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Describe the basic architecture of the ODMG standard for Object Data Management. [10 marks] What support is provided for transactions? What locking modes are available,

Describe the basic architecture of the ODMG standard for Object Data Management. [10 marks]

What support is provided for transactions? What locking modes are available, and how are they used by the database runtime systems? [4 marks]

The query language OQL is recognised as a standard by the Object Management Group (OMG). To what extent is it similar to SQL, and in what ways does it diffffer? [6 marks]

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