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When a read lock (shared lock) is found on an object A for a transaction, the transaction can execute Edit(A) (but not Read(A)).
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Eliminating duplicates involves applying a different hash function compared to the one used for partitioning
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The Durability of a transaction refers to the fact that the results and effects of a successfully completed (committed) transaction are and remain persistent (survive any future errors).
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Exclusive locks allow multiple transactions to read a resource simultaneously.
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SQL Server supports the use of stored procedures, which are precompiled SQL code blocks stored in the database.
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As datasets grow, traditional internal sorting algorithms become unsuitable.
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Network communication in distributed database systems can be prone to errors like message loss and corruption
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Parallel concurrency is found in a DBMS that runs on systems with a processor.
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CascadeType.PERSIST means that save() or persist() operations cascade to related entities.
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Statistic information refers to aggregate values
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