System and methods manage concurrent ETL processes accessing a database. Exemplary embodiments include a method for concurrency management for ETL processes in a database having database tables and communicatively coupled to a computer, the method including establishing a session lock for the database, determining that a current ETL process is accessing the database at a current time, associating a current expiration time with the session lock, the expiration time being stored in a lock table in the database, sending the session lock to the current ETL process and performing ETL-level locking for the current ETL process.