1.3.3. Combine data by using joins

Leave a Comment / By LearningTableau / October 30, 2024

What is an effective way to inspect join results in Tableau Prep?

Use the "Summary View" to compare mismatched rows.

Check the "Join Results" pane to see only the successfully joined rows.

Use the "Join Profile" to inspect how many rows matched and how many did not.

Export the data to Tableau Desktop for further inspection of joins.

None

Which features are available in Tableau Prep for inspecting join results?

View matched and unmatched rows using the Join Summary.

Filter out mismatched rows directly from the Join Profile.

Identify mismatched values and inspect nulls in key fields.

Automatically suggest join conditions to improve matching.

None

Which of the following describes a key difference in join features between Tableau Prep and Tableau Desktop?

Tableau Prep provides a Join Profile to explore matching and non-matching rows, while Tableau Desktop does not.

Tableau Desktop supports more join types than Tableau Prep.

Tableau Prep allows joins only between flat files, while Tableau Desktop supports database joins.

Tableau Desktop automatically resolves mismatched values, whereas Tableau Prep requires manual corrections.

None

How can you fix mismatches resulting from mispelling when performing joins in Tableau Prep?

Change the data type of the mismatched fields to ensure they match.

Use the "Join Profile" to automatically correct all mismatched values.

Double-click or right-click the value and select Edit Value from the context menu on the field that you want to fix and enter a new value.

Manually align field names in the Join Profile to fix mismatches between tables.

None

Time's up

Time is Up!

Post navigation