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A lot of relational databases offer a better (or more useful) consistency model than k-v stores, assuming your data isn’t just a bunch of keys and values. Havin

A lot of relational databases offer a better (or more useful) consistency model than k-v stores, assuming your data isn’t just a bunch of keys and values. Having to worry about consistency can significantly your worsen complexity of your application code.

bluepizza 4y ago
MongoDB is complex, that’s true. But DynamoDB or GCP Bigtable are pretty simple.
- pjmlp 4y ago
  Simple indeed, they don't even offer anything that matches SQL flexibility.
  - bluepizza 4y ago
    Exactly my point. If the argument is to avoid unnecessary complexity, then how come a SQL database is the better choice?
    - pjmlp 4y ago
      Because not having proper query language turns simple wishes into complex solutions.
      - icod1 4y ago
        But it does have way to query, if you of course only know SQL and didn't bother to learn the MongoDB way to query then for you, the uninformed outsider, it might seem complex. But so does ArangoDB or Neo4j or GraphQL. Like, if you were never exposed to rxjs and are now trying to build things with it doing $stream.pipe( switchmap(), filter(), etc(), ) It does seem more complex than stream.map().filter().etc() but it's only so because you haven't put in the effort to learn that way.
        pjmlp 4y ago
        Sure, whatever. Now write DBA scale ISO SQL 2016 / Transact SQL / PL/SQL in that interesting Mongo flavoured language, including database engine debugger integration, and JIT compilation.
- icod1 4y ago
  1. MongoDB is not complex, the driver structure sucks. Example Go's mgo driver by Gustavo Niemeyer was simple and effective, but abandoned. The official drivers is unnecessarily complicated. And Go's need to have "context" everywhere adds to this, but MongoDB is not complex. Idk I'm not some super genius and picking up MongoDB was really easy. Querying (aka aggregation pipelines), you have to think of that as "pipes in bash". It's in the words aggregation pipelines. find | groupby | sort | filter | select. Something like that. It's not SQL it's different, but not complex, sorry.
- sausagefeet 4y ago
  In what context? A hosted database might be "simpler" to operatoe, but BigTable is quite complicated and does a lot of complex, low-level, work to be very fast.

bluepizza 4y ago

MongoDB is complex, that’s true. But DynamoDB or GCP Bigtable are pretty simple.

pjmlp 4y ago
Simple indeed, they don't even offer anything that matches SQL flexibility.
- bluepizza 4y ago
  Exactly my point. If the argument is to avoid unnecessary complexity, then how come a SQL database is the better choice?
  - pjmlp 4y ago
    Because not having proper query language turns simple wishes into complex solutions.
    - icod1 4y ago
      But it does have way to query, if you of course only know SQL and didn't bother to learn the MongoDB way to query then for you, the uninformed outsider, it might seem complex. But so does ArangoDB or Neo4j or GraphQL. Like, if you were never exposed to rxjs and are now trying to build things with it doing $stream.pipe( switchmap(), filter(), etc(), ) It does seem more complex than stream.map().filter().etc() but it's only so because you haven't put in the effort to learn that way.
      - pjmlp 4y ago
        Sure, whatever. Now write DBA scale ISO SQL 2016 / Transact SQL / PL/SQL in that interesting Mongo flavoured language, including database engine debugger integration, and JIT compilation.
icod1 4y ago
1. MongoDB is not complex, the driver structure sucks. Example Go's mgo driver by Gustavo Niemeyer was simple and effective, but abandoned. The official drivers is unnecessarily complicated. And Go's need to have "context" everywhere adds to this, but MongoDB is not complex. Idk I'm not some super genius and picking up MongoDB was really easy. Querying (aka aggregation pipelines), you have to think of that as "pipes in bash". It's in the words aggregation pipelines. find | groupby | sort | filter | select. Something like that. It's not SQL it's different, but not complex, sorry.
sausagefeet 4y ago
In what context? A hosted database might be "simpler" to operatoe, but BigTable is quite complicated and does a lot of complex, low-level, work to be very fast.