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why are older data base model are being replaced by new data model
Part: Recommended (Non-query) Optimisations This section entitled "Recommended (non-query) optimisations" should be a brief report containing recommended optimisations you would
Ask question #MinimRead Dennis et al. Chapter 6: Minicase 2. Work through it and answer the questions. See the attached example. SequenceDiagram.png Based on the structural mod
State the functional approach of object oriented methods Moving from a functional approach to an object oriented one needs a translation of functional model elements into objec
What is B-Tree? A B-tree eliminates the redundant storage of search-key values .It permits search key values to appear only once.
A buyer for a large department store chain must place orders with an athletic shoe manufacturer six months prior to the time the shoes will be sold in the department stores. In par
Benefits and Limitations od Data Models?
Association as a cache This association must be updated when any new element is added to it, but testing for overlap using association is more efficient. Figure:
Design a database for an airline.The database must keep track of customers and their reservations,flights and their status, seat assignment on individual flights and, the schedule
how to construct labelled precedence graph for view serialiability.please explain insteps with one solved examples
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