SAP Business Objects Data Services delivers a single enterprise-class solution for data integration, data quality, data profiling, and text data processing that allows you to integrate, transform, improve, and deliver trusted data to critical business processes. With SAP BusinessObjects Data Services, IT organizations can maximize operational efficiency with a single solution to improve data quality and gain access to heterogeneous sources and applications.

The important functions of SAP BODS are:

  • Extraction Transformation and Loading (ETL): ETL can extract the data from any database or table and load the data into any other database or table.
  • Data warehousing: Database is designed and developed in a particular format for data analysis and reporting. It can be implemented by using data from databases or data sources.
  • Data Migration: Data migration is the process of moving data from one place to another place. It is a subset of ETL where the data is to be relocated from one software system or from one database to another database.
  • Business Intelligence: It analyses the data of an organization effectively and helps in improving business performance.

Logging into the SAP BODS Designer:

You must have access to a local repository to log into the software. Typically, you create a repository during installation. However, you can create a repository at any time using the Repository Manager and configure access rights within the Central Management Server.

  1. Enter your user credentials for the CMS.
  1. Click Log on. The software attempts to connect to the CMS using the specified information. When you log in successfully, the list of local repositories that are available to you is displayed.
  2. Select the repository you want to use.
  3. Click OK to log in using the selected repository

BODS – Object Hierarchy

Designer window

The Designer user interface consists of a single application window and several embedded supporting windows.

  1. Project area: Contains the current project (and the job(s) and other objects within it) available to you at a given time. In the software, all entities you create, modify, or work with are objects.
  2. Workspace: The area of the application window in which you define, display, and modify objects.
  3. Local object library: Provides access to local repository objects including built-in system objects, such as transforms, and the objects you build and save, such as jobs and data flows.
  4. Tool palette: Buttons on the tool palette enable you to add new objects to the workspace.

Creating Datastores in DS Designer

To develop Data Migration work, you first need to create data stores for the source and the target system.

Step 1:

Click Create Data Stores.

A new window will open.

Step 2:

Enter the Datastore name, Datastore type, and database type as shown below. You can select a different database as the source system as shown in the screenshot below. And also, we need to mention the credentials for that particular database.

Step 3:

Click OK and the Datastore will be added to the Local object library list. If you expand Datastore, it does not show any table.

Data Migration Flow

Step 1:

Create a new project. Click the option, Create Project. Enter the Project Name and click Create. It will be added to the Project Area.

Step 2:

Right click on the Project name and create a new batch job/real time job.

Step 3:

Enter the name of the job and press Enter. You have to add Workflow and Data flow to this. Select a workflow and click the work area to add to the job. Enter the name of the workflow and double-click it to add to the Project area.

Step 4:

In a similar way, select the Data flow and bring it to the Project area. Enter the name of the data flow and double-click to add it under the new project.

Step 5:

Now drag the source table under datastore to the Work area. Now you can drag the target table with a similar data type to the work area or you can create a new template table.

To create a new template table right click the source table, Add New → Template Table. Or we can select it from the tool palette: Click the template table icon and drag it inside a data flow to place the template table in the workspace.

Step 6:

Drag the Query Transform to the workspace. Drag and connect them using the line from the source table to query transform and query transform to the target table. Click the Save All option at the top of the project menu.

Step 7:

Click on the Query transform and map the source Schema In columns that you want to include in the target table by dragging.

QueryTransform:
  • Query Transform is similar to a SQL SELECT statement.
  • It can perform the following operations-
    • Choose (filter) the data to extract from sources
    • Join data from multiple sources
    • Map columns from input to output schemas
    • Perform transformations and functions on the data
    • Add new columns, nested schemas, and function results to the output schema
    • Assign primary keys to output columns
    • Different functions can be performed using the query transform like LOOKUP, AGGREGATE, CONVERSIONS, etc.
Step 8:

Click the Save All option at the top of the project menu. Now you can schedule the job using Data Service Management Console or you can manually execute it by right clicking on the Job name and execute.

Once the job execution is complete, the data is transferred from the source to target databases based on the conditions that we have given in the query transform.

In conclusion, SAP Business Object Data Services (BODS) is a GUI tool which allows you to create and monitor jobs which take data from various types of sources and perform some complex transformation on the data as per the business requirement and then will load the data to a target which again can be of any type (i.e., SAP application, flat file, any database).

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