SELECT
OBJECT_NAME(ps.object_id) AS TableName,
SUM(ps.used_page_count) * 8 AS TableSizeKB,
SUM(ps.used_page_count) * 8 / 1024 / 1024 AS TableSizeGB,
SUM(ps.used_page_count) * 8 / 1024 AS TableSizeMB,
SUM(CASE WHEN i.index_id <= 1 THEN ps.used_page_count ELSE 0 END) * 8 AS DataSizeKB,
SUM(CASE WHEN i.index_id <= 1 THEN ps.used_page_count ELSE 0 END) * 8 / 1024 AS DataSizeMB,
SUM(CASE WHEN i.index_id <= 1 THEN ps.used_page_count ELSE 0 END) * 8 / 1024 / 1024 AS DataSizeGB,
SUM(CASE WHEN i.index_id > 1 THEN ps.used_page_count ELSE 0 END) * 8 AS IndexSizeKB,
SUM(CASE WHEN i.index_id > 1 THEN ps.used_page_count ELSE 0 END) * 8 / 1024 AS IndexSizeMB,
SUM(CASE WHEN i.index_id > 1 THEN ps.used_page_count ELSE 0 END) * 8 / 1024 / 1024 AS IndexSizeGB
FROM
sys.dm_db_partition_stats ps
INNER JOIN
sys.indexes i ON ps.object_id = i.object_id AND ps.index_id = i.index_id
WHERE
OBJECTPROPERTY(ps.object_id,'IsUserTable') = 1
AND OBJECT_NAME(ps.object_id) = 'NazevTabule'
GROUP BY
ps.object_id
ORDER BY
SUM(ps.used_page_count) DESC;