Multiversion Query Locking

Summary: Multiversion Query Locking (MVQL) relaxes query-consistency relative to MV2PL to cut versioning cost while maintaining transaction-consistent views. A study shows MVQL outperforms MV2PL on query/update throughput and storage, with worst-case near MV2PL. (summarized by gpt-5-nano on Feb 09 2026)

Paper ID: h1c91e83ca92b4a60
Venue: VLDB
Year: 1992
Pagerank: 7.1481477e-05
Overall Rank: 3,635 | 75.57%
DOI: -

Incoming Non-self Citations Over Time

Authors

1. Paul M. Bober (University of Wisconsin)
2. Michael J. Carey (University of Wisconsin)

BibTeX Citation

@article{bober_vldb92,
        title = {{Multiversion Query Locking}},
        author = {Bober, Paul M. and Carey, Michael J.},
        journal = {PVLDB},
        series = {{VLDB} '92},
        pages = {497},
        year = {1992}
}

Incoming Citations (Sorted by Pagerank)

Showing 3 of 3 citing papers.

Rank	Citing Paper	Year	Venue	Pagerank
170	High-Performance Concurrency Control Mechanisms for Main-Memory Databases	2012	VLDB	0.0002705961
1,753	On-Line Warehouse View Maintenance	1997	SIGMOD	9.7248839e-05
9,268	Efficient Concurrency Control for Broadcast Environments	1999	SIGMOD	5.2056825e-05

Outgoing Citations (Sorted by Pagerank)

Showing 4 of 4 cited papers.

Citations counted here include only citations to other VLDB/SIGMOD/CIDR/PODS papers in this database.

Rank	Cited Paper	Year	Venue	Pagerank
528	On Concurrency Control by Multiple Versions	1982	PODS	0.00016873875
660	The Implementation of An Integrated Concurrency Control and Recovery Scheme	1982	SIGMOD	0.00015008043
2,052	Efficient and Flexible Methods for Transient Versioning of Records to Avoid Locking by Read-Only Transactions	1992	SIGMOD	9.1199209e-05
6,649	Algorithmic Aspects of Multiversion Concurrency Control	1985	PODS	5.7214789e-05

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