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VLDB
1997
ACM

Using Versions in Update Transactions: Application to Integrity Checking

12 years 5 days ago
Using Versions in Update Transactions: Application to Integrity Checking
This paper proposes an extension of the multiversion two phase locking protocol, called EMVZPL, which enables update transactions to use versions while guaranteeing the serializability of all transactions. The use of the protocol is restricted to transactions, called write-then-read transactions that consist of two consecutive parts: a write part containing both read and write operations in some arbitrary order, and an abusively called read part, containing read operations or write operations on data items already locked in the write part of the transaction. With EMVZPL, read operations in the read part use versions and read locks acquired in the write part can be released just before entering the read part. We prove the correctness of our protocol, and show that its implementation requires very few changes to classical implementations of MVZPL. After presenting various methods used by application developers to implement integrity checking, we show how EMV2PL can be effectively used t...
François Llirbat, Eric Simon, Dimitri Tombr
Added 08 Aug 2010
Updated 08 Aug 2010
Type Conference
Year 1997
Where VLDB
Authors François Llirbat, Eric Simon, Dimitri Tombroff
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