Volume 19, Number 1, March 1990

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  Arie Segev: Editor's Notes. 1
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  Won Kim: Chair's Message. 2
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  Marek Rusinkiewicz, Ahmed K. Elmagarmid, Yungho Leu, Witold Litwin: Extending the Transaction Model to Capture more Meaning. 3-7
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  Amit Basu, Rafiul Ahad: An SQL-Based Query Language For Networks of Relations. 8-17
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  Martin Gogolla: A Note on the Translation of SQL to Tuple Calculus. 18-22
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  Jan Jonsson: Semantic Modeling through Identification and Characterization of Objects. 23-28
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  G. H. Gessert: Four Valued Logic for Relational Database Systems. 29-35
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  Rokia Missaoui, Robert Godin: The Implication Problem for Inclusion Dependencies: A Graph Approach. 36-40
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  C. J. Date: Response to R. T. Snodgrass's Letter in SIGMOD Record. 41-42
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  Toby J. Teorey: Correction. 43
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  Announcements and Calls for Papers: POS 90, Management of Replicated Data 90, IFIP WG8.4 90, ICDT 90, Multimedia Inf. Systems 91, JCIT-5, Software Eng. J., ER 90, DEXA 90, ... 44-63
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  ACM News. 64-69

Volume 19, Number 2, June 1990

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  Hector Garcia-Molina, H. V. Jagadish (Eds.): Proceedings of the 1990 ACM SIGMOD International Conference on Management of Data, Atlantic City, NJ, May 23-25, 1990. ACM Press 1990 [ contents ]

Volume 19, Number 3, September 1990

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  SIGMOD Institutional Sponsors. 1
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  Arie Segev: Editor's Notes. 2
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  Won Kim: Chair's Message. 3-4
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  Roberto Zicari: Incomplete Information in Object-Oriented Databases. 5-16
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  Bhavani M. Thuraisingham: Computing Transitive Closures of Multilevel Relations. 17-23
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  Li Lei, Georges-Henri Moll, Jacques Kouloumdjian: A Deductive Database Architecture Based on Partial Evaluation. 24-29
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  Jyrki Nummenmaa, Peter Thanisch: Yet Another Note on Minimal Covers. 30
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  Michael Stonebraker, Lawrence A. Rowe, Bruce G. Lindsay, Jim Gray, Michael J. Carey, Michael L. Brodie, Philip A. Bernstein, David Beech: Third-Generation Database System Manifesto - The Committee for Advanced DBMS Function. 31-44
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  Amit P. Sheth: Database Research at Bellcore. 45-52
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  Yuri Breitbart: Multidatabase Interoperability. 53-60
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  Announcements and Calls for Papers: VLDB Journal, Critical Issues 90, CR, SIGIR Forum, IEEE Computer, CCW 91, ICDCS 91, JCIT-5, ... 61-83
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  News. 84-85

Volume 19, Number 4, December 1990

Directions For Future Database Research and Development. Joint Issue of ACM SIGMOD Record and IEEE Data Engineering Bulletin 13(4), December 1990

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  SIGMOD Institutional Sponsors. 1
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  Arie Segev: Editor's Notes. 2
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  Won Kim: Chair's Message. 3
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  Won Kim: Directions For Future Database Research & Development - Letter from the Issue Editor. 4-5
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  Abraham Silberschatz, Michael Stonebraker, Jeffrey D. Ullman: Database Systems: Achievements and Opportunities - The "Lagunita" Report of the NSF Invitational Workshop on the Future of Database System Research held in Palo Alto, California, February 22-23, 1990. 6-22
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  Peter Scheuermann, Ahmed K. Elmagarmid, Hector Garcia-Molina, Frank Manola, Dennis McLeod, Arnon Rosenthal, Marjorie Templeton: Report on the Workshop on Heterogenous Database Systems held at Northwestern University, Evanston, Illinois, December 11-13, 1989, Sponsored by NSF. 23-31
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  James C. French, Anita K. Jones, John L. Pfaltz: Summary of the Final Report of the NSF Workshop on Scientific Database Management. 32-40
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  Serge Abiteboul, Peter Buneman, Claude Delobel, Richard Hull, Paris C. Kanellakis, Victor Vianu: New Hope on Data Models and Types: Report of an NSF-INRIA Workshop. 41-48
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  François Bancilhon, Won Kim: Object-Oriented Database Systems: In Transition. 49-53
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  Michael J. Carey, Laura M. Haas: Extensible Database Management Systems. 54-60
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  Oliver Günther, Alejandro P. Buchmann: Research Issues in Spatial Databases. 61-68
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  Amihai Motro: Accommodating Imprecision in Database Systems: Issues and Solutions. 69-74
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  Jeffrey D. Ullman, Carlo Zaniolo: Deductive Databases: Achievements and Future Directions. 75-82
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  Richard T. Snodgrass: Temporal Databases - Status and Research Directions. 83-89
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  Teresa F. Lunt, Eduardo B. Fernández: Database Security. 90-97
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  Hector Garcia-Molina, Bruce G. Lindsay: Research Directions for Distributed Databases. 98-103
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  David J. DeWitt, Jim Gray: Parallel Database Systems: The Future of Database Processing or a Passing Fad? 104-112
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  Michael Stonebraker: Data Base Research at Berkeley. 113-118
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  Arthur M. Keller, Peter Rathmann, Jeffrey D. Ullman, Gio Wiederhold: Selected Database Research at Stanford. 119-122
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  Sushil Jajodia, Ravi S. Sandhu: Database Security: Current Status and Key Issues. 123-126
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  Fèlix Saltor: Congresses on Databases. 127-128
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  Announcements and Calls for Papers: SIGMOD 91, PODS 91, VLDB 91, ER 91, SIGIR 91, SSD 91, BNCOD-9, ECOOP 91, DEXA 91, WADS 91, SIGSOFT 91. 129-139