But a view also does that? Like, if you want to assemble information about a user from several different tables, you can have a view that does the join for you.
Sure, but people never use those. Also it gets back to the discoverability issue. The ORM documents relationships with the rest of the model code, if you have a poorly named view in a large, complex schema it may be hard to find. You could reinvent the wheel easily.
Like everything with SQL, you can solve the problem but sometimes the solution isn't elegant. People want elegance.
Essentially all of the actual information is encoded in the foreign key constraints (in combination with uniqueness constraints.) What ORMs provide that SQL doesn’t isn’t much encoding of information (they usually have facilities to distinguish data tables from pure join tables, and to distinguish 1:1 and 1:M, (M>0) relations from 1:(0-1) and 1:M, (M>=0) ones, so they do encode some additional information), but provide convenient syntactic shorthands for the client to use the encoded relationships.
To be completely honest, I forgot who was it, but about a year or 2 ago someone posted about a sql alternative language. The goal was to be adaptable to be used in all sql application, but a better designed language so that things like a calculation in a select can be reused in another select column, and better structure to make things easily reusable or composable, etc.
Just a new language to replace sql, that is still sql but just better designed with the benefit of 30+ years of language design improvements.
Another example: ClickHouse supports standard SQL with many features such as window functions, SQL/JSON, and extends it to make it convenient for data analysts by adding: - higher-order functions; nested data structures, arrays, tuples, and maps; aggregate function states as first-class citizens, unrestricted usage of aliases in any place of expression, etc.
I'm an everyday user of ClickHouse, and I'm finding its SQL implementation the most pleasant to use! Although it's unsurprising, because I'm also one of its authors... I'm also welcoming innovation and improvement of SQL without the introduction of a completely different language.
ClickHouse is one of those technologies I've had half an eye on for a while.
In your completely unbiased opinion (I kid), do you think it's a good choice for the following problem?
I have multiple sensors that read different types of data about the same subject at (annoyingly) slightly different intervals, usually a few dozen times a second. This needs to be combined with other event data that happens on the order of a few times per day.
Currently I analyze this data in Python, R, and sometimes SAS (a weird proprietary language). Some coworkers use Matlab.
Is that a ClickHouse problem? If I tried it out would the ClickHouse community be interested in hearing how it goes?
Like everything with SQL, you can solve the problem but sometimes the solution isn't elegant. People want elegance.