list of questions 1.what is Assume referential integraty? 2.What is Pageshelf? 3.what is default Data Blending Join? 4.Max no.of records in a Table? 5.Difference between scattere plot vs Tree map? 6.Types of filters? 7.types of annotations? 8.how to change null values as n/a in view?
Below are the answer's.
2.What is Pageshelf?
Page shelf is type of shelf which can break the data in to points & can represent the data in an animated format. In Page shelf you can even predict or forecast based up on the existing data. This Forecast option is implemented in TAbleau 8.0 Version
3.what is default Data Blending Join?
Getting the data from multiple sources is called Data Blending. To blend the data you should have relationship between two Data sources.
By default Data blending is inner join
4.Max no.of records in a Table? No limit rows/column
5.Difference between scattere plot vs Tree map? Sacttered plot can be drawn on two Measure. to represent data in scattered plot you should have two measure & one Dimension.
Treemap needs one Dimension & no need of measure.
6.Types of filters?
Normal Filter Quick Filter Data Source Filter Context Filter
7.types of annotations?
Annotations are comments . Types of annotations are
Mark Annotations Point Annotations Area Annotations
8.how to change null values as n/a in view?
Double click on null Values
eg: If a dimension (country) is placed on the page shelf- each country will have one page
Left Outer Join
instead of types better give ans like how many ways we can filter the data.
Mark, Point, Area
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