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---quote---
What is Database Theory?
A collection of studies, often connected to the relational model of data.
* Restricted forms of logic, between SQL and full first-order.
* Dependency theory: generalizing functional dependencies.
* Conjunctive queries (CQ's): useful, decidable special case.
* Universal relations" fi tting a database schema into a single (virtual) relation.
----end of quote---
What is Database Theory?
A collection of studies, often connected to the relational model of data.
* Restricted forms of logic, between SQL and full first-order.
* Dependency theory: generalizing functional dependencies.
* Conjunctive queries (CQ's): useful, decidable special case.
* Universal relations" fi tting a database schema into a single (virtual) relation.
----end of quote---
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