It’s good practice to add a creation time to every record in your database which marks the time and date when the record was created. This is ridiculously easy since it’s a feature of MSSQL.
DATETIME2() type and
Now, automatically, every time a record is created the creation time is automatically populated in the database.
There isn’t such a function for modified time. That would have to be done programmatically in whatever program is used to populate the database.