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An 'outer join' in SQL will return both matching and non-matching rows in both tables
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The DELETE command in SQL removes a table from the database.
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"Drop table" is a command used to remove a table's schema and its data from the database.
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The system catalog does not have the information about the size of the indexes
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Using optimized sorting algorithms does not significantly reduce the number of required runs.
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The precedence graph is using an undirected graph
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Commited is an attribute that does not represent a valid state of a transaction
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In a fully distributed locking scheme, locks on a copy of an object are maintained on the node where the copy is stored, leading to potential contention when writing an object across multiple nodes
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SQL Injection represents masking or verifying the signs in the user's input data, within SQL databases
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Union operation can be optimized using both sorting and hashing approaches
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