Interview Questions


BI Launchpad has the following important options −

Relational Connection − A Relational connection is used to connect to the Database layer in HANA. You can connect to database objects - tables, views, and design Data Foundation layer in the Information Design tool. You can also import tables and joins from the data source.

OLAP Connection − OLAP is a multidimensional connection that directly points to the business layer in a data model. It allows to connect to multidimensional schema directly and later, they can be used with SAP Business Objects reporting tools.

.cns − Secured Repository connection

.cnx-local unsecured − If you use this connection, it will not allow you to publish anything to the repository.

SAP HANA provides the following three types of Information Views −

Direct − Using this parameter type, you can pass any value for the parameter.

Column − This parameter type allows you to select any value from the list of distinct values available in a column in HANA view.

Derived From Table − It is also possible to create dynamic values in a table. This allows you to select any of the available values from the list.

Static List − It is also possible to create a static list of values and provide user input during execution.

Following are the properties of SAP HANA Analytic View −

All BusinessObjects tool - Webi, Dashboard Designer, Lumira, Crystal Reports, Design Studio that provide Universe connectivity as data source can be used to connect to HANA system.

BusinessObjects 4.2

You can connect to SAP HANA using Universe connectivity from the Dashboard. SAP Dashboard supports SAP HANA backed with Universe created on top of HANA views and tables. You can consume Universe Designer .unx files using the Query Browser option to develop the dashboard.

Crystal Report Version Connection Notes

Crystal Reports 2011 SP4

JDBC

ODBC

Command objects and SQL Expressions are available

Crystal Reports for Enterprise

4.0 SP4

JDBC

ODBC

Direct-to-data connections are available with FP3 and higher

Crystal Reports for Enterprise

4.0 SP4

Universe (.unx)

Relational Universe

Using Universe connectivity with Crystal Reports −

Using Direct connectivity to HANA Views −

Crystal Reports can connect to multiple data sources that include −

Analytic View

Using MDX Provider option

Yes, you can publish SAP Lumira dataset and stories to HANA platform for sharing with other users.

Tableau, MS Excel, Cognos and SSRS

OLAP connection can be created in CMC or IDT

Yes, while creating an OLAP connection you have an option to select if you want the connection to point to a particular view or to the entire repository.

If Universe is available, you can use Universe Connectivity.

SAP HANA in-memory concept − SAP HANA in-memory database services provide the capability of processing high-speed transactions and analytics. It helps in managing large database volumes using multitenant database containers and dynamic tiering across multi-tier storage.

Analytics Processing − Using HANA in-memory processing capability - text, predictive, spatial, graph, streaming, and time series - you can get answers to any business question and make smart decisions in real time.

App Development − Using SAP HANA, you can develop next-generation applications that combine analytics and transactions, and deploy them on any device.

Data Access − SAP HANA helps organizations in getting accurate and complete view of business by accessing data from different sources. HANA provides real-time data replication and data quality to improve decision making from internal and external data sources.

Administration − SAP HANA ensures application availability and tools to monitor the processes along with data and application security.

Security − SAP HANA provides a dashboard to monitor all KPIs related to security. It helps in keeping communications, data storage, and application services secure with robust identity and access management controls.