Implementation of General Constraints in SIM
Summary: Describes SIM, an OO-DBMS with no user-defined methods, supporting general constraints (aggregates, quantifiers, cross-object refs). Constraint checks are generated via stored queries, deferred to full updates, with rollback on violation; the parser can prune checks, and structural constraints are enforced separately. (summarized by gpt-5-nano on Feb 09 2026)
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| 4,312 | SIM: A Database System Based on the Semantic Data Model | 1988 | SIGMOD | 6.2824978e-05 |
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