The dataset is designed within the report by specifying the data item field's columns and their properties. They have a big influence from a qualitative perspective (in which format is data exported?) and from a quantitative perspective (how many rows are processed?). Both have a clear impact on report performance.
A short example is represented by decimal data types. When specifying a decimal data type in a dataset, two fields are always included: the decimal data and its formatting. This means that, together with the decimal field, you always have a repeated text variable tightly bound to it. This would increase the dimension of the dataset and, consequently, influence report performance.
What could be the ...
