Categories:

Table, View, & Sequence DDL

DESCRIBE EXTERNAL TABLE

Describes the VALUE column and virtual columns in an external table.

DESCRIBE can be abbreviated to DESC.

See also:

ALTER EXTERNAL TABLE , CREATE EXTERNAL TABLE , SHOW EXTERNAL TABLES

DESCRIBE VIEW

Syntax

DESC[RIBE] [ EXTERNAL ] TABLE <name> [ TYPE =  { COLUMNS | STAGE } ]

Parameters

name

Specifies the identifier for the external table to describe. If the identifier contains spaces or special characters, the entire string must be enclosed in double quotes. Identifiers enclosed in double quotes are also case-sensitive.

Usage Notes

  • To post-process the output of this command, you can use the RESULT_SCAN function, which treats the output as a table that can be queried.

Examples

Create an example external table:

CREATE EXTERNAL TABLE emp ( ... );

Describe the columns in the table:

DESC EXTERNAL TABLE emp;