Alteryx, an advanced data analytics platform used in numerous sectors including healthcare, banking and government agencies worldwide. Offering tools such as data cleansing and transformation as well as its intuitive user interface that simplifies even complex processes to build and run.

Alteryx  interview questions and answers blog will offer an in-depth examination of Alteryx technical interview questions like its features and advantages as well as how best to start using this platform effectively. So let’s go!!!

1.What is Alteryx?

Alteryxis a self-service analytics tool used for data preparation, cleansing, ETL, and powerful analytics. It was recognized as a leader in Gartner’s 2020 magic quadrant for data science and machine learning platforms in early 2020.

2.Define Alteryx?

Alteryx is an end-to-end data analytics platform that allows users to prepare, blend, and analyze data in a drag-and-drop user interface. It differs from programs like Excel, which require manual, copy, haste, and repeat tasks for data cleansing.

3.What are the features of Alteryx?

Alteryx offers a code-free and code-friendly approach, hundreds of automation building blocks, and the ability to integrate with enterprise applications and robotic process automation (RPA) to automate machine learning pipelines and business processes.

The platform also covers data visualization features, analytic apps, and spatial data analysis.

4.Name the analytical models available in Alteryx?

Alteryx covers analytical models including case-century clustering, K-nearest neighbor, market basket analysis, logistic regression, linear regression, and several tree-based models.

5.What is the workflow canvas in Alteryx?

The workflow canvas is where users put their tools or processes, with the workflow name displayed on the small tab above. Users can close one or more workflows, search for specific tools, save or export workflows, and access various settings and configuration options.

6.List out the data types in Alteryx?

The main data types in Alteryx include strings, alpha-numerics, and alphanumerics. Numeric data types include negative, positive, exponential, date and time, Boolean, and spatial.

Spatial objects can be centroids, coordinates, shapes, or files. Alteryx automatically reads numeric data as double data, with a large maximum value and 15 significant digits precision.

7.Give the information select tool in Alteryx?

The select tool in Alteryx is used to check data types and structure. Users can add a select tool by clicking on the preparation tool set, dragging it to the canvas, and selecting the available fields from the connected data through the configuration window.

8.Name the menus available in Alteryx?

Alteryx offers several menus for saving, opening, exporting, editing, viewing, options for user settings and configuration, help for tutorials, sample workflows, hyperlinks to the Alteryx community, and checking for new updates.

9.What is the function of the browse tool in an Alteryx workflow?

It allows you to view the data profile of each column and see the count of row records and the size of the data.

10.Point out the issues can be addressed with the data cleansing tool?

The data cleansing tool can address common data quality issues such as names capitalization, trailing white space, extra symbols, and null values.

11.What can be done to optimize the workflow and correct data types for future analysis?

To optimize the workflow and correct data types for future analysis, unnecessary fields and deselect unnecessary ones can be removed or deselected. The size allocation of each field depends on their data type and size.

12.Define role of the filter tool in data analysis?

The filter tool is a crucial component in data analysis as it helps focus on specific aspects of data and separates out irrelevant information. It can be used to splits data into true and false outputs, with two types of filter: basic filter and custom filter.

The basic filter is used for simpler queries based on one condition, while the custom filter handles complex queries with multiple conditions across multiple columns. To use the filter tool, select it from the preparation palette and drag it to the campus.

13.Point out difference between the basic filter and the custom filter in the filter tool?

The basic filter and custom filter are two types of filter available in the filter tool. The basic filter is used for simpler queries based on one condition, while the custom filter handles complex queries with multiple conditions across multiple columns.

14.Describe the role of the unique tool in data analysis?

The unique tool is used in data analysis to remove duplicate values from the data. It groups records based on one or more specified fields, and classifies a value as unique if it has not encountered it before.

Duplicate values can damage the accuracy of the data and lead to incorrect conclusions, so removing them is important for ensuring the accuracy of the data analysis.

15.How can you identify exact duplicates using the unique tool?

To identify exact duplicates using the unique tool, select columns for D duplication and run the workflow. The U anchor retains the first instance of the unique line, while those in the D anchor have the duplicates.

Sampling data can help remove extra headers or empty rows, and is useful when creating a machine learning model.

16.What is the purpose of using the sample tool in Alteryx?

The sample tool can be used to limit the data stream to a specific number, percentage, or random set of rows, and apply the selected configuration to the columns selected to group by.

17.How can the join tool in Alteryxbe used to blend data from different sources?

The join tool in Alteryxcombines two inputs based on common fields between two tables or records. It allows for a one in N chance to include each line in each row, giving a 20% probability of being included.

The join tool has two input anchors (L and R) and three output anchors (L, J, and R). Two ways of associating data are by record position and specific field.

18.Describejoin tool in Alteryx be used to join by specific field?

To join by specific field, select the radio button of the join by specific field and specify a specific field or column on both data sets that match each other. The user ID on both data sets must be present on both data sets.

The left output will be data from the left input that did not have any match when used keywords, while the right output will only output data from the right data set that doesn’t have any matches.

19.How can the join tool in Alteryx be used to join by position?

To join by position, connect the first data set to the left input anchor of the join tool and the second to the right input anchor. Select the Join by record position option, deselect duplicate names, add browse tools, and run the workflow.

The join tool merges the left and right data sets horizontally, as joining based on position assumes that line one on the left is to be matched with line one on the right data set.

20.What is the purpose of the union tool in Alteryx?

The union tool in Alteryx is a powerful tool that allows you to combine multiple data sets into a single stream. It stacks incoming data streams vertically by appending the data source on top of one another based on matching columns, positions, or manual alignment.

This method saves time and creates a more dynamic workflow.

21.Mention the purpose of the transpose tool in Altrix?

The transpose tool in Altrix allows visualization of data by pivoting data from a horizontal to a vertical axis, modifying existing columns, and adding functions to create a more organized and efficient data set.

22.What are the key columns and data columns in Altrix?

Key columns are the columns or fields that remain in the horizontal axis, while data columns are the headers or field names that will become values in one column and their values, such as sales amount, in another.

23.Describe function of the prompt for missing columns in Altrix?

The prompt for missing columns can be configured to throw an error, warning, or ignore the missing column.

24.What is the formula tool in Alteryx?

The formula tool in Alteryx allows users to save and load expressions for later use, categorize expressions according to usage and data type and reorder expressions.

25.Define the left and right string functions in the formula tool in Alteryx?

Left and right string functions in the formula tool in Alteryx extract the first and last number of characters starting from the left and end of the strings, respectively.

26.What are some examples of string functions in the formula tool in Alteryx?

String functions in the formula tool in Alteryx can be used to find the occurrence of a specific string or target within another string and extract the word from a specific string.

27.How does the contain function work in the formula tool in Alteryx?

The contains function in the formula tool in Alteryx searches for a keyword in the input data set and outputs true or false depending on whether the keyword is present in the data set or not.

28.What is the replace function in the formula tool?

The replace function in the formula tool is used to apply a replace operation to a string, where the target or word is replaced with a symbol or character, and a new replacement is specified for the target.

29.What is the reverse string function in Alteryx?

The reverse string function in Alteryx reverses all characters in a string.

30.What are the trim, trim right, and trim left functions in Alteryx?

The trim function in Alteryx trims leading and trailing white spaces, while the trim right and trim left functions trim only leading or trailing white spaces, respectively.

31.What is the record ID tool in Alteryx?

The record ID tool in Alteryx assigns a unique identifier to each record in a data set, which can be configured in the configuration.

32.What are some common mathematical operators in Alteryx?

Alteryx supports common mathematical operators, such as addition, subtraction, multiplication, and division.

33.How can you calculate the total sales for each line in a data set in Alteryx?

To calculate the total sales for each line in a data set in Alteryx, you can create a new column called Total Sales and set it as an INT64 data type. Then, in the Expressions Editor, you can add product category fields and use addition operators between them. The total sales of the last column can be calculated using multiple operators.

34.What are some functions in Alteryx that can be used to round numbers?

Alteryx has four different functions that can be used to round numbers: C L function, floor function, Smart round, and round.

35.Can you round numbers to different multiples in Alteryx?

Yes, you can round numbers to different multiples in Alteryx by using the round function on a new column that is also a double.

36.What are some conditional functions in Alteryx?

Alteryx has several conditional functions that help format and flag data. These statements can apply functions for specific categories or criteria.

37.Can you mark applications as either free or paid in Alteryx?

Yes, you can use a basic conditional function in Alteryx to mark applications as either free or paid based on a condition that can be a numeric value, a specific keyword, or a status. The output shows that apps priced as 0 are marked as free, while those priced at $2.99 and $4.99 are marked as paid.

38.What is a workflow in Excel?

A workflow in Excel is a process for organizing and automating tasks based on certain criteria.

39.Define a multi-conditional function in Excel?

A multi-conditional function in Excel is a function that allows you to add multiple criteria to your function. For example, you can use the if then else if function to group app ratings into three categories based on certain criteria.

40.How do you add an operator in the if else if function in Excel?

To add an operator in the if else if function in Excel, click on the functions icon and select Boolean and keyword. Then, add the value that marks if the first condition was satisfied.

41.What are the two operators needed in the if else if function in Excel?

The two operators needed in the if else if function in Excel are the and operator and the or operator. The and operator needs two or more conditions, while the or operator needs two or more conditions.

42.How to use the Alteryxsticky notes annotations to add comments for each tool?

To use the Alteryxsticky notes annotations to add comments for each tool, follow these steps:

Hover over a tool with your cursor.

Click on the “Annotations” icon to add a small rectangle.

You can add comments for each tool by typing or using the configuration windows text box.

The small rectangles move together with the tool and can be added to the tool by clicking on the annotations icon.

43.Define comment strings to expression editors in Alteryx Designer?

To add comment strings to expression editors in Alteryx Designer, follow these steps:

Add a double forward slash before a single line of comment in the expression editor.

This is useful for marking and taking note of the logic used for an expression.

44.Mention the purposeof the Auto Align function in Alteryx Designer to align tools horizontally or vertically?

To use the Auto Align function in Alteryx Designer to align tools horizontally or vertically, follow these steps:

Select the tools that you want to align.

Click on the “Align” button in the toolbar.

You can choose to align the tools horizontally or vertically, depending on your preference.

45.How do I use shortcuts in Alteryx Designer to make work faster?

To use shortcuts in Alteryx Designer to make work faster, follow these steps:

Use the Control and Tab keys to switch between different tools.

Use the Alteryx  or other shortcuts for undo, redo, copy, cut, and paste, as well as a fine menu for specific tools or functions.

46.Explain pan the Alteryx canvas without using scroll buttons?

To pan the Alteryx canvas without using scroll buttons, follow these steps:

Click and drag on the canvas with your mouse.

You can pan the canvas in any direction, up, down, left, or right.

47.How do I zoom in on one part or another of the Alteryx canvas?

To zoom in on one part or another of the Alteryx canvas, follow these steps:

Click and drag on the canvas with your mouse.

You can zoom in or out by using the scroll wheel on your mouse.

48.What is the data quality check in this workflow?

The data quality check in this workflow involves checking the dataset for any issues or errors, ensuring that the movie title and ratings fields are combined, and filtering out any records that do not match the data available in the ratings file.

49.What is the purpose of adding a join tool to the canvas?

The purpose of adding a join tool to the canvas is to connect the movie’s title to the left input actor and the ratings to the right. This allows for the data to be combined and checked for accuracy.

50.Define the purpose of using a filter tool in this workflow?

The purpose of using a filter tool in this workflow is to remove any records that are not matched by movie ID, indicating that the ratings for these movies are not available on the ratings file.

Hope you had good revision now its time to give try with MCQ’s Here we go!

1) What numeric data types are mentioned in Alteryxis?

String, Alpha-Numerics, Alphanumerics

Negative, Positive, Exponential

Boolean, Spatial, Text

2) How does Alteryx handle duplicate values?

Directly deleting all instances of duplicate values

Using formula expressions to remove duplicates

By using a unique tool that groups records and identifies duplicates

3) What does the filter tool do in Alteryx?

Combines multiple data sets into a single stream

It splits data into true and false outputs based on an expression

Appends new values from the source into the currently used table

4) What’s the main functionality of the join tool in Alteryx?

Edits and removes inconsistencies from the data

Aggregates data values while disposing of duplicates

 It combines two inputs based on common fields between two tables or record positions

5) Which tool combines multiple data sets into a single stream in Alteryx Designer?

Summarize tool

Union tool

Sort tool

6) In the context of Alteryx, how can the Sort tool be described in terms of its function?

Tool checks for null or empty values and replaces them with a predefined entry.

This removes duplicate values based on specified fields.

The Sort tool arranges records in alphanumeric order based on the values of a specific data field.

Tool divides data into separate streams based on user-defined conditions.

7) Which statement best explains the function of Alteryx’s Union tool?

The Union tool stacks incoming data streams vertically based on matching columns, positions, or manual alignment.

Identifies and removes duplicate records across multiple data sets.

This tool creates a one-to-one match between fields of two different data sets.

Sorts and orders data sets based on the values within a particular column.

8) In Alteryx, what is the outcome of using the Data Cleansing tool on a data set?

Tool transforms data into a format suitable for creating pivot tables.

The Data Cleansing tool fixes issues such as capitalization, trailing white spaces, extra symbols, and null values.

This  samples a percentage of data for quick analysis.

The Data Cleansing tool encrypts sensitive information for data security purposes.

9) How does the Join tool in Alteryx unify data from two different sources? 

Combines two inputs based on common fields or by their position in each data set.

Sums up numerical values from corresponding fields in two data sets.

Tool filters out records that do not match a given conditional expression.

This one appends rows of one data set to another based on a unique identifier.

10) In Alteryx, what is the primary function of the Unique tool when applied to a data set?

The Unique tool groups records based on one or more specified fields and keeps the first instance while filtering out duplicates.

Iteratively performs calculations on a data set until a unique result is achieved.

The Unique tool automatically renames all fields by appending a unique identifier.

Formats the data to ensure that all fields have distinct names and types.

Summing up Alteryx interview questions we can say that

Alteryx provides firms looking to manage and analyze complex data sets a powerful, flexible analytics platform which can be implemented across industries.

Perfect for data analysts, business intelligence (BI), specialists or anyone dealing with data due to its intuitive user interface and wide array of tools for processing, cleansing and transforming it – Alteryx makes an outstanding addition for anyone dealing with information, whether just starting out in this area or experienced. hope this interview questions on alteryx help you with gaining knowledge and to up skill.