Apache Hive : HPL/SQL - Execute OS Command or External Process

HPL/SQL allows you to execute an OS command or external process from a HPL/SQL script:

Syntax:

! command:

!cmd [arguments];

HOST statement:

HOST string_expr

Parameters:

Notes:

• Blank characters are allowed between ! and cmd
• The ! command must be terminated by a semicolon (;)

Example:

Using ! command:

!echo Hello, world;

Using HOST statement:

HOST 'echo Hello, world';

Compatibility: Apache Hive (! command), Oracle (HOST statement).