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
what are the different integrity constraints in rdbmsthe various integrity constraints in rdbms are asprimary key primary key is a grouping of one or
what is the main advantage of the object model what are its different componentsthe object model focuses on the logical data structures each object
what are advantages of object modelsobject models are efficient for communicating with the application experts and reaching a consensus about the
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
what are the advantages of object idthe main advantages of object ids are as belowi ids are not changing ii ids are completely independent of the
what are the advantages and disadvantages of merging an association into a class advantages i less number of tablesii faster performance due
explain how the object classes are mapped to tableseach object class maps to one or more than one tables in the database the objects in the class may
describe about the noiseless channela noiseless channel can transmit an arbitrarily large amount of information no matter how frequently it is
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