open a EM express port 5500 in Oracle Linux
[root@oracle12cdb1 ~]# firewall-cmd --permanent --add-port=5500/tcp
success
[root@oracle12cdb1 ~]# firewall-cmd --reload
success
This blog contains different things for Oracle DBA, APPS DBA and Middleware technologies. All these things should be tested first on test environments before applying in the Prod environments, please follow the standard Change control to apply all the PreProd and Prod changes. Also to make this blog more useful, please give your comments and share your experience. Thanks
To test / create the db link in another db user schema following procedure can be used. create or replace procedure tst_user.dblink is ...
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