UUID

Universal Unique Identifier

128 bit value to uniquely identyfie everything >[!example]- > ## Variants - Varaint 0 - ==IT’s obsolete== - Variant 1 (Main) - It uses [[MAC Adress]] with combination of cureent date and time - Variant 2 - Reserved for Microsof backward compatibilit

[!quote] [[userID]] Postgres [[SQL REVISE#SQL]]