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What does conceptual design work?
A conceptual design involves modelling independent of the DBMS.
Dependency Preservation It is obvious that the decomposition must be lossless so that we do not lose any information from the relation that is decomposed. Dependency preservati
Determine the term- Active values An active value is that has dependent values. Every dependent value registers itself with active value that contains a set of dependent values
Increases efficiency : Data is stored close to most often used site, therefore retrieval would be faster. Also, data that is not required by local applications is not stored, there
Give the two reasons for allowing concurrency
Java program for horrizontal fragmentation in distributed database
The Incident table, with an auto-incrementing incident number, etc, looks like: incident_num reporter date time incide
Explain the conventions (relationships) for displaying an ER schema as an ER diagram.
what is Mapping Constraints? with examples
WHAT IS DBMS
The primary key is selected from the
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