Impala 数值函数大全(转载) Impala SQL 语言元素(翻译)

  转载链接1:https://blog.csdn.net/qq_24699959/article/details/79863664

  转载链接2:https://blog.csdn.net/qq_24699959/article/details/80090050

  Impala SQL 语言元素(翻译)https://my.oschina.net/weiqingbin/blog/189413#OSC_h2_2

  Impala数据类型:https://blog.csdn.net/yidu_fanchen/article/details/78295499

  1、字符串截取substr,从1开始,而不是0;注意一个汉字长度是3

    select brand,substr(brand,1,6) from dw_bill_his limit 10;

    

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转载自www.cnblogs.com/shaosks/p/9667406.html