Yeah for http://oilshell.org/ http://oilshell.org/ I am planning to use the model of "data frames", which I compare to SQL here: What Is a Data Frame? (In Pyth

Yeah for http://oilshell.org/ http://oilshell.org/ I am planning to use the model of "data frames", which I compare to SQL here: What Is a Data Frame? (In Python, R, and SQL) http://www.oilshell.org/blog/2018/11/30.html http://www.oilshell.org/blog/2018/11/30.html I think starting with either SQL or data frames would be a good choice. They are similar except data frames also focus more on mathematical modeling, and data frames usually don't have indices. Otherwise they both have selection/projection, sorting, various kinds of joining, etc. Data frames also have vectorized arithmetic. I am trying to reuse the designs that have proven to work over time (R, SQL, bash) rather than inventing new variants with potentially needless differences.