{"id":168943,"date":"2024-11-06T17:33:58","date_gmt":"2024-11-06T09:33:58","guid":{"rendered":"https:\/\/server.hk\/cnblog\/168943\/"},"modified":"2024-11-06T17:33:59","modified_gmt":"2024-11-06T09:33:59","slug":"%e5%85%8d%e8%b2%bb%e9%96%8b%e6%ba%90%ef%bc%8c%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e6%96%b0%e9%81%b8%e6%93%87-%e9%96%8b%e6%ba%90%e5%85%8d%e8%b2%bb-%e6%95%b8%e6%93%9a%e5%ba%ab","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/168943\/","title":{"rendered":"\u514d\u8cbb\u958b\u6e90\uff0c\u6578\u64da\u5eab\u7684\u65b0\u9078\u64c7 (\u958b\u6e90\u514d\u8cbb \u6578\u64da\u5eab)"},"content":{"rendered":"

\u514d\u8cbb\u958b\u6e90\uff0c\u6578\u64da\u5eab\u7684\u65b0\u9078\u64c7 (\u958b\u6e90\u514d\u8cbb \u6578\u64da\u5eab)<\/h1>\n

\u5728\u7576\u4eca\u6578\u64da\u9a45\u52d5\u7684\u4e16\u754c\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u9078\u64c7\u5c0d\u65bc\u4f01\u696d\u548c\u958b\u767c\u8005\u4f86\u8aaa\u81f3\u95dc\u91cd\u8981\u3002\u96a8\u8457\u958b\u6e90\u6280\u8853\u7684\u8208\u8d77\uff0c\u8d8a\u4f86\u8d8a\u591a\u7684\u958b\u767c\u8005\u548c\u4f01\u696d\u958b\u59cb\u8f49\u5411\u514d\u8cbb\u958b\u6e90\u6578\u64da\u5eab\uff0c\u9019\u4e9b\u6578\u64da\u5eab\u4e0d\u50c5\u80fd\u5920\u964d\u4f4e\u6210\u672c\uff0c\u9084\u80fd\u63d0\u4f9b\u9748\u6d3b\u6027\u548c\u53ef\u64f4\u5c55\u6027\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u4e00\u4e9b\u6d41\u884c\u7684\u514d\u8cbb\u958b\u6e90\u6578\u64da\u5eab\u9078\u64c7\u53ca\u5176\u7279\u9ede\u3002<\/p>\n

\u70ba\u4ec0\u9ebc\u9078\u64c7\u958b\u6e90\u6578\u64da\u5eab\uff1f<\/h2>\n

\u958b\u6e90\u6578\u64da\u5eab\u7684\u4e3b\u8981\u512a\u52e2\u5728\u65bc\u5176\u900f\u660e\u6027\u548c\u53ef\u5b9a\u5236\u6027\u3002\u7528\u6236\u53ef\u4ee5\u81ea\u7531\u5730\u67e5\u770b\u548c\u4fee\u6539\u6e90\u4ee3\u78bc\uff0c\u9019\u4f7f\u5f97\u958b\u767c\u8005\u80fd\u5920\u6839\u64da\u7279\u5b9a\u9700\u6c42\u9032\u884c\u8abf\u6574\u3002\u6b64\u5916\uff0c\u958b\u6e90\u6578\u64da\u5eab\u901a\u5e38\u64c1\u6709\u6d3b\u8e8d\u7684\u793e\u5340\u652f\u6301\uff0c\u9019\u610f\u5473\u8457\u7528\u6236\u53ef\u4ee5\u7372\u5f97\u53ca\u6642\u7684\u5e6b\u52a9\u548c\u66f4\u65b0\u3002<\/p>\n

\u6d41\u884c\u7684\u514d\u8cbb\u958b\u6e90\u6578\u64da\u5eab<\/h2>\n

1. MySQL<\/h3>\n

MySQL \u662f\u6700\u53d7\u6b61\u8fce\u7684\u958b\u6e90\u6578\u64da\u5eab\u4e4b\u4e00\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u7db2\u7ad9\u548c\u61c9\u7528\u7a0b\u5e8f\u4e2d\u3002\u5b83\u4ee5\u5176\u9ad8\u6548\u7684\u6027\u80fd\u548c\u7a69\u5b9a\u6027\u800c\u805e\u540d\uff0c\u4e26\u4e14\u652f\u6301\u591a\u7a2e\u64cd\u4f5c\u7cfb\u7d71\u3002MySQL \u7684\u67e5\u8a62\u8a9e\u8a00\uff08SQL\uff09\u7c21\u55ae\u6613\u5b78\uff0c\u9069\u5408\u65b0\u624b\u548c\u5c08\u696d\u4eba\u58eb\u4f7f\u7528\u3002<\/p>\n

SELECT * FROM users WHERE age > 18;<\/code><\/pre>\n
2. PostgreSQL<\/h3>\n
PostgreSQL \u662f\u4e00\u500b\u529f\u80fd\u5f37\u5927\u7684\u958b\u6e90\u5c0d\u8c61\u95dc\u4fc2\u6578\u64da\u5eab\u7cfb\u7d71\uff0c\u652f\u6301\u8907\u96dc\u7684\u67e5\u8a62\u548c\u6578\u64da\u985e\u578b\u3002\u5b83\u7684\u64f4\u5c55\u6027\u548c\u6a19\u6e96\u517c\u5bb9\u6027\u4f7f\u5176\u6210\u70ba\u4f01\u696d\u7d1a\u61c9\u7528\u7684\u7406\u60f3\u9078\u64c7\u3002PostgreSQL \u9084\u652f\u6301\u5730\u7406\u7a7a\u9593\u6578\u64da\uff0c\u9019\u4f7f\u5f97\u5b83\u5728\u5730\u7406\u4fe1\u606f\u7cfb\u7d71\uff08GIS\uff09\u4e2d\u975e\u5e38\u53d7\u6b61\u8fce\u3002<\/p>\n
SELECT * FROM locations WHERE ST_DWithin(geom, ST_MakePoint(1.0, 1.0), 1000);<\/code><\/pre>\n
3. MongoDB<\/h3>\n
MongoDB \u662f\u4e00\u500b\u57fa\u65bc\u6587\u6a94\u7684 NoSQL \u6578\u64da\u5eab\uff0c\u7279\u5225\u9069\u5408\u8655\u7406\u5927\u6578\u64da\u548c\u975e\u7d50\u69cb\u5316\u6578\u64da\u3002\u5b83\u7684\u9748\u6d3b\u6578\u64da\u6a21\u578b\u4f7f\u5f97\u958b\u767c\u8005\u53ef\u4ee5\u5feb\u901f\u8fed\u4ee3\u548c\u90e8\u7f72\u61c9\u7528\u7a0b\u5e8f\u3002MongoDB \u7684\u67e5\u8a62\u8a9e\u8a00\u4e5f\u76f8\u5c0d\u7c21\u55ae\uff0c\u4e26\u4e14\u652f\u6301 JSON \u683c\u5f0f\u7684\u6578\u64da\u3002<\/p>\n
db.users.find({ age: { $gt: 18 } });<\/code><\/pre>\n
4. MariaDB<\/h3>\n
MariaDB \u662f MySQL \u7684\u4e00\u500b\u5206\u652f\uff0c\u65e8\u5728\u4fdd\u6301\u958b\u6e90\u7684\u7279\u6027\u3002\u5b83\u63d0\u4f9b\u4e86\u66f4\u9ad8\u7684\u6027\u80fd\u548c\u5b89\u5168\u6027\uff0c\u4e26\u4e14\u8207 MySQL \u517c\u5bb9\uff0c\u4f7f\u5f97\u7528\u6236\u53ef\u4ee5\u8f15\u9b06\u9077\u79fb\u3002MariaDB \u7684\u793e\u5340\u6d3b\u8e8d\uff0c\u7d93\u5e38\u63a8\u51fa\u65b0\u529f\u80fd\u548c\u6539\u9032\u3002<\/p>\n
SELECT * FROM products WHERE price < 100;<\/code><\/pre>\n
\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u5eab<\/h2>\n
\u9078\u64c7\u5408\u9069\u7684\u958b\u6e90\u6578\u64da\u5eab\u53d6\u6c7a\u65bc\u591a\u7a2e\u56e0\u7d20\uff0c\u5305\u62ec\u61c9\u7528\u7a0b\u5e8f\u7684\u9700\u6c42\u3001\u6578\u64da\u7684\u7d50\u69cb\u3001\u9810\u7b97\u4ee5\u53ca\u5718\u968a\u7684\u6280\u8853\u80fd\u529b\u3002\u5728\u9078\u64c7\u4e4b\u524d\uff0c\u5efa\u8b70\u9032\u884c\u5145\u5206\u7684\u7814\u7a76\u548c\u6e2c\u8a66\uff0c\u4ee5\u78ba\u4fdd\u6240\u9078\u64c7\u7684\u6578\u64da\u5eab\u80fd\u5920\u6eff\u8db3\u672a\u4f86\u7684\u9700\u6c42\u3002<\/p>\n
\u7d50\u8ad6<\/h2>\n
\u514d\u8cbb\u958b\u6e90\u6578\u64da\u5eab\u70ba\u4f01\u696d\u548c\u958b\u767c\u8005\u63d0\u4f9b\u4e86\u9748\u6d3b\u4e14\u7d93\u6fdf\u7684\u89e3\u6c7a\u65b9\u6848\u3002\u7121\u8ad6\u662f MySQL\u3001PostgreSQL\u3001MongoDB \u9084\u662f MariaDB\uff0c\u6bcf\u7a2e\u6578\u64da\u5eab\u90fd\u6709\u5176\u7368\u7279\u7684\u512a\u52e2\u548c\u9069\u7528\u5834\u666f\u3002\u96a8\u8457\u6280\u8853\u7684\u767c\u5c55\uff0c\u958b\u6e90\u6578\u64da\u5eab\u7684\u9078\u64c7\u5c07\u6703\u8d8a\u4f86\u8d8a\u591a\uff0c\u4f01\u696d\u61c9\u6839\u64da\u81ea\u8eab\u9700\u6c42\u505a\u51fa\u660e\u667a\u7684\u9078\u64c7\u3002<\/p>\n
\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u53ef\u9760\u7684 VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u652f\u6301\u60a8\u7684\u958b\u6e90\u6578\u64da\u5eab\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u9069\u5408\u5404\u7a2e\u9700\u6c42\u3002\u7121\u8ad6\u662f \u9999\u6e2fVPS<\/a> \u9084\u662f\u5176\u4ed6\u985e\u578b\u7684 \u4f3a\u670d\u5668<\/a>\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u7a69\u5b9a\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
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