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19c : ExaC@C ZDM Migration

edited Apr 8, 2024 4:28AM in Exadata General (MOSC) 3 commentsAnswered

Hi,

The following TNS config is used to connect applications (400 applications , eg : HR) to on premise Exadata db.

Extract of tnsnames.ora file :
FELIPS.COM is the domain name
PRD_HOST_SCAN is the SCAN that resolves to multiple IP addresses.
HR.FELIPS.COM =(DESCRIPTION=(ADDRESS_LIST=(ADDRESS=(PROTOCOL=TCP)(HOST= PRD_HOST_SCAN)(PORT=1523)))(CONNECT_DATA=(SERVICE_NAME=HR)(SERVER=DEDICATED)))

After migration on premise db (HR) to ExaC@C by using ZDM , service name are suffixed by domain name FILIPS.COM

This is not good because service name to keep is HR and not HR.FILIPS.COM

A workaround to avoid having domain name in service name is to execute the following SQL before ZDM migration:

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