DMBS.ig
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Scanning the outer and inner relations defines the join process
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An execution plan S is serializable when it has transactions in series.
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SECONDARY KEY is an integrity constraint.
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In a distributed database, if a node fails, it can affect the atomicity of transactions
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The cardinality of a query result = the maximum number of tuples in a query result * the product of all reduction factors
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In synchronous replication, the voting procedure requires writing to a majority of copies for updates to commit
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MySQL databases are case-sensitive by default.
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Isolation levels in SQL define the degree of isolation between transactions
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Starting a virtual machine is quick and can be done in a few milliseconds
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In a multi-user database environment, transactions can execute without any concurrency control mechanisms.
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