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Internal sorting is not only used when the data to be sorted is small enough to be entirely held in main memory.
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A relational database uses structured query language (SQL) for database access.
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A dirty read occurs when a transaction reads data that has not yet been committed by another transaction.
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In a database, rollback is used to undo transactions that are not yet committed.
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Two execution plans are NOT equivalent if they have the same set of transactions and the same effect on a database.
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PostgreSQL supports table partitioning for better performance
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Setting the isolation level to 'READ UNCOMMITTED' ensures that transactions will always see consistent data
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Indexing in databases is used exclusively to manage data access security
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Concurrent updates can lead to consistency anomalies in a database.
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Spring Data JPA adds an additional level of abstraction and ease of use to working with JPA in Spring applications.
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