Q. Before any changes to database structure are attempted one should first:

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Q. Which of the following modifications may not succeed?

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Q. Because of the importance of making data model changes correctly, many professionals are ________ about using an automated process for database redesign.

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Q. Which of the following can cause a transaction failure

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Q. If the transaction can no longer continue with its normal execution because of some internal condition, it is called as a _________

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Q. If a system has entered and undesirable state due to which it is unable to continue with normal execution, it is called as _________

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Q. If there is a hardware malfunction or a bug in the database that causes the loss of content of volatile storage, it is called as ________

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Q. The assumption that the hardware errors bring the system to a halt is called as ________

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Q. Which of the following is not a classification of storage

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Q. If a failure has occurred in the midst of a transfer, it is called as _________

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Q. State true or false: The destination block has incorrect information in case of a total failure

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Q. The partitions of the database into fixed length storage units are called as __________

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Q. The blocks residing on the disk are referred to as ___________

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Q. The area of memory where blocks temporarily reside is called as ________

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Q. The most widely used structure for recording database modification is called as _______

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Q. An update log record describes a ________ database write

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Q. Which of the following fields does the update log record have?

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Q. The unique identifier of the transaction that performed the write operation is called as _______

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Q. The value of the data item prior to the write is called as _________

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Q. If a transaction does not modify the database until it has committed it is said to use a _______ modification technique

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