Sap Ha450 - Col13 - Hana 2.0 Sps00 Latest Sample

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Application Development for SAP HANA

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PARTICIPANT HANDBOOK INSTRUCTOR-LED TRAINING . Course Version: 13 Course Duration: Minutes Material Number: 50136317



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© Copyright. Copyright. All rights reserved. reserved.



Contents

vii

Course Overview

1

Unit 1:

Introduction

2

Lesson: Introducing SAP HANA

4

Lesson: Describing SAP HANA architecture

10

Lesson: Comparing XS Classic and XS Advanced

14

Lesson: Introducing SAP HANA Express Edition

21

Unit 2:

Development Tools

22

Lesson: Introducing XS Advanced Application Development Tools

30

Lesson: Introducing SAP HANA Studio

38

Lesson: Developing for SAP HANA XS Classic

49

Unit 3:

Building UIs with SAPUI5

50

Lesson: Introducing JavaScript

57

Lesson: Introducing SAPUI5

58

Lesson: Creating a SAPUI5 Project

61

Lesson: Structuring SAPUI5 application project

64

Lesson: Applying Model View Controller paradigm

70

Lesson: Describing common UI controls

78

Lesson: Binding UI to data

91

Unit 4:

92

The Project in SAP HANA XS Classic and Advanced Lesson: Comparing the XS Classic and XS Advanced development process

96

Lesson: XS Advanced Multi Target Application

105

Lesson: Creating a XS Advanced Project

107

Lesson: Using the SHINE application

110

Lesson: Creating a XS Classic Project

121

Unit 5:

The Persistence Model

122

Lesson: Core Data Services in XS Advanced

129

Lesson: Core Data Services in XS Classic

139

Unit 6:

OData Services

140

Lesson: Using OData to connect the UI to the back end

148

Lesson: OData Services on XS Advanced


v



151

SQLScript

152

Lesson: Introducing SQLScript

156

Lesson: Developing in SQLScript

159

Lesson: Debugging SQLScript

164

Lesson: Using main SQLScript language features

169

Lesson: Using SQLScript functions

171

Lesson: Using SQLScript Triggers

173

Lesson: Introducing the R Language

179

vi

Unit 7:

Unit 8:

Server Side JavaScript

180

Lesson: Introduction to Server Side JavaScript

184

Lesson: Create a Node.js Module

190

Lesson: Executing a Node.js Module

194

Lesson: Accessing the Database

200

Lesson: Debugging a Node.js Module




Course Overview

TARGET AUDIENCE This course is intended for the following audiences: ●

Developer

●

Development Consultant


vii



viii




UNIT 1 Introduction

Lesson 1 Introducing SAP HANA

2

Lesson 2 Describing SAP HANA architecture

4

Lesson 3 Comparing XS Classic and XS Advanced

10

Lesson 4 Introducing SAP HANA Express Edition

14

UNIT OBJECTIVES ●

Introduce SAP HANA

●

Explain the system architecture and the impacts o n development model

●

Compare the XS Classic and XS Advanced ecosystem

●

Introduce SAP HANA Express Edition


1



Unit 1 Lesson 1 Introducing SAP HANA

LESSON OVERVIEW LESSON OBJECTIVES After completing this lesson, you will be able to: ●

Introduce SAP HANA

SAP HANA Introduction Scenario Your company is growing rapidly. In order to accelerate the pace of innovation, and take leadership within the market, your company needs an in-memory platform that runs analytics applications and business processes faster, and runs data infrastructures in a simpler way.

Figure 1: One Platform — Any Application

2




Lesson: Introducing SAP HANA

Figure 2: Cloud Offerings Overview

LESSON SUMMARY You should now be able to: ●

Introduce SAP HANA


3



Unit 1 Lesson 2 Describing SAP HANA architecture

LESSON OVERVIEW LESSON OBJECTIVES After completing this lesson, you will be able to: ●

Explain the system architecture and the impacts on development model

System Architecture and Development Models

Figure 3: SAP HANA Platform

4





Figure 4: SAP Cloud Powered by SAP HANA: Product Portfolio

The SAP cloud portfolio is the most comprehensive portfolio on the market today. It is designed to unlock all of the new possibilities of cloud computing for our customers, as well as to help customers speed up their adoption of SAP HANA innovations. The above figure outlines the following SAP cloud portfolio offerings: On Premise

Within your own data center, you can apply cloud-like setups, by p rovisioning and using SAP systems in an agile manner (virtualized, elastic scaling through lif ecycle management tools, and so on). SAP HANA Enterprise Cloud:

Enterprise-class, SAP HANA managed, cloud offering infrastructure, and managed services, on a monthly subscription. The focus use cases are as follows: SAP Business Suite on HANA, SAP Business Warehouse on HANA, SAP HANA Data Marts. The main activities are as follows: End-to-end assessment, migration, application maintenance, and operation in a managed cloud environment. Individual projects focus on specific customer needs. SAP HANA Cloud Platform

Fully-featured SAP HANA and Platform-as-a-Service (PaaS) offering in a cloud environment, on a monthly subscription basis. Focus use cases are as follows: Quick provisioning of SAP HANA for trials, prototypes, dev/test and production, develop net new applications on top of HANA, and extensions to cloud and on-premise applications (for example, SAP SuccessFactors). Software-as-a-Service

SAP delivers the industry's broadest portfolio of cloud-based business solutions, giving customers the flexibility, choice, and control needed to drive innovation and agility into their businesses. Net new applications, in areas areas such as sports and health, business network applications applications for business-to-business collaboration (Ariba), and social applications for people to people collaboration (SAP Jam) are also also emerging. As a commerce commerce platform that will be more tightly integrated into the SAP HANA Cloud Platform portfolio, Hybris is the solution of choice.


5



Unit 1: Introduction

Our portfolio is built on a common platform, SAP HANA. Through this approach, we make our entire portfolio available to the application, development, and integration services, along with the SAP HANA database, analytics, and the foundational capabilities of SAP HANA.

Figure 5: 3-Tier Applications (Java, ABAP) vs. Native SAP HANA Applications

In traditional, 3-tier applications, especially from S AP, AP, the database is largely used as a data store mechanism only. Massive queries bring large amounts of data back to the application server for processing. Lots of application execution time is spent in the application server, looping over records, performing exclusions and calculations, and so on. This requires database buffers at the application server level. It also means that most of the computing resources are allocated to several, large application servers, as the bulk of the logic is performed at this level. With SAP HANA, the key to the best application performance is to push as much of the logic execution into the database as possible. We now keep all data-intensive logic down in the database as SQL, SQLScript, and HANA views. Lightweight imperative logic, flow logic, and service enablement can be down at the Extended Application Services (XS) level. XS is not like a traditional application service - there is no database buffering and it is stateless only. XS hould be treated as a light, pass-through layer only. Finally, Finally, the complete UI r endering and processing should be done in the client device. Any client-side UI development model can be used, although, as we will see l ater, SAP provides SAPUI5 (HTML5 libraries and development tools), as well as UI integration services (open social based, lightweight portal). SAP HANA provides static HTML content and JavaScript libraries. It also exposes data and logic, via pure REST data services. The UI creation, presentation logic, and data injection injection should all happen on the client side.

6





SAP HANA Platform: Advantages

Figure 6: SAP HANA Platform: Advantages 1/3




7




Figure 9: Development Model for SAP HANA Based Native Applications

Figure 10: SAP HANA Extended Application Application Services: Overview

Figure 11: A New Paradigm: Code to Data

8





Figure 12: XS Architecture

XS Evolves Into XS Advanced Requirements change over time, and so too has XS within SAP HANA. SAP HANA extended application services advanced model, in SPS 11, represents an evolution of the application server architecture. It builds upon the previous strengths of XS, while expanding the technical scope. SAP HANA extended application services (XS) advanced model is a new run-time environment for application development. SAP recommends that customers and partners evaluate the new capabilities of SAP HANA XS advanced model with this release (SPS 11). LESSON SUMMARY You should now be able to: ●

Explain the system architecture and the impacts o n development model


9



Unit 1 Lesson 3 Comparing XS Classic and XS Advanced

LESSON OBJECTIVES After completing this lesson, you will be able to: ●


XS Classic and XS Advanced Ecosystems

Figure 13: XS Classic Ecosystem

In XS Classic, the following components are used to develop native HANA applications: ●

HANA Studio for administration and development.

●

HANA web-based workbench for development.

●

HANA cockpit for administration.

●

Design time repository (repo) in HANA.

●

Web server and XS Engine, supporting web content and JS execution.

●

●

10

Native development UI, UI, as well as business logic and data modeling modeling in HANA. Deploy delivery units.





Figure 14: XS Advanced Ecosystem

With XS Advanced, new components are introduced to develop applications on HANA: ●

Web and cloud centric, scalable, PaaS-like architecture.

●

Cloud foundry-like application runtimes.

●

(Java, Node.JS, …) running in separate processes.

●

Web-based tools for developers and administrators. There is no Eclipse/ HANA Studio support.

●

SAP Web IDE and server-side development infrastructure ( DI).

●

HANA container isolation and activation (HDI).

●

Deploy MTA archives.

Note: The XSA stack runs side by side with the XSC stack, in SPS11


11




Figure 15: Ecosystems Comparison

The following list provides a high-level comparison of the XS Classic and the XS Advanced ecosystems: XS Classic

Advantages: ●

Familiar development environment (HANA Studio, Web IDE and the HANA repository).

●

It is a full system in one offering.

●

Supports JavaScript as application runtime.

●

Direct access to database objects.

●

Integrated transportation management.

Disadvantages: ●

Single source code repository per system.

●

Limited scalability due to tight coupling with the database.

●

Requires database authorization management.

●

Requires additional systems for production emergency fix delivery. delivery.

XS Advanced

Advantages: ●

Application layer can be separate from the database.

●

Supports different runtime containers. For example,. Node.js (JavaScript), Java, C++.

●

Highly scalable, due to container concept.

●

Advanced Git/ Gerrit source code management.

●

Advanced resource management per container. container.

Disadvantages:

12





●

Additional HANA software components to be installed.

●

External source code repository to be set up.

●

Additional development knowledge necessary to create database objects.

LESSON SUMMARY You should now be able to: ●



13



Unit 1 Lesson 4 Introducing SAP HANA Express Edition

LESSON OBJECTIVES After completing this lesson, you will be able to: ●

Introduce SAP HANA Express Edition

HANA Express Edition Introduction

Figure 16: SAP HANA Express Edition 2.0

SAP HANA express edition is a streamlined version of SAP HANA, optimized for fast and continuous application development. It can be used on a laptop, personal computer, server, or in the cloud, wi th flexible development and deployment options. SAP HANA express edition is based on SAP HANA SPS 2. It is free up to 32 GB of memory use, but this can be expanded to 128GB for a fee. SAP HANA express edition contains all of the essential HANA features, yet it utilizes a smaller footprint. There is no need for hardware certification — a minimum 16GB memory recommended. It also allows production use. Installation Options ●

14

Virtual Virtual machine packages for Windows, Mac OS X, or other virtual machine supported operating systems.

●

Binary package for Linux (SUSE and Red Hat).

●

Cloud appliance library (CAL), available through cal.sap.com.



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