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-- generate a GUID in Oracle | |
select sys_guid() | |
from dual; | |
-- 50C2D6992A3481B5E0532637548C8476 | |
-- convert it to a number | |
-- see https://asktom.oracle.com/pls/asktom/f?p=100:11:0::::P11_QUESTION_ID:7041297073738 | |
select to_number('50C2D6992A3481B5E0532637548C8476', 'XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX') | |
from dual; | |
-- 107349897823974919627571584270129202294 | |
-- convert it back from a number to hex | |
select to_char(107349897823974919627571584270129202294, 'XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX') | |
from dual; | |
-- 50C2D6992A3481B5E0532637548C8476 | |
-- format GUID with dashes | |
-- see https://stackoverflow.com/questions/21101560/converting-raw16-to-guid | |
select lower(regexp_replace('50C2D6992A3481B5E0532637548C8476', '(.{8})(.{4})(.{4})(.{4})(.*)', '\1-\2-\3-\4-\5')) as formatted_guid | |
from dual; | |
-- 50c2d699-2a34-81b5-e053-2637548c8476 |
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