Cool! On Monday, September 21, 2020 at 5:15:00 AM UTC-4 Edward K. Ream wrote:
> On Mon, Sep 21, 2020 at 3:05 AM jkn <[email protected]> wrote: > > Interesting stuff, thanks for this. I shall have to read more about the >> 'Associative Model of Data'. >> > > That might be fun. I took a quick look years ago. > > However, there is no great need to do so. Speed's insight is that using > Leo as a DB is a *whole lot* easier than doing a "real" DB. No need for > all the "abilities" (Reliability, Availability, Serviceability, > Serviceability, Scalability, etc) that a real DB must obsess over. Just > back up your .leo file one in a while :-) > > Couple of quick corrections etc. on the posting: >> >> 1) you have two definitions for 'USE MyDatabase' in the section >> "leo_database.py handles SQL queries' >> > > Thanks. Just at present I am not able to edit the post. > >> 2a) so does each 'table' node necessarily have exactly three children? >> Would be worth saying so is so >> > > I don't know for sure. Presumably, that depends on Speed's scripts. I > might have used another way, say with @meta, @column and @contents nodes. > > 2b) Does the Child1 metadata consist only of information as to whether the >> Child3 body is data, or a link? If so, would be worth saying. >> > > Again, I don't know. Again presumably, the answer is that the data is > similar to whatever the "standard" way describing DB's is. I don't know > what that standard way is, but Speed said there is such a way, and it uses > 3-tuples. > > Speed is still looking for the missing scripts. I hope he can find them. > The scripts contain the implicit answers to your questions. If Speed can't > find them, I think a project to recreate them would be in order. We can > then choose for ourselves how we answer your questions. > > Edward > -- You received this message because you are subscribed to the Google Groups "leo-editor" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/leo-editor/6c52be74-975f-4423-afa0-dda43942b313n%40googlegroups.com.
