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Define blocks?
The database system resides eternally on non-volatile storage, and is into fixed-length storage units known as blocks.
Recovery Techniques: After Reading the types of failures and database errors, let us talk about how to recover from the failures. Recovery can be complete using/restoring the previ
it can be possible to create any table without primary key
what is database management system? & why it is required?
Code an Oracle Database trigger to enforce the constraint that an employee can never change his or her department.
A full discription of the new, a discription of its components, and the bebefit it will provide a company. A disscussion of the information usedin the system. A disscussion of any
Which are the two ways in which entities can participate in a relationship? Total and partial are the two ways in which entities can participate in a relationship
I have been given 8 differebt data warehouseing failure case studies. I need to question 4 questions for each
Describe the statement in SQL which allows to change the definition of a table? In SQL Alter statement is used to allow the changes the definition of a table.
What are stored and derived attributes? Stored attributes: The attributes keeps in a data base are known as stored attributes. Derived attributes: The attributes that are de
What is inheritance? Inheritance is an object orientation concept that allows reusability of code / design. Basic sense of inheritance is that if one class is predefined than a
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