{"id":94266,"date":"2024-10-19T18:52:19","date_gmt":"2024-10-19T10:52:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/94266\/"},"modified":"2024-10-19T18:52:20","modified_gmt":"2024-10-19T10:52:20","slug":"oracle-spatial%e7%a9%ba%e9%96%93%e6%95%b8%e6%93%9a%e8%a1%a8%e5%88%9d%e5%a7%8b%e5%8c%96%e7%9a%84%e5%af%a6%e9%9a%9b%e6%93%8d%e4%bd%9c","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/94266\/","title":{"rendered":"Oracle spatial\u7a7a\u9593\u6578\u64da\u8868\u521d\u59cb\u5316\u7684\u5be6\u969b\u64cd\u4f5c"},"content":{"rendered":"

Oracle Spatial\u7a7a\u9593\u6578\u64da\u8868\u521d\u59cb\u5316\u7684\u5be6\u969b\u64cd\u4f5c<\/h1>\n

\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u4e16\u754c\u4e2d\uff0c\u7a7a\u9593\u6578\u64da\u7684\u7ba1\u7406\u548c\u5206\u6790\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u91cd\u8981\u3002Oracle Spatial\u662f\u4e00\u500b\u5f37\u5927\u7684\u5de5\u5177\uff0c\u5c08\u9580\u7528\u65bc\u8655\u7406\u5730\u7406\u4fe1\u606f\u7cfb\u7d71\uff08GIS\uff09\u4e2d\u7684\u7a7a\u9593\u6578\u64da\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u5728Oracle\u6578\u64da\u5eab\u4e2d\u521d\u59cb\u5316\u7a7a\u9593\u6578\u64da\u8868\uff0c\u4e26\u63d0\u4f9b\u5be6\u969b\u64cd\u4f5c\u7684\u6b65\u9a5f\u548c\u793a\u4f8b\u3002<\/p>\n

\u4ec0\u9ebc\u662fOracle Spatial\uff1f<\/h2>\n

Oracle Spatial\u662fOracle\u6578\u64da\u5eab\u7684\u4e00\u500b\u9078\u4ef6\uff0c\u63d0\u4f9b\u4e86\u5c0d\u7a7a\u9593\u6578\u64da\u7684\u652f\u6301\u3002\u5b83\u5141\u8a31\u7528\u6236\u5b58\u5132\u3001\u67e5\u8a62\u548c\u5206\u6790\u5730\u7406\u6578\u64da\uff0c\u4e26\u63d0\u4f9b\u4e86\u4e00\u7cfb\u5217\u7684\u7a7a\u9593\u529f\u80fd\uff0c\u5982\u7a7a\u9593\u7d22\u5f15\u3001\u7a7a\u9593\u67e5\u8a62\u548c\u7a7a\u9593\u5206\u6790\u3002\u9019\u4f7f\u5f97\u958b\u767c\u8005\u80fd\u5920\u5728\u61c9\u7528\u7a0b\u5e8f\u4e2d\u96c6\u6210\u5730\u7406\u4fe1\u606f\uff0c\u5f9e\u800c\u5be6\u73fe\u66f4\u9ad8\u6548\u7684\u6578\u64da\u8655\u7406\u3002<\/p>\n

\u521d\u59cb\u5316\u7a7a\u9593\u6578\u64da\u8868\u7684\u6b65\u9a5f<\/h2>\n

\u5728Oracle\u4e2d\u521d\u59cb\u5316\u7a7a\u9593\u6578\u64da\u8868\u7684\u904e\u7a0b\u53ef\u4ee5\u5206\u70ba\u5e7e\u500b\u4e3b\u8981\u6b65\u9a5f\uff1a<\/p>\n

1. \u5275\u5efa\u6578\u64da\u8868<\/h3>\n

\u9996\u5148\uff0c\u6211\u5011\u9700\u8981\u5275\u5efa\u4e00\u500b\u6578\u64da\u8868\u4f86\u5b58\u5132\u7a7a\u9593\u6578\u64da\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u5275\u5efa\u8868\u7684\u793a\u4f8b\uff1a<\/p>\n

CREATE TABLE locations (\n    id NUMBER PRIMARY KEY,\n    name VARCHAR2(100),\n    geom SDO_GEOMETRY\n);<\/code><\/pre>\n
\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u5275\u5efa\u4e86\u4e00\u500b\u540d\u70ba\u201clocations\u201d\u7684\u8868\uff0c\u5305\u542b\u4e09\u500b\u5b57\u6bb5\uff1aid\u3001name\u548cgeom\u3002\u5176\u4e2d\uff0cgeom\u5b57\u6bb5\u4f7f\u7528\u4e86SDO_GEOMETRY\u6578\u64da\u985e\u578b\uff0c\u9019\u662fOracle Spatial\u7528\u4f86\u5b58\u5132\u7a7a\u9593\u6578\u64da\u7684\u985e\u578b\u3002<\/p>\n
2. \u5275\u5efa\u7a7a\u9593\u7d22\u5f15<\/h3>\n
\u70ba\u4e86\u63d0\u9ad8\u7a7a\u9593\u67e5\u8a62\u7684\u6027\u80fd\uff0c\u6211\u5011\u9700\u8981\u70bageom\u5b57\u6bb5\u5275\u5efa\u4e00\u500b\u7a7a\u9593\u7d22\u5f15\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bSQL\u8a9e\u53e5\u4f86\u5275\u5efa\u7d22\u5f15\uff1a<\/p>\n
CREATE INDEX locations_geom_idx ON locations(geom) INDEXTYPE IS MDSYS.SPATIAL_INDEX;<\/code><\/pre>\n
\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u5728\u9032\u884c\u7a7a\u9593\u67e5\u8a62\u6642\uff0c\u6578\u64da\u5eab\u80fd\u5920\u5feb\u901f\u5b9a\u4f4d\u76f8\u95dc\u7684\u7a7a\u9593\u6578\u64da\u3002<\/p>\n
3. \u63d2\u5165\u7a7a\u9593\u6578\u64da<\/h3>\n
\u63a5\u4e0b\u4f86\uff0c\u6211\u5011\u53ef\u4ee5\u5411\u8868\u4e2d\u63d2\u5165\u7a7a\u9593\u6578\u64da\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u63d2\u5165\u6578\u64da\u7684\u793a\u4f8b\uff1a<\/p>\n
INSERT INTO locations (id, name, geom) VALUES (\n    1,\n    'Hong Kong',\n    SDO_GEOMETRY(2001, 4326, SDO_POINT_TYPE(114.1694, 22.3193, NULL), NULL, NULL)\n);<\/code><\/pre>\n
\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u63d2\u5165\u4e86\u4e00\u500b\u540d\u70ba\u201cHong Kong\u201d\u7684\u5730\u9ede\uff0c\u4e26\u4f7f\u7528SDO_GEOMETRY\u4f86\u5b9a\u7fa9\u5176\u7a7a\u9593\u5750\u6a19\u3002<\/p>\n
4. \u67e5\u8a62\u7a7a\u9593\u6578\u64da<\/h3>\n
\u6700\u5f8c\uff0c\u6211\u5011\u53ef\u4ee5\u4f7f\u7528\u7a7a\u9593\u67e5\u8a62\u4f86\u6aa2\u7d22\u6578\u64da\u3002\u4f8b\u5982\uff0c\u4ee5\u4e0b\u67e5\u8a62\u5c07\u8fd4\u56de\u6240\u6709\u4f4d\u65bc\u7279\u5b9a\u7bc4\u570d\u5167\u7684\u5730\u9ede\uff1a<\/p>\n
SELECT * FROM locations\nWHERE SDO_WITHIN_DISTANCE(geom, SDO_GEOMETRY(2001, 4326, SDO_POINT_TYPE(114.1694, 22.3193, NULL), NULL, NULL), 'distance=1000') = 'TRUE';<\/code><\/pre>\n
\u9019\u500b\u67e5\u8a62\u5c07\u8fd4\u56de\u6240\u6709\u8ddd\u96e2\u6307\u5b9a\u9ede\uff08114.1694, 22.3193\uff09\u57281000\u7c73\u7bc4\u570d\u5167\u7684\u5730\u9ede\u3002<\/p>\n
\u7e3d\u7d50<\/h2>\n
Oracle Spatial\u63d0\u4f9b\u4e86\u4e00\u500b\u5f37\u5927\u7684\u5e73\u53f0\u4f86\u7ba1\u7406\u548c\u5206\u6790\u7a7a\u9593\u6578\u64da\u3002\u901a\u904e\u5275\u5efa\u6578\u64da\u8868\u3001\u7d22\u5f15\u3001\u63d2\u5165\u6578\u64da\u548c\u67e5\u8a62\u6578\u64da\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u6709\u6548\u5730\u5229\u7528\u9019\u4e9b\u529f\u80fd\u4f86\u652f\u6301\u5404\u7a2e\u61c9\u7528\u5834\u666f\u3002\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684\u6578\u64da\u8655\u7406\u89e3\u6c7a\u65b9\u6848\uff0c\u8003\u616e\u4f7f\u7528\u9999\u6e2fVPS<\/a>\u4f86\u90e8\u7f72\u60a8\u7684Oracle\u6578\u64da\u5eab\uff0c\u9019\u5c07\u70ba\u60a8\u7684\u696d\u52d9\u63d0\u4f9b\u7a69\u5b9a\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
Learn how to initialize Oracle Spatial spatial data tables with practical steps and tips for efficient data management and analysis.<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-94266","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/94266","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=94266"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/94266\/revisions"}],"predecessor-version":[{"id":94267,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/94266\/revisions\/94267"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=94266"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=94266"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=94266"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}