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You are required to implement integrity constraints within the database to enforce the following requirements: For Projects: Start date must be supplied. Start date cannot be i
Explain Deadlock detection and recovery Deadlock Detection - A deadlock is said to take place when there is a circular chain of transaction, every waiting for the release of a
Define Deadlock detection If a system does not employ a few protocols that make sure deadlock freedom, after that a detection and recovery scheme should be used. An algorithm
Should I select imaging software that allows changes? An imaging system should not give features to edit or alter images. Images generally are formed as safe and secure records
What is vertical fragmentation? Vertical fragmentation divides the relation by decomposing the scheme R of relation r.
While sorting, if the main storage available is not enough, the system writes data to an external help file. The SAP profile parameter, which determines DIR_SORTTMP
Question: AirwaysCentre, an international airline booking company currently uses a relational database system for their operations, which includes the following relations: P
write-set(T): Each data items that are written by a transaction T
What are audit trails? An audit trail is a log of all alters to the database along with information like which user performed the change and when the alter was performed.
Normal 0 false false false EN-US X-NONE X-NONE
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