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If a person has more than one role, then that person has the combined rights of all roles.
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Sorting of relations is not required to perform merge operations
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Locally autonomous naming in catalog management allows for the creation of new objects with unique names locally, but it requires communication with other nodes to ensure global uniqueness, thus limiting node autonomy
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The "JOIN" clause is used to combine rows from two or more tables based on a related column.
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Two transactions are NOT in conflict if they work on the same data objects.
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SQL is the only language that cannot be used to interact with a relational database management system
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What is the primary reason for moving the database to Amazon RDS?
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Security groups act as virtual firewalls to control traffic to and from EC2 instances.
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