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Default column values in JPA can only be set in the schema definition directly.
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A transaction in a database is a set of actions that are treated as separate units.
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Deadlocks can be resolved by manually breaking the deadlock cycle to allow transactions to proceed.
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In a distributed database, distributed concurrency control ensures global serializability
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Deadlocks occur when two or more transactions are each waiting for a resource that is held by another transaction?
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Sorting outer (R) and inner (S) relations on the join column groups tuples that match in that column
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Denormalization cannot improve the performance of read-heavy database applications.
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SQL Server provides built-in functions for performing mathematical and string operations.
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Recursive implementation is necessary for eliminating duplicates when partitioning exceeds buffer capacity
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Relation scan operation requires reading all tuples from the relation
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