---
title: "Rollup"
description: "Rollup"
position: 42
category: "Usage"
menuTitle: "Rollup"
---

## Rollup

Sample simple Organization structure:

- 5 verticals, each vertical has a team name & associated team code
- 5 employees working at different verticals
- Vertical **has many** Employees : relationship has been defined

![LookUp](https://user-images.githubusercontent.com/86527202/144038845-402d5401-a214-4166-bc07-fcf8dcc8a961.png)

### RollUp AGGREGATION functions supported

- Count
- Minimum
- Maximum
- Average
- Sum
- Count Distinct
- Sum Distrinct
- Average Distinct

Now, we can explore how to extract employee count information per vertical using **"ROLLUP"** columns

## Adding a rollup column

### 1. Add new column

Click on '+' icon to the left of column headers in Verticals table

![1](https://user-images.githubusercontent.com/86527202/144236273-484edc5b-7f5f-4041-b480-db08d4459d07.png)

### 2. Feed column name

![2](https://user-images.githubusercontent.com/86527202/144236279-41904955-4990-4a23-bec6-b0953002eac6.png)

### 3. Select Column type as 'Rollup'

![3](https://user-images.githubusercontent.com/86527202/144236283-4596e3e1-3bf8-488f-bc9b-8ec1466a35c6.png)

### 4. Choose Child Table

Table Employee in our example

![4](https://user-images.githubusercontent.com/86527202/144236284-301178d8-f452-4d1e-9dff-80dd9570c280.png)

### 5. Choose on ​Child column

Pick appropriate column for aggreagation

![5](https://user-images.githubusercontent.com/86527202/144236286-28547d74-feb8-4ad8-a872-7ba809e5db1e.png)

### 6. Select ​Aggregate function

Aggregate function will be "count" in our case

![6](https://user-images.githubusercontent.com/86527202/144236288-34a567d5-a5e9-4a1e-b074-5ea633e799a3.png)

### 7. Click on Save

![7](https://user-images.githubusercontent.com/86527202/144236289-5872529a-ba47-428d-979e-fdefb92a1039.png)

### 8. Column TeamCount is populated with appropriate information

![8](https://user-images.githubusercontent.com/86527202/144236291-52855f92-ad8b-4be1-aa98-b5cfdb1ee108.png)