When operating Tableau Server, you may encounter various technical issues, such as slow dashboard loading speeds or extract refresh failures on specific nodes. To resolve these problems based on logic rather than intuition, it is essential to accurately understand how Tableau Server works internally—specifically, its Architecture. In this post,

Tableau offers a variety of APIs for different purposes such as automation, integration, and extension. However, because there are so many API types—each with its own goals—it can be difficult for first-time users to decide which API to use. This post briefly introduces Tableau’s APIs and summarizes

When setting up dashboard actions in Tableau, you might sometimes create multiple actions with the same trigger condition. For example, both actions may filter by the Category field, but each targets a different dashboard. Action NameTrigger ConditionTarget Sheet (or Dashboard)Action AOn selecting CategoryTarget AAction BOn selecting CategoryTarget B In

Users who are accustomed to Excel’s high degree of flexibility often store different types of tables within a single worksheet. While the standard approach for importing such data into Tableau is to separate each table into its own worksheet, you can instead use Excel’s Name Manager feature to

When building visualizations in Tableau, there are times when you need precise control over how numbers are displayed. For example, you may want to simplify figures by displaying them in millions, add specific suffixes, or format negative numbers with parentheses. To meet these needs, Tableau provides the Custom Number Formatting

When converting a date to a number in Excel, Google Sheets or Tableau, you'll notice that the value 1 represents a specific point in time. In Excel, that number corresponds to January 1, 1900, but in Google Sheets and Tableau, it points to December 31, 1899. Why do

An introduction to Tableau Next, the newly released analytics platform from Tableau.

In our daily lives, we often see "Number" abbreviated as "No.". For example, when creating a list or indicating order, we use "No. 1," "No. 2," and so on. But if you look closely, the word "Number" doesn't contain the letter 'o' at all. So, why did "No." become the abbreviation for "Number"?

This is a method you can use when writing calculated fields that compare against a specific date.

This post explains the confusing aggregation options that often appear when working with date fields in Tableau.

Many people assume that blue fields are dimensions and green fields are measures. While this assumption often holds true, it’s not technically accurate. In this post, we’ll break down what these colors actually mean and how understanding them can improve your visualizations.

LOD expressions allow you to perform calculations at a specific level of granularity, independent of the aggregation level currently used in your visualization. Among them, FIXED is a particularly useful function that lets you fix aggregations at a dimension level defined by the user.

This article explains the key functional differences between Tableau Public and Tableau Desktop from the perspective of dashboard creation.

This guide explains how to run Tableau Desktop without signature verification while developing a Tableau connector for a new data source.

This post explores the advantages depending on where the view is rendered.

This section explains the differences between the Standard Gregorian and the ISO-8601 Week-Based in date calculations.

Business Intelligence(BI) refers to the entire process that a company uses to make informed business decisions. BI involves several key steps, including collecting data from various internal and external sources, transforming it into meaningful insights, and then visualizing it to help guide decision-making. Data collection can include not only

Here’s how you can verify whether your Tableau Server is configured to use ATR (Authorization-To-Run).

Here's way to open links from URL actions and web URLs in separate browser tabs and not in the same view or dashboard.

This is the URL pattern that gets generated when you publish a view to Tableau Server or Tableau Cloud.

This post introduces the difference between two basic sorting options in Tableau that sort purely by the field’s values.

This method explains how to connect Placeholder data, giving you more flexibility—similar to Excel—and enabling a broader range of visualizations.

This post will introduce the basic concepts behind Tableau connectors and explain the fundamentals of ODBC and JDBC connection methods.