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Desktop Specialist (Tableau®-Desktop-Specialist)
The Tableau Desktop Specialist certification teaches analysts how to connect to data, prepare it, build visualizations, and share insights via dashboards, ensuring foundational visual‑analytics competence.
Who Should Take This
It is ideal for business analysts, data consultants, or reporting specialists who have at least three months of hands‑on Tableau Desktop experience. These learners aim to validate their ability to prepare data, create effective visualizations, and deliver interactive dashboards that support data‑driven decision‑making.
What's Covered
1
Data connection types, joins, unions, relationships, data types, field management, and data preparation operations.
2
Visualization types, calculated fields, table calculations, LOD expressions, filters, parameters, sets, and the Tableau order of operations.
3
Dashboard design, layout containers, actions, device layouts, tooltips, stories, formatting, and publishing to Tableau Server/Cloud.
4
Tableau product ecosystem, workbook structure, file formats, Show Me, Marks card, and visualization best practices.
Exam Structure
Question Types
- Multiple Choice
- Multiple Select
- Hands-On Lab Questions
Scoring Method
Percentage-based scoring with a 70% minimum passing threshold
Delivery Method
Pearson VUE online proctored or testing center
Recertification
Recertify every 3 years by passing the current version of the exam.
What's Included in AccelaStudy® AI
Course Outline
50 learning goals
1
Connecting to and Preparing Data
3 topics
Data Connections
- Describe the data connection types in Tableau including file-based (CSV, Excel, JSON), server-based (SQL Server, PostgreSQL, MySQL), and cloud-based (Google Sheets, Salesforce) connectors
- Describe the difference between live connections and extract connections and explain how extracts improve performance by creating a local snapshot of data with configurable refresh schedules
- Implement data connections using joins (inner, left, right, full outer) to combine tables on matching key fields and configure join clauses for multi-table analysis
- Implement unions to append rows from multiple tables with the same structure and configure wildcard unions for automatically combining files matching a naming pattern
- Describe Tableau relationships and explain how the logical layer model differs from physical joins in terms of deferred query generation and granularity preservation
- Analyze data connection strategies and evaluate when to use live connections versus extracts versus data blending based on data volume, refresh requirements, and performance needs
Data Preparation and Organization
- Describe Tableau data types including string, number, date, datetime, boolean, and geographic and explain how Tableau infers and allows manual reassignment of field data types
- Implement data preparation operations including renaming fields, changing data types, splitting columns, pivoting rows to columns, and using the Data Interpreter for messy data cleanup
- Describe the difference between dimensions and measures in Tableau and explain how Tableau categorizes fields as discrete (blue) or continuous (green) and the visual implications of each
- Implement field organization using folders, hierarchies, groups, and aliases to create a clean and navigable data model for end-user analysis
- Implement custom geographic roles by assigning latitude and longitude fields to dimensions for mapping non-standard geographic data that Tableau cannot automatically geocode
Data Blending and Cross-Database
- Implement data blending to combine data from multiple data sources that cannot be joined at the database level using primary and secondary data source linking
- Describe cross-database joins and explain how Tableau connects tables from different database servers or file types within a single data source connection
- Analyze data combination strategies and evaluate when to use joins versus relationships versus blending versus unions based on data granularity and source compatibility
2
Exploring and Analyzing Data
3 topics
Basic Visualizations
- Implement bar charts, stacked bar charts, and side-by-side bar charts to compare categorical data and analyze part-to-whole relationships
- Implement line charts and area charts with date fields on the columns shelf to visualize trends, seasonal patterns, and time-series data at various date granularities
- Implement scatter plots with trend lines, reference lines, and cluster analysis to explore correlations between two continuous measures
- Implement geographic visualizations using filled maps, symbol maps, and density maps with automatic geocoding and custom geographic roles
- Implement histograms, box plots, and bullet graphs to analyze data distributions, identify outliers, and compare actual values against targets
- Implement combined axis charts and synchronized dual axes to overlay multiple measures on a single chart pane for multi-metric comparison
Calculated Fields and Expressions
- Implement calculated fields using arithmetic operators, string functions, date functions, and logical functions (IF/THEN/ELSE, CASE) for custom data transformations
- Implement aggregate calculations using SUM, AVG, MIN, MAX, COUNT, COUNTD, and ATTR functions and explain how aggregation scope is determined by dimensions in the view
- Implement table calculations including running total, percent of total, moving average, rank, and difference to compute values relative to other marks in the visualization
- Describe Level of Detail (LOD) expressions including FIXED, INCLUDE, and EXCLUDE and explain how they compute aggregations at granularities independent of the visualization dimensions
- Analyze calculation type selection and evaluate when to use row-level calculations, aggregate calculations, table calculations, or LOD expressions for different analytical requirements
- Implement LOD expressions using FIXED to compute aggregations at a specified granularity independent of the visualization level of detail for metrics like customer lifetime value
Sorting, Filtering, and Sets
- Implement filtering at data source, context, dimension, measure, and table calculation levels and explain the Tableau order of operations for filter execution precedence
- Implement parameters to create user-controlled inputs that dynamically modify calculations, filters, reference lines, and bin sizes in visualizations
- Implement sets including fixed sets and computed sets with conditions to segment data into in/out groups for comparative analysis and combined set operations
- Analyze the Tableau order of operations and evaluate how filter placement affects computation results for table calculations, LOD expressions, and context-dependent aggregations
3
Sharing Insights
3 topics
Dashboard Design
- Implement dashboards using horizontal and vertical layout containers, tiled and floating objects, and size configuration for fixed, automatic, and range-based responsive layouts
- Implement dashboard actions including filter actions, highlight actions, URL actions, and parameter actions to create interactive analytical experiences
- Implement device-specific dashboard layouts for desktop, tablet, and phone to optimize the user experience across screen sizes and interaction modes
- Implement tooltip customization including viz-in-tooltip to provide contextual detail on hover without consuming dashboard space
- Analyze dashboard design principles including visual hierarchy, cognitive load reduction, and information density and evaluate layout strategies for different analytical audiences
- Implement dashboard navigation buttons and image objects to create intuitive user interfaces with custom branding and guided analytical flows between dashboards
Stories and Formatting
- Implement Tableau Stories with story points to create guided data narratives that walk audiences through a sequence of findings and conclusions
- Implement visual formatting including color palettes, mark labels, annotations, reference lines and bands, custom number formats, and axis configuration for polished presentations
Publishing and Sharing
- Implement workbook publishing to Tableau Server or Tableau Cloud with embedded credentials, extract refresh scheduling, and user permission configuration
- Implement published data source sharing to enable centralized data governance with reusable, certified data sources across multiple workbooks and analysts
- Describe export options including PDF, image, crosstab, and Tableau packaged workbook (.twbx) formats and explain when each format is appropriate for different sharing scenarios
4
Understanding Tableau Concepts
3 topics
Tableau Product Ecosystem
- Describe the Tableau product family including Tableau Desktop, Tableau Server, Tableau Cloud, Tableau Prep, and Tableau Public and explain the role of each in the analytics workflow
- Describe Tableau workbook structure including worksheets, dashboards, and stories and explain the relationship between data sources, sheets, and the Tableau file formats (.twb, .twbx, .tds, .tdsx, .hyper)
Visual Best Practices
- Describe Show Me recommendations and explain how Tableau suggests appropriate chart types based on the data types and cardinality of fields placed on shelves
- Describe the Marks card components (color, size, label, detail, tooltip, shape) and explain how each property encodes additional data dimensions in a visualization
- Analyze visualization type selection and evaluate when to use bar charts, line charts, scatter plots, maps, treemaps, or heat maps based on the analytical question and data characteristics
- Describe the difference between discrete and continuous date parts and explain how switching between date granularities as discrete headers versus continuous axes changes visualization behavior
Performance and Data Management
- Describe extract filters and aggregation options and explain how filtering at extract creation time reduces data volume and improves workbook performance
- Analyze workbook performance using the Performance Recording feature to identify slow queries, long-running calculations, and inefficient visualization configurations
- Describe Tableau's order of operations and explain how the sequence of extracts, data source filters, context filters, sets, dimension filters, measure filters, and table calculation filters affects query results
Certification Benefits
Salary Impact
Related Job Roles
Industry Recognition
The Tableau Desktop Specialist is Tableau's entry-level certification validating foundational visual analytics skills. As the leading data visualization platform, Tableau certification is widely recognized across industries and serves as a stepping stone to the Tableau Data Analyst and Server Certified Associate credentials.
Scope
Included Topics
- All domains in the Tableau Desktop Specialist exam: Connecting to and Preparing Data (25%), Exploring and Analyzing Data (35%), Sharing Insights (25%), and Understanding Tableau Concepts (15%).
- Data connection types including live connections, extracts, joins, unions, blending, and relationships across file-based and database sources.
- Data preparation including data type management, field renaming, splitting, pivoting, and using the Data Interpreter for cleanup.
- Visual analytics including chart types (bar, line, scatter, map, treemap, heat map, histogram, box plot), reference lines, trend lines, forecasting, and clustering.
- Calculated fields, table calculations, LOD expressions (FIXED, INCLUDE, EXCLUDE), parameters, sets, and groups for advanced analysis.
- Dashboard design including layout containers, actions (filter, highlight, URL), device-specific layouts, tooltips, and story creation.
- Publishing to Tableau Server and Tableau Cloud including permissions, data source publishing, and content sharing.
Not Covered
- Tableau Server and Tableau Cloud administration, site configuration, and user management.
- Tableau Prep Builder data preparation workflows beyond what is covered in Desktop.
- Advanced statistical modeling, R/Python integration, and TabPy analytics extensions.
- Tableau JavaScript API, Embedding API, and custom web application integration.
- Enterprise deployment architecture, scalability planning, and performance tuning for Tableau Server.
Official Exam Page
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