SELECT SUBSTR(GUID,1,8)||'-'||SUBSTR(GUID,9,4)||'-'||SUBSTR(GUID,13,4)||'-'||SUBSTR(GUID,17,4)||'-'||SUBSTR(GUID,20,12) GUID FROM ( SELECT SYS_GUID() GUID FROM DUAL )
SELECT SUBSTR(GUID,1,8)||'-'||SUBSTR(GUID,9,4)||'-'||SUBSTR(GUID,13,4)||'-'||SUBSTR(GUID,17,4)||'-'||SUBSTR(GUID,20,12) GUID FROM ( SELECT SYS_GUID() GUID FROM DUAL )
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