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我想要的值的另一列值匹配的列的值。以下是我的數據樣本。總和其中一列的值匹配沒有行數變化
DT No_of_records LD_VOY_N LD_VSL_M
2017-05-06 04:00:00.000 7 0002W pqo emzmnwp
2017-05-06 20:00:00.000 6 0002W pqo emzmnwp
2017-05-02 04:00:00.000 1 0007E omq ynzmeoyn
2017-05-01 08:00:00.000 2 0016W rmhp sunhpnw
2017-05-01 12:00:00.000 1 0016W rmhp sunhpnw
2017-05-05 12:00:00.000 2 0019N omq wqmsy
2017-05-06 04:00:00.000 12 0019N omq wqmsy
下面是我想要的輸出
DT No_of_records LD_VOY_N LD_VSL_M Total_no_of_records
2017-05-06 04:00:00.000 7 0002W pqo emzmnwp 13
2017-05-06 20:00:00.000 6 0002W pqo emzmnwp 13
2017-05-02 04:00:00.000 1 0007E omq ynzmeoyn 1
2017-05-01 08:00:00.000 2 0016W rmhp sunhpnw 3
2017-05-01 12:00:00.000 1 0016W rmhp sunhpnw 3
2017-05-05 12:00:00.000 2 0019N omq wqmsy 14
2017-05-06 04:00:00.000 12 0019N omq wqmsy 14
我試圖找到Total_no_of_records列。你有什麼想法?
太謝謝你了!這對我有用! – Jamie