h3-pg

PostgreSQL bindings for H3 hexagonal grid system. Use when working with H3 cells in Postgres, including spatial indexing, geometry/geography integration, and raster analysis.

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postgis

PostGIS-specific SQL tips and gotchas. Use when working with geometry, geography, raster, projections, spatial indexes, or geospatial processing in PostgreSQL through PostGIS.

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sql-programming

General SQL programming, formatting, debugging, and query-shaping tips. Use for SQL work that is not specifically about PostGIS spatial data.

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