Please run the following query to know that
WITH
LastTableAccess ([object_id], readDate, writeDate) AS(
SELECT [object_id],last_user_seek,NULL FROM sys.dm_db_index_usage_stats WHERE database_id = DB_ID()
UNION ALL
SELECT [object_id],last_user_scan,NULL FROM sys.dm_db_index_usage_stats WHERE database_id = DB_ID()
UNION ALL
SELECT [object_id],last_user_lookup,NULL FROM sys.dm_db_index_usage_stats WHERE database_id = DB_ID()
UNION ALL
SELECT [object_id],last_user_lookup,last_user_update FROM sys.dm_db_index_usage_stats WHERE database_id = DB_ID()
)
SELECT
s.name AS SchemaName,st.name AS TableName,MAX(readDate) AS LastRead,MAX(writeDate) AS LastWriteFROM sys.tables AS st
INNER JOIN sys.schemas AS s ON s.[schema_id] = st.[schema_id]
LEFT JOIN LastTableAccess AS ta ON ta.[object_id] = st.[object_id]
GROUP
BY st.name,s.name