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Define an abstraction by which relationships are treated as higher level entities
Ans: Aggregation.
It is an abstraction by which relationships are treated as higher level entities Aggregation. (In ER diagram, aggregation is utilized to denote a relationship as an entity set.)
Discuss The difference between drop table R and delete from R. DROP TABLE command deletes all the records with the table definition. This command will automatically committed
These permit the user to unload a database or parts of a database and reload the data on the similar machine, or on another machine in a dissimilar location. This can be useful in
Database systems have many opposite efforts ?
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a method named WonGame that checks each letter in the word is matched by its label
What is the use of with clause in SQL? The with clause gives a way of defining a temporary view whose explanation is available only to the query in which the with clause occurs
Assume that you are responsible for selecting a new DBMS product for Sohar Hospital
create an e-r diagram usuing graphical dipicted software that could theoritically be used in resturant application
Define an abstraction by which relationships are treated as higher level entities Ans: Aggregation. It is an abstraction by which relationships are treated as higher level
What are multiple inheritances? Multiple inheritances allow a class to inherit variables and methods from many super classes.
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