![[Solved] CIND119 Assignment 3-Querying a NoSQL database using MongoDB](https://assignmentchef.com/wp-content/uploads/2022/08/downloadzip.jpg)
Querying a NoSQL database using MongoDB
Complete this assignment using MongoDB.
- Create a database called sample. (1 point)
- Create a collection called test_data and load the following data into the collection. (6 points)
| class | age | menopause | deg_malig | breast | breast_quad | irradiat |
| NO | 35 | premeno | 3 | left | left_low | no |
| NO | 42 | premeno | 2 | right | right_up | no |
| NO | 30 | premeno | 2 | left | left_low | no |
| NO | 61 | ge40 | 2 | right | left_up | no |
| NO | 45 | premeno | 2 | right | right_low | no |
| NO | 64 | ge40 | 2 | left | left_low | no |
| NO | 52 | premeno | 2 | left | left_low | no |
| NO | 67 | ge40 | 1 | left | left_low | no |
| YES | 41 | premeno | 2 | left | left_low | no |
| YES | 43 | premeno | 2 | right | left_up | no |
| YES | 41 | premeno | 3 | left | central | no |
| YES | 44 | ge40 | 2 | left | left_low | no |
1 of 2
| YES | 61 | lt40 | 1 | left | right_up | no |
| YES | 55 | ge40 | 3 | left | right_up | no |
| YES | 44 | premeno | 3 | left | left_up | no |
- Write MongoDB queries to select/compute data from the test_data collection. (2 points each)
- Select all rows where the menopause column has the value ge40.
- Select all rows where age is less than 41.
- Select all rows where age is less than 41 or the menopause column has the value ge40.
- Compute the average age across all rows.
Reference: Full dataset available at GroupLens
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