NTT Data Interview Questions, Process, and Tips

BDC stands for Batch Data Communication. It is a method used in SAP ABAP to transfer data from external systems to SAP.

• BDC is used to automate the process of data entry in SAP.

• There are two types of BDC: Classic BDC and Call Transaction Method.

• Classic BDC involves creating a batch input session and processing it using transaction codes.

• Call Transaction Method uses the CALL TRANSACTION statement to directly process data...read more

Events in a report are used to trigger certain actions or code blocks based on specific occurrences.

• Events can be defined at the start, end, or during the processing of a report.

• Examples of events include initialization, start-of-selection, end-of-selection, and top-of-page.

• Events can be used to manipulate data, perform calculations, or display output.

• Events can also be used to control the flow of a report by skipping ...read more

MPP events are used to control the flow of screens in SAP ABAP programs.

• MPP stands for Module Pool Programming.

• Events are triggered by user actions or system events.

• PBO (Process Before Output) and PAI (Process After Input) are the two main events.

• PBO is used to initialize screen fields and PAI is used to process user input.

• Other events include START-OF-SELECTION, AT SELECTION-SCREEN, AT LINE-SELECTION, etc.

To debug a smartform, use transaction SMARTFORMS and set breakpoints in the code.

• Open transaction SMARTFORMS

• Select the smartform to be debugged

• Click on the 'Debugging' button

• Set breakpoints in the code

• Execute the smartform and the debugger will stop at the breakpoints

Validation of data between source and target is a crucial step in ETL process.

• Compare the data types and formats of source and target data

• Check for missing or extra data in target

• Verify data transformation rules are applied correctly

• Perform data profiling to identify anomalies

• Use checksums or hash values to ensure data integrity

Validation of BI reports involves verifying data accuracy, completeness, and consistency.

• Verify data accuracy by comparing with source systems

• Ensure completeness by checking all expected data is present

• Check consistency by comparing with historical data or benchmarks

• Validate calculations and aggregations

• Test report functionality and user experience