Learn Tableau

Data extraction is the process of making a local copy of data from a data source in Tableau. This copy, known as a data extract, can be used to boost Tableau performance by minimising the...

Tableau can connect to a wide range of data sources, including: In order to connect to a data source, Tableau requires a connection string or URL and may also require authentication credentials. Tableau also offers...

IIn Tableau, a join is a way to combine data from multiple sources into a single data set. Joins are useful when you have data that is related but stored in different tables or files....

Tableau allows users to create custom functions using the Tableau Function Language (TFL). These user-defined functions, also known as UDFs, can be used in calculated fields to perform custom calculations or manipulations on data. To...

In Tableau, aggregate functions are used to perform calculations on a set of values and return a single result. Here are some common aggregate functions that are used in Tableau: Aggregate functions can be used...

Tableau includes several logical functions that can be used to test conditions and return a boolean value of true or false. These functions can be used in calculated fields, filters, and other parts of Tableau...

Tableau has a variety of date functions that you can use to manipulate date and time data in your dashboards and reports. Some common date functions in Tableau include: Here’s an example of how these...

Tableau provides a number of string functions that allow you to manipulate and analyze string data in your visualization. Here are some common string functions that you might use in Tableau: You can use these...

In Tableau, operators are symbols that are used to perform specific calculations or comparisons in a calculation. Here are some common operators that you might use in Tableau: You can use these operators in Tableau...

A Tableau dashboard is a single interface that combines multiple worksheets and other interactive elements, such as filters and parameters. Dashboards allow you to present your data in a clear and straightforward manner, and they...