Computer Dictionary/CORAL

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1. Class Oriented Ring Associated Language.

2. A deductive database and logic programming system based on Horn-clause rules with extensions like SQL's group-by and aggregation operators. CORAL was developed at the University of Wisconsin-Madison. It is implemented in C++ and has a Prolog-like syntax.

Many evaluation techniques are supported, including [[Computer Dictionary/bottom-up fixpoint evaluation|bottom-up fixpoint evaluation]] and top-down backtracking. Modules are separately compiled; different evaluation methods can be used in different modules within a single program. Disk-resident data is supported via an interface to the Exodus storage manager. There is an on-line help facility. It requires ATandT C++ 2.0 (or G++ soon) and runs on Decstation and Sun-4. .

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