Data Integration

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“Data Integration frequently Asked Questions by expert members with experience in Data Integration. These questions and answers will help you strengthen your technical skills, prepare for the new job test and quickly revise the concepts”



24 Data Integration Questions And Answers

21⟩ What is the difference between Cascade and Drill Through?

Cascade:

- Cascade process involves taking values from various other prompts.

- The result is a single report.

- The result is used when a criteria is to be implemented.

Drill Through:

- Drill Through process is implemented when navigation from summary to detailed information.

- Drill Through has a parent and a child report.

- Data of another report can be seen based on the current details of data.

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23⟩ Can you explain Pivot – Columns to Rows?

- Data Integrator produces a row in the output data set for every value in the designated pivot column.

- More than one pivot column can be set as per the need of application’s data integration.

- Pivot Sequence Column – Data Integrator increments a sequence number for every row created from a pivot column.

- Non-Pivot column – The columns that need to appear in the target.

- Pivot Set – A group of pivot columns, unique data field and header column.

- Data Field Column – It contains the pivot data along with pivot columns values.

- Header Column – Lists the name of the columns.

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24⟩ Explain History Preserving?

- History Preserving is for providing new row in the target instead of updating the existing row.

- The columns are indicated for transforming the changes that are to be preserved.

- New rows are created when the value of certain column changes.

- Each of these rows is flagged as UPDATE.

- The UPDATE flag is applied for the input data set.

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