Loads a list of existing oracle tables and their block size to a hash. Ask user for a table, lookup block from the hash, convert block to mb. 
#
use Win32::ODBC;
#
# Load a list of Existing Tables and their Block size to a Hash
#
#
$TableList = new Win32::ODBC("DSN=databasename; UID=yourlogonid; PWD=y
+ourpassword;");
$TableList->Sql("select TABLE_NAME, BLOCKS from USER_TABLES where tabl
+e_name like 'PS_%'");
while ( $TableList->FetchRow() )
{
    %hash= $TableList->DataHash();
    $tabnam = $hash{TABLE_NAME};
    $blocks = $hash{BLOCKS};
    
    $TabNam{$tabnam} = $tabnam;
    $Blocks{$tabnam} = $blocks;
    
    $errcd = $TableList->Error();
#    print "$tabnam", "\n", "$errcd";
};
$TableList->Close();
foreach $key (keys %TabNam) { print "given $key we get $Blocks{$key}\n
+"};
#
#
#
print "please enter table name\n";
$tabnam = <STDIN>;
chomp $tabnam;
#
#
$tnam        = $TabNam{$tabnam};                           #lookup _ta
+ble

if (!$tnam)
        {
    #table doesnt exist
    }
else    
    {
    #get table blocks
    $Blks = $Blocks{$tnam};
    $mbyte = (($Blks * 8192)/1048576);
    
    ($mb, $dummy) = split(/\./,(($mbyte)));
    if ($mb < 1) {$mb = 1;}
    
    print "TableName: $tnam  Blocks: $Blks  MB: $mb";
    }


#
#

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In reply to Oracle Hash by ccallahanwise

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