The previous section explained the concept of creating custom aggregations. The custom aggregation was then compared to T-SQL script, calculating the same value as the statistical moment. It is not straightforward to decide which is a better way of working. When custom aggregation is developed, it's very simple to use this in the same way as built-in aggregate functions. However, the development of the custom aggregation becomes tricky very quickly, especially when a database developer is not familiar with .NET concepts and languages such as C#. Consequently, the first limitation that we face is in the development itself.
Limitations and performance considerations
Development issues and risks
As mentioned in the introduction...