How to fetch the row count for all tables in a SQL SERVER database

USE  [enter your db name here]

GO

SELECT      SCHEMA_NAME(A.schema_id) + '.' +  A.Name, SUM(B.rows) AS 'RowCount'

FROM        sys.objects A

INNER JOIN sys.partitions B ON A.object_id = B.object_id

WHERE       A.type = 'U'

GROUP BY    A.schema_id, A.Name

GO

----------------------------

SELECT t.name AS table_name,
SCHEMA_NAME(schema_id) AS schema_name,
c.name AS column_name
FROM sys.tables AS t
INNER JOIN sys.columns c ON t.OBJECT_ID = c.OBJECT_ID
WHERE c.name LIKE '%MainAssetId%'
ORDER BY schema_name, table_name;

https://blog.sqlauthority.com/2008/08/06/sql-server-query-to-find-column-from-all-tables-of-database/