Technical Interview Questions
We can connect the datasets in two ways, such as: Live: Live connection sends queries to your database and retrieves data. These queries will return whatever data is currently in the database. Extract: Extracts connection saved subsets of data that use to improve performance or to take the advantages of Tableau functionality which are not … Read more
In Tableau, you can join an atmost 32 tables. In Tableau, there isn’t a strict limit on the number of tables you can join in a single query. The number of tables you can join depends on the performance of your data source, the complexity of your joins, and the available system resources. However, it’s … Read more
Tableau expresses fields and assigns data types automatically. If the data source appoints the data type, Tableau will use that data type. If the data source doesn’t individually assign a data type, Tableau will assign one. Tableau consist of the following data types: Date values Text values Numerical values Date and time values Boolean values … Read more
There are several types of data terminologies in Tableau, such as: Bookmark: A .tbm document in the bookmarks folder in the Tableau repository that contains a single worksheet. It helps in improving data analysis. Unlike, web browser bookmarks, .tbm files are a compatible way to display various studies quickly. Workbook: A workbook is a file … Read more
There are five tools in Tableau, such as: Tableau Desktop: Tableau Desktop establish connectivity between the Data Warehouse and other various types of files. The dashboards and the workbooks created here can be either shared locally or publicly. It allows us to code and customizes reports. Right from establishing the stories, charts to blending them … Read more