GTDD combines GNN, Tree-LSTM, and Dueling-DQN to select SQL join orders, reporting lower costs than RTOS and JOGGER on JOB and TPC-H, but the comparison is weakened by modifying baselines to use its new reward function.
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A Novel Framework Using Deep Reinforcement Learning for Join Order Selection
GTDD combines GNN, Tree-LSTM, and Dueling-DQN to select SQL join orders, reporting lower costs than RTOS and JOGGER on JOB and TPC-H, but the comparison is weakened by modifying baselines to use its new reward function.