by Mohamed El Desouki – محمد الدسوقى [email protected] Tel :00966 553450836 جامعة سلمان بن عبد العزيز – السعودية – الخرج Transaction Processing Concepts and Theory in Arabic Text Book: Fundamentals of Database Systems, 5th,6th Edition, by Elmasri/Navathe, published by Addison-W Chapter 21, Chapter 17 Transaction processing Transactions Concurrency control recoverable schedule cascade rollback cascadeless shcedule strict schedules serializability serialaizable schedule conflict serializable precedence graph