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» Updating a cracked database

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VLDB
1994
ACM

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Implementing Lazy Database Updates for an Object Database System

13 years 10 months ago

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Current object database management systems support user-defined conversion functions to update the database once the schema has been modified. Two main strategies are possible whe...

Fabrizio Ferrandina, Thorsten Meyer, Roberto Zicar...

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ADC
1993
Springer

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Using Weakest Preconditions to Simplify Integrity Constraint Checking

13 years 10 months ago

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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 condi...

Michael Lawley, Rodney W. Topor, Mark Wallace

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ADBIS
2004
Springer

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Update Propagation in Deductive Databases Using Soft Stratification

13 years 11 months ago