transacion_recovery.ppt_transacion_recovery.ppt fileorganization.ppt_fileorganization.ppt_ concurrency_control.ppt_concurrency_control.ppt 03-Chapter-15-Algorithms-for-Query-processing-Optimization(1).ppt 3NF_DATABASE_MANAGEMENT_SYSTEM_3NF_DATABASE_MANAGEMENT_SYSTEM relationalalgebra.ppt_relationalalgebra.ppt_relationalalgebra.ppt 
