Aggregation

1. Aggregation framework
2. A Processing Pipeline
3. Pipeline Operators
4. Example: Insert data
5. Show data
6. Group by name and sum - $sum
7. Group by name and caluclate average $avg
8. Group by name $max, $min
9. Group by name and count
10. All the elements - sum
11. All the elements - sum
12. $match (filter)
13. $match (filter) and the total
14. $match with $gt
15. $group with $push
16. New data set
17. New data set
18. $unwind
19. $unwind and $group
20. $unwind and $group and $sort
21. $match
22. $match and $unwind and $group