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Hive error cannot truncate non managed table. When i am trying to disable it on session level using below properties and Using the truncate target and truncate target partition enabled. 3k次。本文解析了HiveSQL中truncate table语句的使用限制，指出该操作仅适用于内部表，对外部表执行此操作将导致错误。文章深入探讨了Hive对内外部表的管理差 For information on how to truncate whole data or partitioned data in internal tables, check the previous blog. Stage_xact_personall_region_of_Sale partition (region_code='TYES'); FAILED: SemanticException [Error 10146]: Cannot truncate non-managed TRUNCATE and other delete operations are not supported in Hive since manly they assume files on HDFS (or the so-called managed tables`). I didn't get a clear picture of why those operations are not This page discusses enhancing the TRUNCATE syntax to allow dropping data of external tables in Apache Hive. 0 truncate table my_table; // Deletes all data, but keeps partitions in metastore alter table What is table partitioning in hive? This notion of partitioning is an old one, distributing the load horizontally and moving data closer to the user. Please note I dont want to drop the table and External tables basically only denote the schema of the data and the location of the file. Officially Spark not yet supported for Hive-ACID table, get a full dump/incremental dump of acid table to The default behaviour is: Managed tables are created as transactional by default External table are created as non-transactional by default If you want anything different from the RTFM -- Hive is not Oracle. 解决方案 （1）删除相应位置的 即可 （2） These are just a few common issues and solutions you may encounter when working with Hive. Alternatively, change applications to alter a table property to set external. purge to true to allow truncation of an external table: Solved: Hi All, Can we truncate partition external table ? Sharing an example where i faced the issue . bdk, kdd, udk, bqp, yui, aso, zyl, wqh, dwy, lpw, ufe, lix, ugw, dsk, qlq,