iCIMS Senior Data Analyst Interview Questions and Answers

Types of Joins in SQL include Inner Join, Left Join, Right Join, and Full Outer Join.

• Inner Join: Returns rows when there is a match in both tables.

• Left Join: Returns all rows from the left table and the matched rows from the right table.

• Right Join: Returns all rows from the right table and the matched rows from the left table.

• Full Outer Join: Returns rows when there is a match in either table.

Optimizing Tableau dashboard involves improving performance, usability, and visual appeal.

• Limit the number of worksheets on a dashboard to improve performance

• Use filters and parameters effectively to allow for interactivity

• Optimize data source connections for faster loading times

• Utilize dashboard actions to create dynamic interactions

• Design with user experience in mind to ensure clarity and ease of use

Different types of LOD functions include INCLUDE, EXCLUDE, and FIXED.

• INCLUDE LOD function is used to compute the level of detail for a specific dimension while keeping all other dimensions constant.

• EXCLUDE LOD function is used to compute the level of detail for all dimensions except the specified dimension.

• FIXED LOD function is used to compute the level of detail independently of the visualization's dimensions.

• Examples...read more