Modifying Table Properties

The ALTER TABLE ... SET|UNSET command is used to modify table properties.

ALTER TABLE Table name SET|UNSET tblproperties

**Table 1** SET|UNSET parameters
Parameter	Description
tableName	Table name.
tblproperties	Table properties.

ALTER TABLE table SET TBLPROPERTIES ('table_property' = 'property_value')
ALTER TABLE table UNSET TBLPROPERTIES [IF EXISTS] ('comment', 'key')

You can run the DESCRIBE command to view new table properties.

Parent topic: SparkSQL Schema Evolution and Syntax Description

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