SQL Open Heterogeneous Data Access

Summary: Open, extensible SQL architecture for accessing external data sources via middleware, enabling DML-based queries that join external and local tables in heterogeneous workflows. Surveys current object-relational systems and companion products, and sketches directions for open, cross-source SQL access. (summarized by gpt-5-nano on Feb 09 2026)

Paper ID: 3109
Venue: SIGMOD
Year: 1998
Pagerank: 5.9529512e-05
Overall Rank: 6,165 | 57.71%
DOI: 10.1145/276304.276356

Incoming Non-self Citations Over Time

Authors

1. Berthold Reinwald (IBM)
2. Hamid Pirahesh (IBM)

BibTeX Citation

@inproceedings{reinwald_sigmod98,
        title = {{SQL Open Heterogeneous Data Access}},
        author = {Reinwald, Berthold and Pirahesh, Hamid},
        series = {{SIGMOD} '98},
        booktitle = {Proceedings of the {ACM} {SIGMOD} International Conference on Management of Data},
        publisher = {Association for Computing Machinery},
        doi = {10.1145/276304.276356},
        url = {https://dl.acm.org/doi/10.1145/276304.276356},
        year = {1998}
}

Incoming Citations (Sorted by Pagerank)

Showing 2 of 2 citing papers.

Rank	Citing Paper	Year	Venue	Pagerank
851	Query Optimization in the Presence of Limited Access Patterns	1999	SIGMOD	0.00013611183
1,106	WSQ/DSQ: A Practical Approach for Combined Querying of Databases and the Web*	2000	SIGMOD	0.00012151041

Outgoing Citations (Sorted by Pagerank)

Showing 0 of 0 cited papers.

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

Rank	Cited Paper	Year	Venue	Pagerank

Semantically Similar Papers

#	Overall Rank	Paper	Year	Venue
1	14,314	Open Object Database Management Systems	1994	SIGMOD
2	12,261	Microsoft SQL Server's Integrated Database Approach for Modern Applications and Hardware	2013	VLDB
3	1,558	SchemaSQL - A Language for Interoperability in Relational Multi-database Systems	1996	VLDB
4	8,182	The Heterogeneity Problem and Middleware Technology: Experiences with and Performance of Database Gateways	1998	VLDB
5	7,545	An Open Abstract-Object Storage System	1996	SIGMOD
6	13,011	A Scalable Architecture for Autonomous Heterogeneous Database Interactions	1995	VLDB
7	9,516	Using SQL to Build New Aggregates and Extenders for Object-Relational Systems	2000	VLDB
8	8,109	Relational Support for Flexible Schema Scenarios	2008	VLDB
9	6,233	Integrating Heterogeneous Overlapping Databases Through Object-Oriented Transformations	1999	VLDB
10	1,168	Answering XML Queries over Heterogeneous Data Sources	2001	VLDB