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AI Query Optimizer in Db2 12.1.3 - technical insights of JOIN queries infusing AI
This demo showcases a performance enhancement in Db2 version 12.13, where the AI query optimizer significantly improves the execution of complex SQL queries involving multiple joins. Using Query 84 from the TPC-DS benchmark, the demo illustrates how traditional optimization methods can estimate join cardinalities inaccurately, leading to ...
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