Hi everyone,
I am using Jira Service Management 5.10.0 and Jira Core 9.10.0
Which Oracle database version or edition is best one
Please help.
Generally, the latest one.
Don't worry about the applications you have, Jira Core is the bit that looks at databases, and serves the data up to applications. See https://confluence.atlassian.com/adminjiraserver/supported-platforms-938846830.html for the "best" supported options.