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What is an Operand?
The data on which the operation is to be performed is known as an Operand
What are the three data anomalies that are similarly to take place as a result of data redundancy? Can data redundancy be completely eliminated in database approach? Why or why n
Outer Join: The use of Outer Join is that it still joins those tuples that do not have matching values in common columns are also contained in the result table. Outer join places
Explain Growing Phase of locking Growing Phase: In this phase the transaction can only obtain locks, but cannot release any lock. The transaction enters the growing phase as so
Define the terms i) DDL ii) DML DDL: Data base schema is particular by a set of definitions expressed by a special language known as a data definition language. DML: A data
Define Network DBMS The NDBMS is built primarily on a one-to-many relationship, but where a parent-child representation between the data items cannot be ensured. This may occur
Can a domain, assigned to a data element be changed? Yes. We can do so by just overwriting the entry in the field domain.
To delete a particular column in a relation which command is used ? To delete a particular column in a relation ALTER command is used.
sir, could anybody help me in getting complete information about the mentioned topic
Hierarchical
i am required to come up with entities relationships, optionality and cardinality from a scenario. there is a night club and bookings for a musician band
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