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sgarland 3 daysReload

> Most relational database management systems do not support nested records, so tables are in first normal form by default. In particular, SQL does not have any facilities for creating or exploiting nested tables. [0]

“Not with that attitude.”

– frectonz

[0]: https://en.wikipedia.org/wiki/First_normal_form

aerzen 3 daysReload

Ok, hear me out: what if we make something that takes a postgres database dir, tars it together and encodes it as a binary blob in SQLite?

We could have SQLite within postgres within sqlite within postgres! Is it practical or even slightly useful? Of course not - but it's SQL databases all the way down. Not that this is a good thing in itself.

robertclaus 3 daysReload

What are the use cases for this? I can't imagine designing a database schemas to use this in a typical product. Is it intended for hybrid applications to back up local user data directly with their account info?

ecuaflo 3 daysReload

I think SQLite columns for SQLite would be superior to SQLite’s JSON columns whose operators are a whole ‘nother query language you need to learn and seem comparatively limited.

simonw 3 daysReload

They /tmp file mechanism sounds like a bit of a hack, is that definitely necessary?

It may be possible to create a SQLite in-memory database instead and then load the binary blob data into it using the backup API or some kind of trick with VACUUM INTO.