Potential use case: high throughput transactional

### What are the typical use cases?

Fast simple inserts and queries. Ingestion is a big thing. Differs from the RT use case because RT is more about parallelism.

## Communication goals (e.g. detailed howto vs orientation)

People see worse performance than they should when they fail to include shard_key in selects.

### Good locations for content in docs structure

We need to determine if this is a bona fide "use case." If so, add a new entry to the use cases section.

## How does this work? (devs)

### Example sql

### Corner cases, gotchas

### Are there relevant blog posts or outside documentation about the concept/feature?

I think Ozgun calls this NoSQL++ and may have some examples in slides.

### Link to relevant commits and regression tests if applicable