# chapter\_18

- [PostGIS 개요 및 설치](/booil-jung/docs/dbms/postgresql/chapter_18/1801.md)
- [공간 데이터 타입(Geometry, Geography)](/booil-jung/docs/dbms/postgresql/chapter_18/1802.md)
- [공간 인덱스(R-Tree, GiST)](/booil-jung/docs/dbms/postgresql/chapter_18/1803.md)
- [공간 함수(ST\_X, ST\_Y, ST\_Distance 등)](/booil-jung/docs/dbms/postgresql/chapter_18/1804.md)
- [좌표계(SRID)와 변환](/booil-jung/docs/dbms/postgresql/chapter_18/1805.md)
- [공간 조작(Buffer, Intersection)](/booil-jung/docs/dbms/postgresql/chapter_18/1806.md)
- [레이어 개념과 GIS 툴 연동(QGIS 등)](/booil-jung/docs/dbms/postgresql/chapter_18/1807.md)
- [공간 분석(클러스터링, 네트워크)](/booil-jung/docs/dbms/postgresql/chapter_18/1808.md)
- [3D 데이터와 라스터(Raster) 개념](/booil-jung/docs/dbms/postgresql/chapter_18/1809.md)
- [PostGIS 활용 사례](/booil-jung/docs/dbms/postgresql/chapter_18/1810.md)