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Explain the rules for creating a labelled precedence graph for testing view serializability. Ans: A schedule S is view serializable if it is view equivalent to a ser
What are the components of storage manager? The storage manager components include a) Authorization and integrity manager b) Transaction manager c) Buffer manager d
how many hourse have been spent on a certain project
what is query processing ,query optimization and performance turring?
aggregation
What three major types of actions includes databases? Briefly discuss these The three major types of actions including databases are: (i) Defining: It includes specifyin
What are called journaling file systems? File systems that support log disks are known as journaling file systems.
What is Derived and stored Attribute? Derived and Stored Attribute - In a few cases, two or more attribute values are associated, for example, Age and BirthDate attributes of a
Code an Oracle Database trigger to enforce the constraint that an employee can never change his or her department.
Explain Alternate key? Alternate Key - All the candidate keys except primary key are known as alternate keys.
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