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13

ADC
1993
Springer

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Using Weakest Preconditions to Simplify Integrity Constraint Checking

13 years 9 months ago

Using Weakest Preconditions to Simplify Integrity Constraint Checking

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We present a procedure for deriving the weakest precondition for a database update and an integrity constraint. We show how to simplify the weakest precondition to produce a condition to be evaluated before the update is performed. This provides an eﬃcient means to ensure that database updates maintain integrity constraints. Keywords Database, update, integrity constraint, weakest precondition

Michael Lawley, Rodney W. Topor, Mark Wallace

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ADC 1993 | Database | Database Updates | Integrity Constraint | Weakest Precondition |

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Added	09 Aug 2010
Updated	09 Aug 2010
Type	Conference
Year	1993
Where	ADC
Authors	Michael Lawley, Rodney W. Topor, Mark Wallace

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