Lately, I have received a few questions around ways to combine data in Salesforce Wave. Previous posts have covered combining internal and external data with data flow transformations. If combining data while loading is not an option, there are other ways to get the results you need. While the group statement is a staple of SAQL, its sibling cogroup has a staring role when combining multiple input streams. Let's take a closer look at cogroup and how we use it to combine two datasets.