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Write short notes on extension and intension? In any data model, it is significant to distinguish among the description of the database and the database itself the description
What is known as fudge factor? The number of partitions is enhanced by a small value called the fudge factor, which is usually 20 percent of the number of hash partitions compu
How to define a job scheduling strategy that will meet business requirement of reporting availability by 6am CST for the following cubes? Show the job scheduling dependencies in a
10A.53 Code an Oracle Database trigger to enforce the constraint that an employee can never change his or her department. 10A.54 Code an Oracle Database trigger to allow the
Creating views with Read only option : In the view definition this option is used to make sure that no DML operations can be done on the view.
What is deadlock? Neither of the transaction can ever proceed with its normal implementation. This situation is known as deadlock.
Benefits of heap files 1. This is a easy file Organisation method. 2. Insertion is somehow capable. 3. Good for bulk-loading data into a table. 4. Best if file
Difference between LEFT OUTER JOIN and RIGHT OUTER JOIN In left outer join tuples from the left-hand-side relation which do not match any tuple in the right-hand-side relation
What is relational model feature? A relational model feature is much more data independence than some other database models.
Performance of Various Concurrency Control Mechanisms
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