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Give the forms of triggers?
The triggering event can be insert or delete.
For updated the trigger can state columns.
The referencing old row as clause
The referencing new row as clause
The triggers can be initiated before the event or after the event.
Explain Thomas' Write rule. Show how it is different from timestamp ordering protol Ans: In timestamp-based concurrency control the thomas Write rule is a rule. Given a Timest
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The Transactions- A transaction is definite as the unit of work in a database system. Database systems that deal with a huge number of transactions are also termed as transaction p
Birla Institute of Technology & Science, Pilani Work-Integrated Learning Programmes Division Second Semester 2012-2013 EC-1 Assignment 2 (7.5% of the grade) Course No. : SS ZG
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How the time stamps are implemented Use the value of the system clock as the time stamp. That is a transaction's time stamp is equivalent to the value of the clock when the tra
What is trigger Triggers are statements that are implemented automatically by the system as the side effect of a change to the database.
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