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From a set (not a multi-set) of 3 digits, how many unique 3 digit numbers can be created?
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Dirty reads are primarily caused by a low level of transaction isolation, allowing one transaction to see the uncommitted changes made by another.
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Serializable execution plans do not ensure that the results of concurrent transactions are identical to those of a serial sequence
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33%
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Overlapping involves executing processing operations while I/O operations are not in progress.
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In B+ trees, if the tree is not clustered, then it is inefficient.
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'READ UNCOMMITTED' allows transactions to read data that has been modified by other transactions but not yet committed, leading to dirty reads
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In the context of security, "subject" means the initiator of the action
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A DBMS offers backup and recovery mechanisms to protect data against loss.
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Users consider each transaction as an independent unit of operations.
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25%
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