Technical Articles
C_HANATEC_13 Topics: Multitenant Database Containers – by the SAP HANA Academy
LATEST UPDATE: December, 2020 ========================================= For the latest information, visit our blog post series about SAP HANA certification: For the SAP Press Certification Success Guide, see For the blog post, see |
Introduction
This blog is part of a series to help you pass the SAP Certified Technology Associate – SAP HANA 2.0 certification exam, C_HANATEC_13.
For an overview of the exam, see
For the sample questions, see
Topic Areas
There are 10 topic areas and you can expect about 8 questions for each topic.
On my exam – but your mileage may vary – I only had 4 questions give or take categorized as MDC. However, when counting all questions that included a reference to multitenancy, the count came to 20. In other words, a quarter of the exam tests your knowledge on this topic. Make sure you master it!
- Multitenant Database Containers (this blog)
- High Availability and Disaster Tolerance
- Database Administration Tools and Tasks
- Monitoring and Troubleshooting
- Backup and Recovery
- Security
- Users and Authorization
- Database Migration to SAP HANA
- Installation and Upgrade
- System Architecture
In this blog, I will discuss the Multitenant Database Containers (MDC) topic.
On the SAP Training website for C_HANATEC_13, the exam objective for this topic is stated:
Explain the SAP HANA Multitenant Database Containers
architecture and understand the differences in
database administration and backup and recovery.
Study Material
The study material for this topic comes from training
You can download the index of the guide with the units and lesson objectives from the SAP Training website.
There is no dedicated unit on MDC. The topic is included in the units about architecture, deployment options, backup and recovery, and security.
This topic is also addressed in the following SAP HANA guide:
Multitenant Database Containers (MDC)
Not surprising, considering that MDC is a new topic in the C_HANATEC_13 exam, you can expect a fair number of questions about this topic. Make sure you understand the relationship between the system and the tenant database(s), tenant database isolation, port assignment, the web dispatcher (for XS classic), tenants in a distributed system (scaling-out), and single to multitenant conversion.
For the documentation, see
- SAP HANA System Architecture Overview – SAP HANA Administration Guide
- Overview of SAP HANA Tenant Databases – SAP HANA Tenant Databases
- Connections for Tenant Databases – SAP HANA Tenant Databases
- Using SAP Web Dispatcher for Load Balancing with Tenant Databases
- Updating a Single-Container System – SAP HANA Tenant Databases
The following two SAP notes (knowledge base articles) may also provide some useful insights:
- 2101244 – FAQ: SAP HANA Multitenant Database Containers (MDC)
- 2096000 – SAP HANA multitenant database containers – Additional Information
The SAP HANA Academy material on this topic was posted in 2015 and needs to be updated but the concepts are still the same:
SAP HANA Academy – Multitenant Database Containers: Overview
SAP HANA Academy – Documentation: Security – Multitenant Database Containers
SAP HANA Academy – Multitenant Database Containers: Multitenant Conversion [SPS 09]
SAP HANA Tenant Databases Guide – Connections for Tenant Databases
References
SAP HANA Academy Playlists
SAP HANA Community Blogs
SAP Help Portal (Documentation)
- Overview of SAP HANA Tenant Databases – SAP HANA Tenant Databases
SAP Notes
- 2101244 – FAQ: SAP HANA Multitenant Database Containers (MDC)
- 2096000 – SAP HANA multitenant database containers – Additional Information
SAP Education
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Hello Mr. Denys van Kempen,
Thank you for your blog series, which is excellent resource and very comprehensive.
I would like to ask a question regarding the MDC. In the documentation it is said that:
https://help.sap.com/viewer/2c1988d620e04368aa4103bf26f17727/2.0.00/en-US/6483b71787f2439c907bd99036559e72.html
Are this really different instances? From the definition of the instance it does not seem to be correct; they are really databases, as far as I can understand.
Could you please clarify?
Thanks
Hi Shkelzen,
That's correct. Another way to phrase this could be that 'it makes it possible to run several SAP HANA databases inside a single instance on the same hardware ... '
You can run multiple SAP HANA systems (instances) on a single server as well, this is referred to as MCOS, see
Does this answer your question?
Thanks
Regards,
Denys / SAP HANA Academy
Yes, it answers my question; if you phrase like that.
Thank you