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The site catalog describes all objects (fragments, replicas) on a node in a distributed database
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A UNIQUE constraint ensures that all values in a column are different from one another
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MySQL can replicate data across different databases to ensure consistency and high availability.
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ACID is an acronym that refers to the set of 4 key properties that define a transaction: Atomicity, Consistency, Isolation, and Durability.
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Isolation: Transactions take place independently, without interference.
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Optimistic locking is solely based on data locking mechanisms.
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Deadlocks can occur even if transactions are not explicitly locking resources?
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A centralized database stores all data in a single location.
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Views are used to grant users permissions to access or perform certain actions on objects in the database.
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A Deadlock is a concurrency issue?
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