter tells oracle the minimum level of space in a block to maintain. Default is 40. A block becomes a candidate for updates if its storage falls below PCTUSED. PCTUSED + PCTFREE should not exceed 100. A high PCTUSED value results in more efficient space utilization but higher overhead, as oracle must work harder to maintain the free block list.\par
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