This document provides an overview and introduction to using the SAP HANA Cloud Persistence Service. It discusses how applications can access SAP HANA databases in the cloud using JDBC or JPA, and focuses on JPA as the preferred method. It demonstrates how to add persistence to applications using EclipseLink as the JPA implementation and includes steps for configuring applications to work with SAP HANA Cloud. The presentation concludes with reminders of related resources and a question/answer discussion section.

1. SAP HANA Cloud – Virtual Bootcamp
How to use the HANA Persistence Service
@saphanacloud
Dr. Bernd Hofmann
April 2013
SAP HANA Cloud

2. © 2012 SAP AG. All rights reserved. 2
Disclaimer
This presentation outlines our general product direction and should not be relied on in making a
purchase decision. This presentation is not subject to your license agreement or any other agreement
with SAP. SAP has no obligation to pursue any course of business outlined in this presentation or to
develop or release any functionality mentioned in this presentation. This presentation and SAP's
strategy and possible future developments are subject to change and may be changed by SAP at any
time for any reason without notice. This document is provided without a warranty of any kind, either
express or implied, including but not limited to, the implied warranties of merchantability, fitness for a
particular purpose, or non-infringement. SAP assumes no responsibility for errors or omissions in this
document, except if such damages were caused by SAP intentionally or grossly negligent.

3. © 2012 SAP AG. All rights reserved. 3
Why SAP HANA Cloud Persistence Service?
SAP HANA DBSAP HANA DB

4. © 2012 SAP AG. All rights reserved. 4
SAP HANA Cloud Persistence Service
Application
JDBC / JPA
schema / user / connectivity
SAP HANA DB
 pool of databases
 installation + upgrade
 backup + restore
 monitoring + alerting
 high availability (planned)
 24x7 operations
Sybase ASE
MaxDB

5. © 2012 SAP AG. All rights reserved. 5
How to access the SAP HANA DB
2 Possibilities
 JDBC
 JPA (EclipseLink)
2 SDKs
 1.*
 2.* (beta): Java EE 6 Web Profile (certified)

6. © 2012 SAP AG. All rights reserved. 6
How to access the SAP HANA DB
SDK 1.* SDK 2.* (Beta)
JDBC
JPA
persistence-with-jpa
Adding Persistence Using JPA
(SDK 1.x)
persistence-with-ejb
Adding Persistence Using JPA
(SDK 2.x Beta)
Adding Persistence Using JDBC
persistence-with-jdbc (≥ SDK 1.24.1)
Relational Persistence
Application-managed Persistence Container-managed Persistence

7. © 2012 SAP AG. All rights reserved. 7
What is JPA?
ID FIRSTNAME LASTNAME ID MANAGER
ID FIRSTNAME LASTNAME CLASS MANAGER
PERSON EMPLOYEE
PERSON_EMPLOYEE
RDBMS
?

8. © 2012 SAP AG. All rights reserved. 8
EclipseLink
 JPA (Java Persistence API, JSR 317)
 Object/Relational Mapping
 Reference Implementation:
EclipseLink
 SAP has two committers
 SAP HANA Cloud always uses latest
released version (at present 2.4.1)
 Other JPA providers (e.g. Hibernate,
OpenJPA, ..) are also possible
RDBMS

9. © 2012 SAP AG. All rights reserved. 9
JPA and SAP HANA DB
…
Derby Oracle Sybase
ASE
SAP
MaxDB
SAP
HANA DB
Application
SAP
HANA DB
…

10. © 2012 SAP AG. All rights reserved. 10
Until then (Release of EclipseLink 2.5.0) …
1. [only SDK 1.x]
Add
com.sap.core.persistence.osgi.hdb.platform_x.y.z.jar
(in SDK repository/plugins) to your
lib
folder (as explained in Adding Persistence Using JPA (SDK 1.x), step 3.1.2)
2. Add
<property name="eclipselink.target-database" value="HANA"/>
to your
persistence.xml
3. [if necessary; once only!]
re-deploy with
<property name="eclipselink.ddl-generation" value="drop-and-create-
tables"/>
Samples run out of the box!

11. Demo

12. © 2012 SAP AG. All rights reserved. 12
Demo Scenarios
SAP
HANA DB
AppApp
Derby SAP
HANA DB
1 2
3
local SAP HANA Cloud

13. © 2012 SAP AG. All rights reserved. 13
Access of HANA DB in HANA Cloud
AppJDBC
HANA Studio
HTTPS
JDBC
?
Browser

14. Demo

15. © 2012 SAP AG. All rights reserved. 15
Further Information
 SAP HANA Cloud Homepage
 SAP HANA Cloud Persistence Service (Documentation)
 www.saphana.com
Partner Center
 https://www.saphanacloudappspartnercenter.com
Developer Center
 http://scn.sap.com/community/developer-center/cloud-platform
SAP HANA Cloud
bit.ly/saphanacloud@saphanacloud

16. © 2012 SAP AG. All rights reserved. 16
SAP HANA Cloud Virtual Bootcamp Sessions
Schedule
Virtual Bootcamp session of 1.5 hours:
 5th Virtual Bootcamp: Securing SAP HANA Cloud Applications: May 9th, 5 p.m. CET
Security, Identity and Access Management are top priorities when considering moving applications to the cloud. This lecture gives guidance on how you can
use the features to build solutions that meet your security requirements.
 As a flexible and open cloud platform, does SAP HANA Cloud provide the rock-solid security required for your most sensitive data and applications?
 How do you authenticate and authorize users?
 How is your data isolated on SAP HANA Cloud and can you securely connect to your On-Premise systems?
 How do you secure access from mobile clients, and what if you want to have Single Sign-On (SSO) with other SAP Cloud solutions via SAP ID
Service or your corporate user directory?
At the end of each session, we will give some time for Q&A.
Remarks:
■ The Virtual Bootcamp sessions are scheduled for the developers of our HANA Cloud Applications partners
and the community interested in our HANA Cloud Applications partner program.
■ The sessions will be recorded and provided to our HANA Cloud Partner community.

17. Discussion / Q&A

18. © 2012 SAP AG. All rights reserved. 18
Questions & Answers
Q: Where is HANA actually hosted - what latency between the Java application and HANA database one can expect?
A: The HANA databases are located in the same data center as the applications (as can be seen on slide 13), so there is
minimal latency between application and database.
Q: Can different applications in the same account use different database types (HANA vs. non-HANA)?
A: No, at present the configuration of the database type is on account level.
Q: What is the roadmap for supporting that?
A: By end of Q2/2013 it will be possible to specify the database type (HANA DB, Sybase ASE, MaxDB) as new parameter of
the deployment. With that option it will be possible to assign each application to its own database type independently of
the other applications in the same account.

19. Thank You!
Contact information:
Dr. Bernd Hofmann
SAP HANA Cloud
bernd.hofmann@sap.com

20. © 2012 SAP AG. All rights reserved. 20
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