what is an object ideach class-derived table has
What is an object ID?
Each class-derived table has an ID for primary key, one or more object IDs form primary key for association derived tables. An object ID is equivalent database construct.
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what are the different approaches for database designthere are two basic approaches for database design which are as followsattribute driven it
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what is the main advantage of the object model what are its different componentsthe object model focuses on the logical data structures each object
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what is an object ideach class-derived table has an id for primary key one or more object ids form primary key for association derived tables an
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