DMBS.ig
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Concurrency control mechanisms can minimize data anomalies and ensure perfect data integrity most of the time.
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A transaction, in the context of a database, is a logical unit that is executed independently to retrieve data or updates.
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A global catalog in a distributed database contains metadata about the global conceptual schema
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In a centralized database system, all data is stored in one place
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CRUD stands for "Create, Read, Update, Delete"
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JPA stands for Java Persistence API.
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The CAP theorem states that a distributed database system can simultaneously provide consistency, availability, and partition tolerance.
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The impact of a dirty read can be serious in systems where accuracy and data integrity are crucial.
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Phantom reads are allowed in Repeatable Read isolation level
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In SQL, the 'SERIALIZABLE' isolation level provides the highest level of isolation by placing shared locks on all data that a transaction accesses
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