TardisDB: Extending SQL to Support Versioning

Summary: Proposes TardisDB, the first DB system with integrated multirelation data versioning and branch-aware querying. Features an extended table scan with a branch bitmap plus version chains, enabling cross-branch create/query/modify and branch lineage visualization. (summarized by gpt-5-nano on Feb 09 2026)

Paper ID: 6111
Venue: SIGMOD
Year: 2021
Pagerank: 5.5354526e-05
Overall Rank: 7,835 | 46.25%
DOI: 10.1145/3448016.3452767

Incoming Non-self Citations Over Time

Authors

1. Maximilian E. Schüle (Technical University of Munich)
2. Josef Schmeißer (Technical University of Munich)
3. Thomas Blum (Technical University of Munich)
4. Alfons Kemper (Technical University of Munich)
5. Thomas Neumann (Technical University of Munich)

BibTeX Citation

@inproceedings{schule_sigmod21,
        title = {{TardisDB: Extending SQL to Support Versioning}},
        author = {Schüle, Maximilian E. and Schmeißer, Josef and Blum, Thomas and Kemper, Alfons and Neumann, Thomas},
        series = {{SIGMOD} '21},
        booktitle = {Proceedings of the {ACM} {SIGMOD} International Conference on Management of Data},
        publisher = {Association for Computing Machinery},
        doi = {10.1145/3448016.3452767},
        url = {https://dl.acm.org/doi/10.1145/3448016.3452767},
        year = {2021}
}

Incoming Citations (Sorted by Pagerank)

Showing 3 of 3 citing papers.

Rank	Citing Paper	Year	Venue	Pagerank
4,990	Explaining Dataset Changes for Semantic Data Versioning with Explain-Da-V	2023	VLDB	6.4105738e-05
9,947	Optimizing Time Series Queries with Versions	2024	SIGMOD	5.1915905e-05
10,632	Generic Version Control: Configurable Versioning for Application-Specific Requirements	2025	CIDR	5.093636e-05

Outgoing Citations (Sorted by Pagerank)

Showing 5 of 5 cited papers.

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

Rank	Cited Paper	Year	Venue	Pagerank
23	Efficiently Compiling Efficient Query Plans for Modern Hardware	2011	VLDB	0.00054886415
1,946	OrpheusDB: Bolt-on Versioning for Relational Databases	2017	VLDB	9.4334506e-05
2,235	Decibel: The Relational Dataset Branching System	2016	VLDB	8.8913373e-05
3,402	Collaborative Data Analytics with DataHub	2015	VLDB	7.4418927e-05
9,462	Monopedia: Staying Single is Good Enough - The HyPer Way for Web Scale Applications	2017	VLDB	5.2635302e-05

Semantically Similar Papers

#	Overall Rank	Paper	Year	Venue
1	9,947	Optimizing Time Series Queries with Versions	2024	SIGMOD
2	3,736	Versions of Schema for Object-Oriented Databases	1988	VLDB
3	4,016	TARDiS: A Branch-and-Merge Approach To Weak Consistency	2016	SIGMOD
4	7,535	Consistency of Versions in Object-Oriented Databases	1990	VLDB
5	511	On Concurrency Control by Multiple Versions	1982	PODS
6	13,482	Effective Data Versioning for Collaborative Data Analytics	2020	SIGMOD
7	4,860	Living in Parallel Realities – Co-Existing Schema Versions with a Bidirectional Database Evolution Language	2017	SIGMOD
8	4,734	Efficient Management of Multiversion Documents by Object Referencing	2001	VLDB
9	988	Integration of Time Versions into a Relational Database System	1984	VLDB
10	2,056	Modular Synchronization in Multiversion Databases: Version Control and Concurrency Control	1989	SIGMOD