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An execution plan is called serial when for every two transactions Tj and Tn, either all operations of Tj precede those of Tn or vice versa.
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MySQL Workbench can be used for database design, database administration, and SQL development.
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Every object to be used by a transaction does NOT need to be properly locked in advance.
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Distributed databases can implement different architectures, including client-server, collaborative server, and middleware systems
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Transactions can be rolled back to undo changes made if an error occurs during their execution.
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The smaller of the two relations gets stored in a hash table during merge operations
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In Heaps, the priority is for the parent node value to be greater than or equal to (max-heap), or less than or equal to (min-heap) its children's values.
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In Heaps, all leaves are at most 3 levels deep.
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If a transaction is in the "committed" state, it means user input is awaited.
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In practice, a DBMS does NOT check whether an execution plan is serialized or not.
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