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https://cwiki.apache.org/confluence/display/Hive/LanguageManual+UDF Type Conversion Functions The following type conversion functions are supported in 阅读全文
posted @ 2020-08-20 18:25
linbo.yang
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Directory Overview Keywords, Non-reserved Keywords and Reserved Keywords Create/Drop/Alter/Use Database Create/Drop/Truncate Table Alter Table/Partiti 阅读全文
posted @ 2020-08-20 17:40
linbo.yang
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hive>hive -help hive [-hiveconf x=y]* [<-i filename>]* [<-f filename>|<-e query-string>] [-S] -i 从文件初始化HQL -e 从命令行执行指定的HQL -f 执行HQL脚本 -v 输出执行的HQL语句到控制 阅读全文
posted @ 2020-08-20 17:08
linbo.yang
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