Book Image

SAP HANA Cookbook

Book Image

SAP HANA Cookbook

Overview of this book

SAP HANA is a real-time applications platform that provides a multi-purpose, in-memory appliance. Decision makers in the organization can gain instant insight into business operations. Thus all the data available can be analysed and you can react to the changing business conditions rapidly to make decisions. The real-time platform not only empowers business users and top management to make decisions but also provides the capability to make decisions in real-time.A practical and comprehensive guide that helps you understand the power of SAP HANA’s real-time and in-memory capabilities. It also provides step-by-step instructions to exploit all the possible features of the SAP HANA database, enabling users to harness the full potential of this technology and its features.You will gain an understanding of real-time replications, effective data loading from various sources, how to load data, and how to create re-usable objects such as models and reports.Use this practical guide to enable or transform your business landscape by implementing SAP HANA to meet your business requirements. The book shows you how to load data from different types of systems, create models in SAP HANA, and consume data for decision-making. The book covers various tools at different stages creating models using SAP HANA Studio, and consuming data using reporting tools such as SAP BusinessObjects, SAP Lumira, and so on . This book also explains the in-depth architecture of SAP HANA to help you understand SAP HANA as an appliance, that is, a combination of hardware and software.The book covers the best practices to leverage SAP HANA’s in-memory technology to transform data into insightful information. It also covers technology landscaping, solution architecture, connectivity, data loading, and setting up the environment for modeling purpose (including setup of SAP HANA Studio).If you have an intention to start your career as SAP HANA Modeler, this book is the perfect start.  
Table of Contents (16 chapters)
SAP HANA Cookbook
Credits
About the Authors
About the Reviewers
www.PacktPub.com
Preface
Index

Creating filters


Filters help to reduce the amount of data to be retrieved from a database. This applies both within SAP HANA and also between SAP HANA and the reporting tools.

How to do it…

We will be applying filters as follows:

  1. Open the analytic or calculation view, and at the data foundation level, select the field that the filter has to be applied to. Right-click on the field and select Apply Filter, as shown in the following screenshot:

  2. Select Operator and a filter value to be applied, as shown in the following screenshot:

  3. After applying the filter, we can see a yellow funnel symbol against the field indicating that the filter has been applied, as shown in the following screenshot:

How it works…

The type of filter we created on the field in an analytic/calculation view is called a constraint filter or design-time filter. When such a filter is created on a field, filters will be applied on the data before querying from the database when the view is called. This improves runtime performance...