A common question I get is how to prepare for Tableau Interviews? If you are new to Tableau or starting a career in IT, preparing for interviews can be a daunting task. In this blog I will share some tips that will help you. Before starting, I will encourage you to read my tips on […]
As part of Tableau Questions and Answers series, I am asking questions related to Tableau and data warehousing concepts. One question is what are steps to start a dashboarding project using Tableau. I will encourage my students and other readers to explore the answers and reply with comments. ————————– Can you please let me know what all […]
As part of Tableau Questions and Answers series, I am asking questions related to Tableau and data warehousing concepts. I will encourage my students and other readers to explore the answers and reply with comments. —————————————————————– I am looking for a BI solution for my fictitious company AWC Inc. My objective is to know the status for […]
Donut chart is a variation of a Pie chart. Donut chart is more clear than a Pie chart where the size of the pie’s does not present clear picture to the user. I will show you how to create a Donut chart in Tableau. Pie and Donut chart are both used to display the percentage […]
This post discusses how to structure data for Tableau, as well as common mistake while structuring data. What is data? Data is information stored in digital format for efficient storage and retrieval. Data can be stored in different formats, excel, csv files, relational database schemas, star schemas, snowflake schema and unstructured data like Fb, twitter […]
We can create maps in Tableau to analyze the data based on geographical locations. The map based analysis provide more enhanced and realistic picture of the data. We can create any level of maps in Tableau. To create a map, you need longitude and latitude of the geographical location. I will go on to show […]
In Tableau, when you load data with geographical locations, Tableau automatically generates Latitude and Longitude for these geographical fields. These Latitude(generated) and Longitude(generated) fields are used to create a Map. I will show you how to plot specific addresses on a map in Tableau. These generated Latitude and Longitudes are good for Country, State, County […]
Branding of Tableau server involves changing the look and feel of the application according to your corporate requirements. In Tableau, Branding is available only at the Server level. Site level branding is not available. Branding of Tableau Server The following types of changes can be done to the Tableau Server Change the Tableau server name […]
In the last block we saw Joins in SQL. In this blog, we will see how to do Joins in Tableau. Joins in Tableau Tableau uses 4 types of Joins: Step 1: Create an Excel file by naming the file “Sample.xlsx and Create two sheets with Table 1 and Table 2. Step 2: Launch Tableau […]
Joins in SQL are used to combine two or more tables. It returns the matching rows from the combined tables by using reference column in both the tables. Types of Joins: Inner Join: Inner join or Equi-join, returns rows from the both the tables based on the matching values of the columns. Example: Below we […]
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