
Placiq
Platform for practice database internals
What it does
PlaciQ is a platform for mastering SQL through real performance, not just correct results. We help developers, students, and data professionals go beyond writing working queries to understanding how queries execute, scale, and optimize in real database engines. There B2B assessment solution will evaluates how candidates and teams write, analyze, and tune queries under realistic conditions, enabling companies to hire and upskill with confidence.
Does a similar job
all alternatives →- IWI wrote a RDBMS (SQLite clone) from scratch in pure Python2023 · github.com · ▲371
I wrote a relational database management system (RDBMS) (sqlite clone) from scratch in pure Python.


- AWArroyo – Write SQL on streaming data2023 · github.com · ▲115
Hey HN, Arroyo is a modern, open-source stream processing engine, that lets anyone write complex queries on event streams just by writing SQL—windowing, aggregating, and joining events with sub-second latency. Today data processing typically happens in batch data warehouses like BigQuery and Snowflake despite the fact that most of the data is coming in as streams. Data teams have to build complex orchestration systems to handle late-arriving data and job failures while trying to minimize latency. Stream processing offers an alternative approach, where the query is compiled into a streaming…
- SPSQL Polyglot2023 · codapi.org · ▲53
Try running a query anywhere from PostgreSQL to DuckDB without leaving your browser.

More dev tools this month
the category →



OpenTrailPaper is open-source bike computer firmware for the LilyGO T5S3 4.7" E-Paper PRO. It supports offline maps, GPX routes, FIT recording and Bluetooth sensors.
Dev tools · 2d ago · opentrailpaper.com

Open-source GTM skills for technical founders
Dev tools · 30d ago · gtmcofounder.com
