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What is called mirroring?
The simplest approach to introducing redundancy is to duplicate each disk. This method is called mirroring or shadowing.
What is the use of integrity constraints? Integrity constraints make sure that changes made to the database by authorized users do not result in a loss of data consistency. The
Define the concept of generalization A generalization is relationship between specific kind of thing and general thing. It is also known as "is-a-kind-of" relationship. Inher
Give the general form of SQL query? Select A1, A2............., An From R1, R2..............., Rm Where P
Java program for horrizontal fragmentation in distributed database
what should be included in this???
multiplicity constarin
List any eight applications of DBMS. a) Universities b) Airlines c) Banking d) Credit card transactions e) Tele communication f) Sales g)Finance h) Manufac
To delete a particular column in a relation which command is used ? To delete a particular column in a relation ALTER command is used.
In case of entity integrity, the primary key may be declared? In a case of entity integrity primary key may be not Null.
Give an example of Operations from the functions of a bank. For creation of a saving account, you can write: bank::: create -savings-account (customer)->account. For oper
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