bonjour,

est ce qu'il y a des infos dans le forum concernant l'exploitation des statistiques des bases ?

Je m'interroge sur la "fill distribution". késako

voivi un extrait de stat générée avec IBexpert.

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Database "C:\interbase\client\CRM.FDB" 
Database header page information: 
        Flags                   0 
        Checksum                12345 
        Generation              174 
        Page size               4096 
        ODS version             11.0 
        Oldest transaction      165 
        Oldest active           166 
        Oldest snapshot         166 
        Next transaction        168 
        Bumped transaction      1 
        Sequence number         0 
        Next attachment ID      0 
        Implementation ID       16 
        Shadow count            0 
        Page buffers            0 
        Next header page        0 
        Database dialect        3 
        Creation date           Feb 15, 2010 8:24:20 
        Attributes              force write 
 
    Variable header data: 
        Sweep interval:         20000 
        *END* 
 
 
Database file sequence: 
File C:\interbase\client\CRM.FDB is the only file 
 
Analyzing database pages ... 
 
CLIENT (131) 
    Primary pointer page: 166, Index root page: 167 
    Average record length: 240.24, total records: 5703 
    Average version length: 0.00, total versions: 0, max versions: 0 
    Data pages: 406, data page slots: 406, average fill: 89% 
    Fill distribution: 
         0 - 19% = 1 
        20 - 39% = 0 
        40 - 59% = 0 
        60 - 79% = 0 
        80 - 99% = 405 
 
    Index CLIENT_IDX1 (1) 
        Depth: 2, leaf buckets: 23, nodes: 5703 
        Average data length: 10.75, total dup: 128, max dup: 9 
        Fill distribution: 
             0 - 19% = 0 
            20 - 39% = 1 
            40 - 59% = 0 
            60 - 79% = 0 
            80 - 99% = 22
merci