如何从 Hadoop-Hive 中删除/截断表? [英] How to delete/truncate tables from Hadoop-Hive?

问题描述

请告诉我如何从 hive 中删除表，并告诉我从哪里可以获得有关 hive 查询的更多信息.

Please tell me how to delete table from hive and also tell from where i can get more information about hive queries.

推荐答案

您可以使用 drop 命令从 HDFS 中删除元数据和实际数据.

You can use drop command to delete meta data and actual data from HDFS.

为了删除数据并保留表结构，使用truncate命令.

And just to delete data and keep the table structure, use truncate command.

有关 hive ql 的进一步帮助，请查看 hive 语言手册.

For further help regarding hive ql, check language manual of hive.

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