From what I can tell, Arquero looks to be intended to provide an SQL-like interface to querying tabular data and is in a very imperitive format, do this, then with that do this, etc.
DTL, on the other hand, doesn't require your data to be in any particular format or quantity. It is designed to work with whatever data you have and is really intended for data transformation, rewriting data between formats.
Apart from that, DTL is designed to be self-contained and portable, meaning you can use DTL transforms server or browser side, you can transfer them, you can store them in DBs. Their definition is not Javascript and what DTL transforms can do is transform input data and that's all. They have no system or javascript access, which means they are far more secure to use than the equivalent javascript code.
I personally think that for most uses DTL is suited for, it is substantially easier to understand than even the equivalent javascript code.
DTL Transforms are essentially formulas for how to arrive at your desired data, where imperative code is more of a 'do this, then do this, then do this' which is significantly harder to anticipate / understand the result of.
From what I can tell, Arquero looks to be intended to provide an SQL-like interface to querying tabular data and is in a very imperitive format, do this, then with that do this, etc.
DTL, on the other hand, doesn't require your data to be in any particular format or quantity. It is designed to work with whatever data you have and is really intended for data transformation, rewriting data between formats.
Apart from that, DTL is designed to be self-contained and portable, meaning you can use DTL transforms server or browser side, you can transfer them, you can store them in DBs. Their definition is not Javascript and what DTL transforms can do is transform input data and that's all. They have no system or javascript access, which means they are far more secure to use than the equivalent javascript code.
I personally think that for most uses DTL is suited for, it is substantially easier to understand than even the equivalent javascript code.
DTL Transforms are essentially formulas for how to arrive at your desired data, where imperative code is more of a 'do this, then do this, then do this' which is significantly harder to anticipate / understand the result of.