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The last step in the process is to validate the size of some key tables, using the following details.

Database Name

sys.tables, sys.indexes, sys.partitions, sys.allocation

Query

SELECT

t.NAME AS TableName,

i.name as indexName,

sum(p.rows) as RowCounts,

sum(a.total_pages) as TotalPages,

sum(a.used_pages) as UsedPages,

sum(a.data_pages) as DataPages,

(sum(a.total_pages) * 8) / 1024 as TotalSpaceMB,

(sum(a.used_pages) * 8) / 1024 as UsedSpaceMB,

(sum(a.data_pages) * 8) / 1024 as DataSpaceMB

FROM

sys.tables t

INNER JOIN

sys.indexes i ON t.OBJECT_ID = i.object_id

INNER JOIN

sys.partitions p ON i.object_id = p.OBJECT_ID AND i.index_id = p.index_id

INNER JOIN

sys.allocation_units a ON p.partition_id = a.container_id

WHERE

t.NAME NOT LIKE 'dt%' AND

i.OBJECT_ID > 255 AND

i.index_id <= 1

GROUP BY

t.NAME, i.object_id, i.index_id, i.name

ORDER BY

sum(p.rows) DESC

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