TDA-C01

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The dumps for TDA-C01 exam was last updated on Jun 18,2025 .

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Question#1

HOTSPOT
You have the following dataset.

Yon need to calculate the ranking shown in the Rank field.
How should you complete the formula? (Use the dropdowns in the Answer Area to select the correct options to complete the formula?

Explanation:
To calculate the ranking shown in the Rank field, you need to use the RANK_UNIQUE function, which returns the unique rank of each value in a partition. You need to specify the expression as SUM([Sales]), which calculates the total sales for each product. You also need to specify the order as descending, which means that the highest sales will have the lowest rank. Finally, you need to specify the restart as every [Category], which means that the ranking will reset for each category.
Reference:
https://help.tableau.com/current/pro/desktop/en-us/functions_functions_tablecalculation.htm
https://help.tableau.com/current/pro/desktop/en-us/calculations_calculatedfields_lod_rank.htm

Question#2

DRAG DROP
You conned to a Microsoft SQL Server database.
You need to create a custom SQL query that retrieves rows from a table named Students Only students m the city of Berlin must be returned.
How should you complete the query? (Drag the appropriate Options to the Answer Area and drop into the correct locations.)

Explanation:
Select
Where
The correct way to complete the query is:
SELECT * FROM [dbo] . [Students]
WHERE [Students].[City] = ‘Berlin’
The SELECT statement is used to retrieve data from a table or a view. The * symbol means that all columns will be returned. The FROM clause specifies the table or view name and the schema name. The WHERE clause is used to filter the data based on a condition. The condition is [Students].[City] = ‘Berlin’, which means that only rows where the City column of the Students table is equal to ‘Berlin’ will be returned.
The other options are not relevant for this query. CAST is a function that converts a value from one data type to another. JOIN is a clause that combines data from two or more tables based on a common field. ON is a keyword that specifies the join condition. UNION is a set operation that combines the results of two or more queries into one result set.
Reference:
https://docs.microsoft.com/en-us/sql/t-sql/queries/select-transact-sql?view=sql-server-ver15
https://docs.microsoft.com/en-us/sql/t-sql/queries/where-transact-sql?view=sql-server-ver15
https://docs.microsoft.com/en-us/sql/t-sql/functions/cast-and-convert-transact-sql?view=sql-server-ver15
https://docs.microsoft.com/en-us/sql/t-sql/queries/from-transact-sql?view=sql-server-ver15#join
https://docs.microsoft.com/en-us/sql/t-sql/language-elements/set-operators-union-transact-sql?view=sql-server-ver15

Question#3

Open the link to Book1 found on the desktop. Open Disciplines worksheet.
Filter the table to show the Top 10 NOC based on the number of medals won.

A. To filter the table to show the Top 10 NOC based on the number of medals won, you need to do the following steps:
Open the link to Book1 found on the desktop. This will open the Tableau workbook that contains the Disciplines worksheet.
Click on the Disciplines tab at the bottom of the workbook to open the worksheet. You will see a table that shows the NOC, discipline, and medals for each country.
Drag Medals from the Measures pane to the Filters shelf. This will open a dialog box that allows you to filter by different criteria.
Select Top from the dialog box. This will show you options to filter by the top or bottom values of a field.
Enter 10 in the text box next to By field. This will filter by the top 10 values of Medals.
Select NOC from the drop-down list next to By field. This will filter by the top 10 values of NOC based on Medals.
Click OK to apply the filter. You will see that the table now shows only 10 rows, one for each NOC with the highest number of medals.
Reference:
https://help.tableau.com/current/pro/desktop/en-us/filtering.htm
https://help.tableau.com/current/pro/desktop/en-us/filtering_topn.htm

Question#4

HOTSPOT
You have a Tableau Prep flow that joins a dataset named Global Indicators to a dataset named Price Indices.
In which step can you transform rows of monthly data into rows of yearly data''

A. To aggregate data, implying you would be doing it before the join, you'd use the summarise/aggregation tool that E. Therefore, the answer should be the Epsilon E.

Question#5

You have the following dataset.

Which Level of Detail (LOD) expression should you use to calculate tie grand total of all the regions?

A. {FIXED: [Region] SUM Sales}

B. {FIXED: SUM Sales}

C. {Fixed: [Region]: TOTAL Sales}

D. {FIXED: TOTAL (Sales)}

Explanation:
To calculate the grand total of all the regions, you need to use a Level of Detail (LOD) expression that ignores any dimensions in the view and returns the total sum of sales. The FIXED keyword allows you to specify the level of detail for the calculation, and the TOTAL function returns the sum of all values in the expression. Therefore, the correct LOD expression is {FIXED: TOTAL (Sales)}.
Reference:
https://help.tableau.com/current/pro/desktop/en-us/calculations_calculatedfields_lod.htm
https://help.tableau.com/current/pro/desktop/en-us/functions_functions_tablecalculation.htm#TOTAL

Exam Code: TDA-C01 Q & A: 120 Q&As Updated: Jun 18,2025

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Exam Code: TDA-C01
Q & A: 120 Q&As
Updated: Jun 18,2025

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