Generación dinámica de SELECTs de conteo de registros de todas las tablas de la base de datos a la que se está conectado.
SELECT CASE WHEN NROW = 1 THEN '' ELSE ' union ' END + XSQL AS XSQL FROM ( SELECT ROW_NUMBER() OVER(ORDER BY a.name, b.name ASC) AS NROW, 'select ''' + b.name + ''' as TABLE_SCHEMA, ''' + a.name + ''' as TABLE_NAME, count(*) as NROWS' + ' from [' + b.name + '].[' + a.name + ']' AS XSQL FROM sys.objects a inner join sys.schemas b ON b.schema_id = a.schema_id WHERE a.TYPE = 'u' ) AS x