If you have accidently deleted data from database tables in MS SQL Server, you can restore the deleted data (tables) using Log Sequence Number (LSN). But for this, you need the transaction backup file ...

As in other PROC and DATA steps, you can use only a view descriptor or other SAS data set in an SQL procedure statement, not an access descriptor. You can usually only browse data retrieved using a ...

To update DBF data, you can specify view descriptors in the SQL procedure's INSERT, DELETE, and UPDATE statements. You can also use these statements to modify SAS data files.