THIS IS A TEST INSTANCE. ALL YOUR CHANGES WILL BE LOST!!!!
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use dataverse tpch; for $d in dataset Lineitem for $t in dataset Orders where 4 * $d.l_extendedprice - 4 * $t.o_totalprice > -2 and4 * $d.l_extendedprice - 4 * $t.o_totalprice < 2 return {"ok": $d.l_orderkey, "ln": $d.l_linenumber, "ep": $l.l_extendedprice, "tp": $t.o_totalprice} |
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4.1 Five stages of parallel sort-based binary join
4.2 Histogram merging based on the densities of the both sides.
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