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Articles by John SAP
Page 2 of 9
Using DSN name while using a remote source in SAP HANA
In below SQL statement you have to define orcl_DSN_Name −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 create an ODBC DSN in system, you need to ...
Read MoreExecuting a table creation using UI in SAP HANA Studio
To execute the table creation, click on the green arrow mark on the top right corner. You will get a confirmation as below that a column table has been created in Schema AA_HANA11 with name DEMO_TABLE −Statement 'create column table "AA_HANA11"."DEMO_TABLE"( "CUST ID" INTEGER null, "CUST NAME" VARCHAR (10) null)' successfully executed Affected Rows:0 in 5 ms 884 µs.
Read MoreUsing Operators in Analytic Privilege in SAP HANA
You have the following Operators that can be used to define restrictions
Read MoreChecking column properties in an Attribute view in SAP HANA
This can be easily checked in Details pane. You need to select column name for which you want to check Properties of a column → right click → Properties
Read MoreDifference between Copy and Derived view in SAP HANA
Following are the key points about using Derived view in SAP HANAThe derived attribute view will be similar in all the characteristics as the base view (except the name) It is not possible to edit any semantic/data foundation design in the derived attribute view. When there is any change in the base view, the changes will be reflected in the derived attribute view too. This helps reduce extra efforts of replicating the changes in the derived view.When you want to define an Attribute view on the top of an existing object as copy, you can use Copy From option. This can be ...
Read MoreManual compression of a table in SAP HANA
It is also possible to compress a table in SAP HANA system manually by executing the following SQL statement.UPDATE "table_name" WITH PARAMETERS ('OPTIMIZE_COMPRESSION' = 'YES')This results in deciding whether a compression is required or an existing compression can be optimized. In this scenario, HANA system uses most suitable compression algorithm.When you run the above SQL command, compression status remains the same. You can also force the database to reevaluate compression using the following SQL status UPDATE "AA_HANA11"."SHOP_FACTS" WITH PARAMETERS ('OPTIMIZE_COMPRESSION' = 'FORCE')
Read MoreCommon system schema in SAP HANA Studio under Provisioning
Common system schema are −_SYS_BIC_SYS_REPO_SYS_BI_SYS_XS_SYS_STATISTICS and many more
Read MoreRemote system allowed in SAP HANA Smart Data Access
In SAP HANA SPS07, it has been extended to MSSQL server and Oracle database and write operation was permitted to perform on remote data sources.Following remote systems are allowed under Smart Data Access with Write operation in SAP HANA SPS07 −SAP HANASybase ASESAP Sybase IQTeradata 13.0 or higherApache Hadoop 2.3MSSQL 11Oracle 12c
Read MoreUsing SAP HANA SPS06 vs SPS07 with Smart Data Access SDA
In below table, you can see the list of remote data sources that are supported under SAP HANA Smart Data Access for SPS06 and SPS07 and the operations supported −SAP HANA VersionsSPS06SPS07 or higherSupported Data Sources under Smart Data AccessSybase ASE, SAP Sybase IQ 15.4 ESD 3 and Version 16.0 Apache Hadoop Version 2.3 Teradata Database Version 13.0 or higherSybase ASE, SAP Sybase IQ 15.4 ESD 3 and Version 16.0 Apache Hadoop Version 2.3 Teradata Database Version 13.0 or higher Oracle database 12c MSSQL version 11 for SQL Server 2012 IBM DB2Operations SupportedSelectSelect, Insert, Update and Delete
Read MoreAdapters supported under Smart Data Access in SAP HANA
Below is the list of Adapters which are supported under Smart Data Access in SAP HANA −This comes while creating a new Remote Data Source.
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