SELECT
sc.name +'.'+ ta.name TableName,
SUM(pa.rows) RowCnt
FROM sys.tables ta
INNER JOIN sys.partitions pa ON pa.OBJECT_ID = ta.OBJECT_ID
INNER JOIN sys.schemas sc ON ta.schema_id = sc.schema_id
WHERE ta.is_ms_shipped = 0 AND pa.index_id IN (1,0)
GROUP BY sc.name,ta.name
ORDER BY SUM(pa.rows) DESC