Following are few limitations of using SAP HANA Smart Data Access −Virtual Tables cannot be used in multi node HANA cluster. However, it is possible to access virtual table from one HANA server to other.In SAP HANA, few of Analytical view does not support virtual tables so SDA is not suitable.

Following are major changes are done in SAP HANA SPS07 for Smart Data Access −In later version SPS07, it supports SAP Oracle Database 12c, SAP Sybase Event Stream Processor (ESP) 5.1 SP04 and MSSQL server 2012 version 11 as data sources.In SPS07, it is possible to perform insert/update/deletion for remote databases with some limitations.In SPS06, it was not possible to use BLOB and CLOB data types with virtual tables. In SPS07, SDA now supports BLOBs and CLOBs as column data type of virtual table.SDA has a new feature which will help to check whether SDA installation is done successfully or ... Read More

The database user must assign the corresponding object authorizations to the SAP user −Object privilege: CREATE VIRTUAL TABLE on VIRTUAL_TABLES (SYS)Object privilege: DROP on VIRTUAL_TABLES (SYS)

You need to add SAP HANA system authorization CREATE REMOTE SOURCE to create a remote source. If the remote source is not created with the SAP user but with a different database user instead, then this database user must assign the corresponding object authorizations to the SAP user (CREATE VIRTUAL TABLE and DROP).Navigate to user profile in Security tab and go to System privilege.

With use of SAP HANA SPS06 Smart Data Access, you can only perform Select, Insert, Update and Delete operation on virtual tables moved using new remote data source.

With use of SAP HANA SPS06 Smart Data Access, you can only perform SELECT operation on virtual tables moved using new remote data source.

Smart Data Access under Provisioning tab allows you to access and analyze the data stored in other database systems without replicating the data into HANA database. Data replication process is always time consuming and requires memory storage. Smart Data Access allows you to create virtual tables which are linked to remote system tables and data can be directly accessed in SAP HANA system with these virtual tables.In New Remote System wizard, you have to enter the source and you can see the list of Adapters which are supported under Smart Data Access.

CONFIGURATION FILE ‘property_orcl.ini’ It is only required for Adapter ODBC for Oracle data sources. Below shows SQL query to create an Oracle Remote Source using SQL

You can also create a remote source using SQL statement as below −CREATE REMOTE SOURCE Source_Name ADAPTER “odbc” CONFIGURATION FILE ‘property_orcl.ini’ CONFIGURATION ‘DSN=oral_DSN_Name’ WITH CREDENTIAL TYPE ‘PASSWORD’ USING ‘user=username;password=password′;In this SQL statement- can be as per remote data source and take these values- TDODBC, HIVEODBC, ASEODBC, IQODBC and ODBC.In above statement, is used to specify the connection information for data source where you need to mention the DSN name for your ODBC remote source system. You have to create a System DSN/User DSN to access the data source using ODBC connection.To open SQL console, right click on Remote ... Read More

Select the system that you want to access as Remote Data Source and enter the authentication details. You have to enter the Connection Properties and Credentials for remote system.On right hand side, you have option to Test the Connection or you can also run to create the data source.