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Normal transactions (commit) are permanent changes in the DB.
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EntityManagerFactory is a factory class for EntityManager instances.
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Peer-to-peer replication involves multiple master copies of a relation
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ACID properties prevent transaction errors.
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Concurrency control mechanisms can prevent all forms of data anomalies and ensure perfect data integrity.
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Global catalogs in a VDBMS contain metadata such as the global conceptual schema and fragmentation schema but not the allocation schema, as it is only stored in local catalogs
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PostgreSQL supports full ACID (Atomicity, Consistency, Isolation, Durability) properties
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An improved version of Two-Phase Commit, known as Presumed Abort, allows the coordinator to immediately undo and remove a transaction from the transaction table upon abort, without waiting for receipts from participants
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DBMS can reserve a portion of the buffer for sorting.
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SQL Injection is the exploitation of a security breach, which occurs in the absence of masking or verification of tokens in user input data, within SQL databases.
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