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PostgreSQL · Function

gen_random_uuid

gen_random_uuid() generates and returns a version 4 UUID using random data. It takes no parameters.

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Syntax

gen_random_uuid ( ) → uuid

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  • uuidv4
  • uuidv7
  • uuid_extract_version
  • uuid_extract_timestamp
  • uuid-ossp

Source: PostgreSQL: Documentation: 18: 9.14. UUID Functions. Checked 2026-11-03.