Hive中四種 join on篩選條件與where篩選條件的區別

tableA的結構及數據：web id name grade dept 1 lijie1 100.0 10 2 lijie2 90.0 20 3 lijie3 60.0 10 4 lijie4 80.0 10 5 lijie5 70.0 20 id name grade dept 1 lijie1 100.0 10 2 lijie2 90.0 20 3 lijie3 60.0 10 4 lijie

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