What are UUID Functions used for on Snowflake?

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What are UUID Functions used for on Snowflake?

Daniel Steinhold Answered question July 31, 2023
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UUID functions in Snowflake are used for generating and manipulating Universally Unique Identifiers (UUIDs). UUIDs are standardized identifiers that are unique across all systems and time. Snowflake provides functions to generate and work with UUIDs. Here are some commonly used UUID functions in Snowflake:

1. RANDOM_UUID:
- RANDOM_UUID(): Generates a random UUID value.
- Example: RANDOM_UUID() returns a UUID value like '550e8400-e29b-11d4-a716-446655440000'.
2. UUID_STRING:
- UUID_STRING(number): Generates a UUID string using the specified number as the UUID value.
- Example: UUID_STRING(123456789) returns '00000000-0000-0000-007b-dc647eb65e78'.

These UUID functions are useful when you need to generate unique identifiers that can be used as keys, identifiers, or references in your data. UUIDs are particularly useful in distributed systems or scenarios where the uniqueness of identifiers is critical, as they can be generated across different systems and ensure uniqueness.

Snowflake's UUID functions follow the universally accepted UUID format and provide a convenient way to generate unique identifiers in your Snowflake queries or applications.

Daniel Steinhold Answered question July 31, 2023

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