C5i Senior Analyst Interview Questions and Answers

Append and Merge are two methods used to combine data from multiple sources into a single dataset.

• Append adds new rows to an existing dataset.

• Merge combines two or more datasets based on a common column or key.

• Append is useful when adding new data to an existing dataset, while Merge is useful for combining datasets with related information.

• Example: Appending new sales data to an existing sales dataset.

• Example: Merging ...read more