DMBS.ig
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SQL is used to create and manage databases.
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A primary key cannot contain null values.
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Without grouping, scanning the entire relation is not always required
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ROWA (Read-Any Write-All) is a common approach to asynchronous replication
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Timeout is a strategy for deadlock prevention where transactions are aborted if they cannot acquire a lock within a specified period.
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A 'CHECK' constraint does not allow a database to validate data based on a Boolean expression
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Error-based SQL Injection is the process of sending SQL queries that will shut down the server.
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Referential SQL Injection is when no data is transferred, but the attacker can reconstruct information about the Database or Website based on its behavior
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EntityManager's createQuery() method is used to perform a select query in JPA.
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A DBMS can handle concurrency and simultaneous access to data by multiple users or applications.
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