You can determine the type of a Hive table, whether it has ACID properties, the
storage format, such as ORC, and other information. Knowing the table type is important for
a number of reasons, such as understanding how to store data in the table or to completely
remove data from the cluster.
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In the Hive shell, get an extended description of the table.
For example: DESCRIBE EXTENDED mydatabase.mytable;
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Scroll to the bottom of the command output to see the table type.
The following output says the table type is managed.
transaction=true indicates that the table has ACID
properties:
...
| Detailed Table Information | Table(tableName:t2, dbName:mydatabase, owner:hdfs, createTime:1538152187, lastAccessTime:0, retention:0, sd:StorageDescriptor(cols:[FieldSchema(name:a, type:int, comment:null), FieldSchema(name:b, type:int, comment:null)], ...
