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In E-R Diagram how relationship type is represented ? In E-R Diagram relationship type is represented as a Diamond.
What are multiple inheritances? Multiple inheritances allow a class to inherit variables and methods from many super classes.
what is attribute is attribute inheritance in dbms?
Explain concept of inheritance with support of suitable example. Inheritance Inheritance is one of milestone of object-oriented programming language as it allows a creati
Write short notes on domain relational calculus The domain relational calculus uses domain variables that take on values from an attribute domain rather than values for whole t
What is the use of Union and intersection operation? Union: The result of this operation contains all tuples that are either in r1 or in r2 or in both r1 and r2.Duplicate tuple
What are audit trails? An audit trail is a log of all alters to the database along with information like which user performed the change and when the alter was performed.
discuss the array implementation of a stack.
What is the difference between a HAVING CLAUSE and a WHERE CLAUSE? HAVING CLAUSE - HAVING CLAUSE is used only with SELECT statement. - It is normally used in a GROUP BY
Have database built but having problems with some questions that go with the database
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