{"id":186452,"date":"2024-11-11T06:02:22","date_gmt":"2024-11-10T22:02:22","guid":{"rendered":"https:\/\/server.hk\/cnblog\/186452\/"},"modified":"2024-11-11T06:02:23","modified_gmt":"2024-11-10T22:02:23","slug":"%e6%95%b8%e6%93%9a%e5%ba%ab%e5%8b%95%e6%85%8b%e6%93%b4%e5%b1%95%e5%88%97%e7%9a%84%e5%af%a6%e7%8f%be%e6%96%b9%e6%b3%95%e5%8f%8a%e6%87%89%e7%94%a8%e5%a0%b4%e6%99%af%e7%b0%a1%e8%bf%b0%ef%bc%88%e6%95%b8","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/186452\/","title":{"rendered":"\u6578\u64da\u5eab\u52d5\u614b\u64f4\u5c55\u5217\u7684\u5be6\u73fe\u65b9\u6cd5\u53ca\u61c9\u7528\u5834\u666f\u7c21\u8ff0\uff08\u6578\u64da\u5eab\u52d5\u614b\u64f4\u5c55\u5217\uff09"},"content":{"rendered":"

\u6578\u64da\u5eab\u52d5\u614b\u64f4\u5c55\u5217\u7684\u5be6\u73fe\u65b9\u6cd5\u53ca\u61c9\u7528\u5834\u666f\u7c21\u8ff0<\/h1>\n

\u96a8\u8457\u6578\u64da\u91cf\u7684\u5feb\u901f\u589e\u9577\uff0c\u50b3\u7d71\u7684\u6578\u64da\u5eab\u8a2d\u8a08\u9762\u81e8\u8457\u9748\u6d3b\u6027\u4e0d\u8db3\u7684\u6311\u6230\u3002\u70ba\u4e86\u61c9\u5c0d\u9019\u4e00\u6311\u6230\uff0c\u6578\u64da\u5eab\u52d5\u614b\u64f4\u5c55\u5217\u7684\u6982\u5ff5\u9010\u6f38\u53d7\u5230\u91cd\u8996\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u6578\u64da\u5eab\u52d5\u614b\u64f4\u5c55\u5217\u7684\u5be6\u73fe\u65b9\u6cd5\u53ca\u5176\u61c9\u7528\u5834\u666f\u3002<\/p>\n

\u4ec0\u9ebc\u662f\u6578\u64da\u5eab\u52d5\u614b\u64f4\u5c55\u5217<\/h2>\n

\u6578\u64da\u5eab\u52d5\u614b\u64f4\u5c55\u5217\u662f\u4e00\u7a2e\u5141\u8a31\u5728\u4e0d\u6539\u8b8a\u6578\u64da\u5eab\u7d50\u69cb\u7684\u60c5\u6cc1\u4e0b\uff0c\u70ba\u6578\u64da\u8868\u6dfb\u52a0\u65b0\u5217\u7684\u6280\u8853\u3002\u9019\u7a2e\u6280\u8853\u7279\u5225\u9069\u5408\u65bc\u9700\u8981\u983b\u7e41\u8b8a\u66f4\u6578\u64da\u7d50\u69cb\u7684\u61c9\u7528\u5834\u666f\uff0c\u5982\u7528\u6236\u81ea\u5b9a\u7fa9\u5c6c\u6027\u3001\u7269\u806f\u7db2\u6578\u64da\u6536\u96c6\u7b49\u3002<\/p>\n

\u5be6\u73fe\u65b9\u6cd5<\/h2>\n

1. \u4f7f\u7528JSON\u6216XML\u6578\u64da\u985e\u578b<\/h3>\n

\u8a31\u591a\u73fe\u4ee3\u6578\u64da\u5eab\u7cfb\u7d71\uff08\u5982PostgreSQL\u548cMySQL\uff09\u652f\u6301JSON\u6216XML\u6578\u64da\u985e\u578b\uff0c\u9019\u4f7f\u5f97\u52d5\u614b\u64f4\u5c55\u5217\u7684\u5be6\u73fe\u8b8a\u5f97\u66f4\u52a0\u7c21\u55ae\u3002\u901a\u904e\u5c07\u53ef\u8b8a\u6578\u64da\u5b58\u5132\u5728JSON\u6216XML\u5b57\u6bb5\u4e2d\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u9748\u6d3b\u5730\u6dfb\u52a0\u6216\u522a\u9664\u5c6c\u6027\uff0c\u800c\u7121\u9700\u4fee\u6539\u6578\u64da\u5eab\u7d50\u69cb\u3002<\/p>\n

-- PostgreSQL\u7bc4\u4f8b\nCREATE TABLE users (\n    id SERIAL PRIMARY KEY,\n    name VARCHAR(100),\n    attributes JSONB\n);\n\n-- \u63d2\u5165\u6578\u64da\nINSERT INTO users (name, attributes) VALUES ('Alice', '{\"age\": 30, \"city\": \"Hong Kong\"}');\n<\/code><\/pre>\n
2. EAV\uff08Entity-Attribute-Value\uff09\u6a21\u578b<\/h3>\n
EAV\u6a21\u578b\u662f\u4e00\u7a2e\u5c07\u6578\u64da\u5206\u89e3\u70ba\u5be6\u9ad4\u3001\u5c6c\u6027\u548c\u503c\u7684\u8a2d\u8a08\u6a21\u5f0f\u3002\u9019\u7a2e\u65b9\u6cd5\u5141\u8a31\u7528\u6236\u70ba\u6bcf\u500b\u5be6\u9ad4\u6dfb\u52a0\u4efb\u610f\u6578\u91cf\u7684\u5c6c\u6027\uff0c\u5f9e\u800c\u5be6\u73fe\u52d5\u614b\u64f4\u5c55\u3002<\/p>\n
-- EAV\u6a21\u578b\u7bc4\u4f8b\nCREATE TABLE products (\n    id SERIAL PRIMARY KEY,\n    name VARCHAR(100)\n);\n\nCREATE TABLE product_attributes (\n    product_id INT,\n    attribute_name VARCHAR(100),\n    attribute_value VARCHAR(255),\n    FOREIGN KEY (product_id) REFERENCES products(id)\n);\n\n-- \u63d2\u5165\u6578\u64da\nINSERT INTO products (name) VALUES ('Product A');\nINSERT INTO product_attributes (product_id, attribute_name, attribute_value) VALUES (1, 'color', 'red');\n<\/code><\/pre>\n
3. \u4f7f\u7528NoSQL\u6578\u64da\u5eab<\/h3>\n
NoSQL\u6578\u64da\u5eab\uff08\u5982MongoDB\u548cCassandra\uff09\u672c\u8eab\u5c31\u8a2d\u8a08\u70ba\u652f\u6301\u52d5\u614b\u7d50\u69cb\u3002\u9019\u4e9b\u6578\u64da\u5eab\u5141\u8a31\u7528\u6236\u5728\u6587\u6a94\u4e2d\u96a8\u610f\u6dfb\u52a0\u5b57\u6bb5\uff0c\u5f9e\u800c\u5be6\u73fe\u52d5\u614b\u64f4\u5c55\u3002<\/p>\n
{ \n    \"name\": \"Alice\", \n    \"age\": 30, \n    \"city\": \"Hong Kong\", \n    \"custom_attributes\": { \"hobby\": \"reading\", \"profession\": \"engineer\" } \n}\n<\/code><\/pre>\n
\u61c9\u7528\u5834\u666f<\/h2>\n
1. \u7528\u6236\u81ea\u5b9a\u7fa9\u5c6c\u6027<\/h3>\n
\u5728\u793e\u4ea4\u5a92\u9ad4\u6216\u96fb\u5b50\u5546\u52d9\u5e73\u53f0\u4e2d\uff0c\u7528\u6236\u53ef\u80fd\u9700\u8981\u6dfb\u52a0\u81ea\u5b9a\u7fa9\u5c6c\u6027\u3002\u52d5\u614b\u64f4\u5c55\u5217\u53ef\u4ee5\u8b93\u9019\u4e9b\u5e73\u53f0\u9748\u6d3b\u5730\u6eff\u8db3\u7528\u6236\u9700\u6c42\uff0c\u800c\u7121\u9700\u983b\u7e41\u4fee\u6539\u6578\u64da\u5eab\u7d50\u69cb\u3002<\/p>\n
2. \u7269\u806f\u7db2\u6578\u64da\u6536\u96c6<\/h3>\n
\u7269\u806f\u7db2\u8a2d\u5099\u751f\u6210\u7684\u6578\u64da\u985e\u578b\u591a\u6a23\u4e14\u4e0d\u65b7\u8b8a\u5316\uff0c\u4f7f\u7528\u52d5\u614b\u64f4\u5c55\u5217\u53ef\u4ee5\u6709\u6548\u5730\u5b58\u5132\u548c\u7ba1\u7406\u9019\u4e9b\u6578\u64da\uff0c\u652f\u6301\u4e0d\u540c\u8a2d\u5099\u7684\u6578\u64da\u6536\u96c6\u3002<\/p>\n
3. \u5167\u5bb9\u7ba1\u7406\u7cfb\u7d71<\/h3>\n
\u5728\u5167\u5bb9\u7ba1\u7406\u7cfb\u7d71\u4e2d\uff0c\u6587\u7ae0\u6216\u9801\u9762\u7684\u5c6c\u6027\u53ef\u80fd\u6703\u96a8\u8457\u6642\u9593\u800c\u8b8a\u5316\u3002\u52d5\u614b\u64f4\u5c55\u5217\u53ef\u4ee5\u5e6b\u52a9\u958b\u767c\u8005\u9748\u6d3b\u5730\u6dfb\u52a0\u65b0\u5c6c\u6027\uff0c\u4ee5\u9069\u61c9\u4e0d\u65b7\u8b8a\u5316\u7684\u9700\u6c42\u3002<\/p>\n
\u7e3d\u7d50<\/h2>\n
\u6578\u64da\u5eab\u52d5\u614b\u64f4\u5c55\u5217\u7684\u5be6\u73fe\u65b9\u6cd5\u591a\u7a2e\u591a\u6a23\uff0c\u5305\u62ec\u4f7f\u7528JSON\u6216XML\u6578\u64da\u985e\u578b\u3001EAV\u6a21\u578b\u4ee5\u53caNoSQL\u6578\u64da\u5eab\u7b49\u3002\u9019\u4e9b\u65b9\u6cd5\u5728\u7528\u6236\u81ea\u5b9a\u7fa9\u5c6c\u6027\u3001\u7269\u806f\u7db2\u6578\u64da\u6536\u96c6\u548c\u5167\u5bb9\u7ba1\u7406\u7cfb\u7d71\u7b49\u5834\u666f\u4e2d\u5177\u6709\u5ee3\u6cdb\u7684\u61c9\u7528\u6f5b\u529b\u3002\u96a8\u8457\u6578\u64da\u9700\u6c42\u7684\u65e5\u76ca\u589e\u9577\uff0c\u52d5\u614b\u64f4\u5c55\u5217\u5c07\u6210\u70ba\u6578\u64da\u5eab\u8a2d\u8a08\u4e2d\u4e0d\u53ef\u6216\u7f3a\u7684\u4e00\u90e8\u5206\u3002<\/p>\n
\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 VPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u60a8\u7684\u9700\u6c42\u3002\u7121\u8ad6\u662f \u9999\u6e2fVPS<\/a> \u9084\u662f\u5176\u4ed6\u670d\u52d9\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u7a69\u5b9a\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u63a2\u7d22\u6578\u64da\u5eab\u52d5\u614b\u64f4\u5c55\u5217\u7684\u5be6\u73fe\u65b9\u6cd5\u53ca\u5176\u61c9\u7528\u5834\u666f\uff0c\u63d0\u5347\u6578\u64da\u9748\u6d3b\u6027\u8207\u5b58\u5132\u6548\u7387\u3002<\/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-186452","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/186452","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=186452"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/186452\/revisions"}],"predecessor-version":[{"id":186453,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/186452\/revisions\/186453"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=186452"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=186452"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=186452"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}