2 Mayıs 2014 Cuma

SQL SERVER INDEX SIZE AND USAGE

 

SELECT object_name(i.object_id) as table_name

,COALESCE(i.name, space(0)) as index_name

,ps.partition_number

,ps.row_count

,Cast((ps.reserved_page_count * 8)/1024. as decimal(12,2)) as size_in_mb

,COALESCE(ius.user_seeks,0) as user_seeks

,COALESCE(ius.user_scans,0) as user_scans

,COALESCE(ius.user_lookups,0) as user_lookups

,i.type_desc

FROM sys.all_objects t

INNER JOIN sys.indexes i ON t.object_id = i.object_id

INNER JOIN sys.dm_db_partition_stats ps ON i.object_id = ps.object_id AND i.index_id = ps.index_id

LEFT OUTER JOIN sys.dm_db_index_usage_stats ius ON ius.database_id = db_id() AND i.object_id = ius.object_id AND i.index_id = ius.index_id

ORDER BY object_name(i.object_id), i.name

 

30 Nisan 2014 Çarşamba

table and index storage size

with pages as (

    SELECT object_id, SUM (reserved_page_count) as reserved_pages, SUM (used_page_count) as used_pages,

            SUM (case

                    when (index_id < 2) then (in_row_data_page_count + lob_used_page_count + row_overflow_used_page_count)

                    else lob_used_page_count + row_overflow_used_page_count

                 end) as pages

    FROM sys.dm_db_partition_stats

    group by object_id

), extra as (

    SELECT p.object_id, sum(reserved_page_count) as reserved_pages, sum(used_page_count) as used_pages

    FROM sys.dm_db_partition_stats p, sys.internal_tables it

    WHERE it.internal_type IN (202,204,211,212,213,214,215,216) AND p.object_id = it.object_id

    group by p.object_id

)

SELECT object_schema_name(p.object_id) + '.' + object_name(p.object_id) as TableName, (p.reserved_pages + isnull(e.reserved_pages, 0)) * 8 as reserved_kb,

        pages * 8 as data_kb,

        (CASE WHEN p.used_pages + isnull(e.used_pages, 0) > pages THEN (p.used_pages + isnull(e.used_pages, 0) - pages) ELSE 0 END) * 8 as index_kb,

        (CASE WHEN p.reserved_pages + isnull(e.reserved_pages, 0) > p.used_pages + isnull(e.used_pages, 0) THEN (p.reserved_pages + isnull(e.reserved_pages, 0) - p.used_pages + isnull(e.used_pages, 0)) else 0 end) * 8 as unused_kb

from pages p

left outer join extra e on p.object_id = e.object_id

ORDER BY index_kb DESC

16 Şubat 2014 Pazar

Converting MySQL data to XML

$xmlDom = new DOMDocument();
$xmlDom->appendChild($xmlDom->createElement('results'));
$xmlRoot = $xmlDom->documentElement;

while ( $row = mysql_fetch_row($result) )
{
$xmlRowElementNode = $xmlDom->createElement('row');

$i=0;
for($i=0;$i<mysql_num_fields($result);$i++)
{
$xmlRowElement = $xmlDom->createElement(mysql_field_name($result,$i));
$xmlText = $xmlDom->createTextNode($row[$i]);
$xmlRowElement->appendChild($xmlText);

$xmlRowElementNode->appendChild($xmlRowElement);
}

$xmlRoot->appendChild($xmlRowElementNode);
}


header('Content-type: text/xml');
echo $xmlDom->saveXML();








<results>
<row1>
<fieldname1>value</fieldname1>
<fieldname2>value</fieldname2>
<fieldname3>value</fieldname3>
<fieldname4...>value</fieldname4...>
</row1>
<row2>
<fieldname1>value</fieldname1>
<fieldname2>value</fieldname2>
<fieldname3>value</fieldname3>
<fieldname4...>value</fieldname4...>
</row2>
<row3...>
<fieldname1>value</fieldname1>
<fieldname2>value</fieldname2>
<fieldname3>value</fieldname3>
<fieldname4...>value</fieldname4...>
</row3...>
</results>