Monday, 24 June 2019

Smart Data Integration: HanaAdapter from HANA Express to HANA as a Service

If I’m doing something for the first time and I know I will need to replicate it multiple times, I tend to take screenshots and notes for my self of the future. Since I got this question a couple of times in the last weeks, I’m publishing those notes.

This post is about setting up Smart Data Integration from an on-premise SAP HANA instance (HANA Express in my case) to my tenant of SAP Cloud Platform, SAP HANA Service on Cloud Foundry.

Friday, 21 June 2019

Machine Learning with SAP HANA & R – Evaluate the Business Value

In this blog, I will show how to evaluate the business value from a machine learning model built in SAP HANA using R.

Combining SAP HANA & R allows the data scientist or advanced business analyst to leverage the power of SAP HANA and at the same time get the vast functionality from the use of R Packages. The main benefit with an approach of using SAP HANA in combination with R is that it allows you to utilize the power of SAP HANA both in terms of scalability and performance through R scripting. In a nutshell, there is no movement of training data from SAP HANA to the R server/client and the training of machine learning models is performed exactly the same place as where the data resides. In short: algorithms and data are on the same in-memory SAP HANA server.

Wednesday, 19 June 2019

GRC Access Control 12.0 ARM setup for provisioning HANA DB users

Let’s first go over an example of a HANA DB role request and then show that role provisioned in HANA DB through GRC Access Control.  First screenshot below is an access request for HANA DB role ABAP_ADMIN. Once the request is submitted and goes through the approvals, the role gets assigned to user ID.  The second screenshot shows the assignment in HANA DB.

Monday, 17 June 2019

Capture Change Data with the SDI Flowgraph Table Comparison

When batch-loading data from a source system into your Data Mart or Data Warehouse, you usually look for ways to reduce the to-be extracted data set to minimize extraction time and resource consumption. Ideally, there is a way to only extract changed records, for example, using a change date column. However, this does not always fly. For example, change date columns are not always reliable or deletions are not always tracked in the source table. An alternative would be to switch from batch to log or trigger replication on the source, but you don’t always have this luxury. So, now you have to load the entire source data set, but still you want to identify the change data, to only process delta’s in downstream data flows. How can you identify such change data using batch loading?

Sunday, 16 June 2019

How to Connect SAP HANA with GeoServer

Meanwhile SAP HANA and its spatial features can be used with a lot of third party GIS (Geographical Information Systems) tools. One crucial question is on how to connect SAP HANA with these tools. This might be quite different from tool to tool and sometimes also be kind of hidden information, especially when the possibility and support for a certain tool is new and recent. In this blog I go into the details how to connect SAP HANA with GeoServer.

Friday, 14 June 2019

BW/4 HANA – Virtual Master Data Through SDA

With increasing demand of multi sourced data reporting, flexibility & agility, SAP offers an one stop solution with BW/4 HANA.

SAP S/4HANA provides operational reporting for current data from a single SAP application. SAP BW/4HANA delivers a modern data-warehousing environment that allows reporting on data from SAP and Non-SAP Applications. BW/4 HANA which is available only in SAP HANA platform is optimised for SAP HANA.

Wednesday, 12 June 2019

Implementing Dynamic Join To Showcase Measure Based On Different Attribute In a Single HANA View

Introduction


There are different types of joins available in the database. SAP HANA offers all of these joins.

The different types of joins in SAP HANA