The old system (Wealth Management) was on Microsoft SQL Server platform, however, the performance and stability couldn't meet our requirements. After migrating to DB2, it's much better.
Absolutely -- centralized management tools with UI interface, like Oracle EM .
Yes. We even encountered DB2 bug on the Version 126.96.36.199 and it's the reason why we upgraded to Version 188.8.131.52 .
Yes. Many tables or indexes can't be scaled up without reorg step. As an unbreakable system, it's a very bad design.
8 out of 10. IBM Lab is quite strong. The site technical support is good, too.
See my answer to the 'Stability' question.
It's quite complex. It cannot be done without reference.
The reference documents and education resources in the market might not offer as much as Oracle Database or Microsoft SQL Server.
Calculating the license fee is always very complicated and only the IBM sales can get the final answer. It's not a transparent way.
Yes. Oracle Database.