The third of Tableau's learning notes

1.Tableau can connect a variety of data and databases, such as Txt,xls,mdb,sql server,oracle, etc.

2.Tableau can also paste data from the Clipboard

3. Understanding of dimensions and measures:

1) Dimensions represent the dimensions of an object, such as a product with a name, number, production date, etc.

2) A measure represents an object's properties, such as a product's size, sales, etc.

3) in Tableau, dimensions and measures can be interchanged, sometimes constrained by data types, by modifying the data types of dimensions and measures, and then converting to each other, dimensions can be converted to measures, measures can be converted to dimensions

4. The following is an analysis of Sample-superstore.xls:

1) When loading the Sample-superstore.xls dataset, Tableau 9.0 displays the loading interface: The currently selected orders, in this loading interface, you can modify the field name of the data in the table, that is, the dimension or measure name

2) Open the worksheet that corresponds to the orders data:

3) display the states dimension and the sales metric:

The third of Tableau's learning notes