Concurrency control and recovery in database systems
Concurrency control and recovery in database systems
Quasi serializability: a correctness criterion for global concurrency control in InterBase
VLDB '89 Proceedings of the 15th international conference on Very large data bases
Reliable transaction management in a multidatabase system
SIGMOD '90 Proceedings of the 1990 ACM SIGMOD international conference on Management of data
Non-serializable executions in heterogeneous distributed database systems
PDIS '91 Proceedings of the first international conference on Parallel and distributed information systems
Using Tickets to Enforce the Serializability of Multidatabase Transactions
IEEE Transactions on Knowledge and Data Engineering
Global Committability in Multidatabase Systems
IEEE Transactions on Knowledge and Data Engineering
Maintaining Quasi Serializability in Multidatabase Systems
Proceedings of the Seventh International Conference on Data Engineering
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Many researches in managing global transactions in multidatabase systems(MDBS) have been proposed to solve problems of ensuring the global serializability. In these method, a few opportunities are provided to the global transaction to execute concurrently. We concentrate our attention on 1) maintaining consistent database state that is defined by global integrity constraints and 2) investigation into the more accurate indirect conflict situation so that the global transaction manager(GTM) of MDBS provides the higher degree of concurrency. In this paper, we propose a site-locking concurrency control method in MDBS. In our method the more global transaction can be concurrently executed, since the refined boundary of possibility of indirect conflict is offered.