상황
Design a relational schema for an NDVI data management system that integrates satellite imagery, derived vegetation indices, ground climate observations, and research project boundaries.
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01
Modeled satellite, sensor, image, and NDVI measurement as separate entities to preserve data lineage.
02
Linked images to study areas with a foreign key to support area-specific NDVI analysis.
03
Used composite primary key in ProjectArea to represent many-to-many project-area assignments.
Reusable for any remote sensing data management ERD that links imagery products, ground truth, and research projects.