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Earlier sources: Databases
Databases organize information for storage and retrieval. Follow relational and nonrelational systems, query engines, indexing, replication, and operational tools; performance claims depend on workload and configuration.
SYMTRI organizes observations from public sources into a living map. Connections reflect shared subject matter; they do not establish causation or endorse a source.
Open in the map ↗99 classified signals in the fourteen-day window. These counts include signals awaiting readable evidence.
Earlier sources
Up to ten sources with readable evidence, ordered by their feed timestamp. These archive sources can be older than the live fourteen-day window. This list is a sample, not a measure of total activity. Dates distinguish paper publication, repository creation, model/dataset activity, Hacker News posts, and KEV catalog additions. “First archived” records when SYMTRI first stored the signal.
- GitHub · Repository created · First archived
becoolme/openuptime ↗
Open-source uptime monitoring and status pages on Cloudflare Workers + Postgres, or one Docker container
- Hacker News · Posted on Hacker News · First archived
Postgres FDW: Pushdown is a negotiation ↗
Hacker News discussion.
- Hacker News · Posted on Hacker News · First archived
Thirty Years That Shaped Postgres Architecture ↗
Hacker News discussion.
- Hacker News · Posted on Hacker News · First archived
Show HN: A Tailscale identity-aware gateway for Postgres and ClickHouse ↗
Hacker News discussion.
- Hacker News · Posted on Hacker News · First archived
Show HN: DuckOnWire – Share one DuckDB file over Postgres wire and Quack ↗
Hacker News discussion.
- GitHub · Repository created · First archived
cristipufu/culprit-sql-studio ↗
Find what's slowing your database down: a free desktop app, CLI and MCP server for SQL Server, PostgreSQL, MySQ, MariaDB and SQLite performance (slow queries, execution plans, indexes, blocking, deadlocks).
- GitHub · Repository created · First archived
kursad-can/data-engineering-interview-practice ↗
320 Data Engineering interview exercises with solutions and validation tests using SQL, Python, Pandas, and PySpark.
- Hacker News · Posted on Hacker News · First archived
How we migrated Clera's 500 GB production Postgres database overnight ↗
Hacker News discussion.
- GitHub · Repository created · First archived
MohammedRaslan/sync-forge ↗
Local tool to build, run and verify data sync jobs between PostgreSQL, MySQL, MongoDB, Cosmos DB and CSV files, without one-off scripts. Map fields, join across databases, preview and dry-run, then compare source and target.
- Hacker News · Posted on Hacker News · First archived
Show HN: SqlFlow – Durable Workflows Backed by PostgreSQL or SQL Server ↗
Hey HN! I have built SqlFlow, which is an open-source durable workflow engine backed by PostgreSQL or SQL Server, with SDKs for .NET, Java, Python, and Go. Workflows support retries, checkpoints, rate limitng, scheduling, and suspension while waiting for events. It took a large deal of inspiration from Absurd, but it expands on the core concepts. Instead of polling the database, it supports native database features such as PostgreSQL LISTEN / NOT…
Live window recorded . This is the ingestion observation time, not the publication or discovery date of each source.
How to assess evidence about Databases
Check each original source for its methods, release status, limitations, and supporting data. A repository announcement, a preprint, and a published study provide different kinds of evidence. SYMTRI’s subject classification helps discovery; it does not independently validate the source’s claims.
See the collection and counting methodology ↗ · Read the weekly synthesis ↗
Related threads
Explore related regions
These navigation suggestions are part of the map’s editorial structure, rather than measured evidence of a connection.