{"id":181926,"date":"2024-11-09T19:39:21","date_gmt":"2024-11-09T11:39:21","guid":{"rendered":"https:\/\/server.hk\/cnblog\/181926\/"},"modified":"2024-11-09T19:39:22","modified_gmt":"2024-11-09T11:39:22","slug":"%e6%b7%b1%e5%85%a5%e6%8e%a2%e7%a9%b6%e6%95%b8%e6%93%9a%e5%ba%ab%e7%89%b9%e6%80%a7%ef%bc%8c%e6%8f%90%e5%8d%87%e6%95%b8%e6%93%9a%e7%ae%a1%e7%90%86%e6%95%88%e7%8e%87%ef%bc%88%e6%95%b8%e6%93%9a%e5%ba%ab","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/181926\/","title":{"rendered":"\u6df1\u5165\u63a2\u7a76\u6578\u64da\u5eab\u7279\u6027\uff0c\u63d0\u5347\u6578\u64da\u7ba1\u7406\u6548\u7387\uff08\u6578\u64da\u5eab\u7279\u6027\uff09"},"content":{"rendered":"

\u6df1\u5165\u63a2\u7a76\u6578\u64da\u5eab\u7279\u6027\uff0c\u63d0\u5347\u6578\u64da\u7ba1\u7406\u6548\u7387<\/h1>\n

\u5728\u7576\u4eca\u6578\u64da\u9a45\u52d5\u7684\u4e16\u754c\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u7279\u6027\u5c0d\u65bc\u63d0\u5347\u6578\u64da\u7ba1\u7406\u6548\u7387\u81f3\u95dc\u91cd\u8981\u3002\u7121\u8ad6\u662f\u4f01\u696d\u9084\u662f\u500b\u4eba\u7528\u6236\uff0c\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u5eab\u7cfb\u7d71\u53ca\u5176\u7279\u6027\uff0c\u80fd\u5920\u986f\u8457\u63d0\u9ad8\u6578\u64da\u7684\u5b58\u53d6\u901f\u5ea6\u3001\u53ef\u9760\u6027\u53ca\u5b89\u5168\u6027\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u6578\u64da\u5eab\u7684\u4e3b\u8981\u7279\u6027\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u5efa\u8b70\uff0c\u4ee5\u5e6b\u52a9\u7528\u6236\u66f4\u6709\u6548\u5730\u7ba1\u7406\u6578\u64da\u3002<\/p>\n

\u6578\u64da\u5eab\u7684\u57fa\u672c\u7279\u6027<\/h2>\n

\u6578\u64da\u5eab\u7cfb\u7d71\u7684\u7279\u6027\u53ef\u4ee5\u5206\u70ba\u5e7e\u500b\u4e3b\u8981\u65b9\u9762\uff0c\u5305\u62ec\u6578\u64da\u7684\u7d50\u69cb\u5316\u3001\u53ef\u64f4\u5c55\u6027\u3001\u4e8b\u52d9\u8655\u7406\u3001\u6578\u64da\u5b8c\u6574\u6027\u53ca\u5b89\u5168\u6027\u7b49\u3002<\/p>\n

1. \u6578\u64da\u7d50\u69cb\u5316<\/h3>\n

\u6578\u64da\u5eab\u901a\u5e38\u4f7f\u7528\u7d50\u69cb\u5316\u67e5\u8a62\u8a9e\u8a00\uff08SQL\uff09\u4f86\u7ba1\u7406\u6578\u64da\u3002\u6578\u64da\u7684\u7d50\u69cb\u5316\u4f7f\u5f97\u7528\u6236\u80fd\u5920\u4ee5\u8868\u683c\u7684\u5f62\u5f0f\u5b58\u5132\u548c\u6aa2\u7d22\u6578\u64da\uff0c\u9019\u6a23\u4e0d\u50c5\u63d0\u9ad8\u4e86\u6578\u64da\u7684\u53ef\u8b80\u6027\uff0c\u9084\u80fd\u5920\u7c21\u5316\u6578\u64da\u7684\u64cd\u4f5c\u3002\u4f8b\u5982\uff0c\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684SQL\u67e5\u8a62\uff0c\u7528\u65bc\u5f9e\u7528\u6236\u8868\u4e2d\u6aa2\u7d22\u6240\u6709\u7528\u6236\u7684\u59d3\u540d\uff1a<\/p>\n

SELECT name FROM users;<\/code><\/pre>\n
2. \u53ef\u64f4\u5c55\u6027<\/h3>\n
\u96a8\u8457\u696d\u52d9\u7684\u589e\u9577\uff0c\u6578\u64da\u91cf\u4e5f\u6703\u96a8\u4e4b\u589e\u52a0\u3002\u56e0\u6b64\uff0c\u6578\u64da\u5eab\u7684\u53ef\u64f4\u5c55\u6027\u6210\u70ba\u4e00\u500b\u91cd\u8981\u7684\u8003\u91cf\u56e0\u7d20\u3002\u53ef\u64f4\u5c55\u7684\u6578\u64da\u5eab\u7cfb\u7d71\u80fd\u5920\u8f15\u9b06\u5730\u8655\u7406\u5927\u91cf\u6578\u64da\uff0c\u800c\u4e0d\u6703\u5f71\u97ff\u6027\u80fd\u3002\u4f8b\u5982\uff0cNoSQL\u6578\u64da\u5eab\u5982MongoDB\u548cCassandra\uff0c\u63d0\u4f9b\u4e86\u826f\u597d\u7684\u6c34\u5e73\u64f4\u5c55\u80fd\u529b\uff0c\u9069\u5408\u8655\u7406\u5927\u898f\u6a21\u7684\u975e\u7d50\u69cb\u5316\u6578\u64da\u3002<\/p>\n
3. \u4e8b\u52d9\u8655\u7406<\/h3>\n
\u4e8b\u52d9\u8655\u7406\u662f\u6578\u64da\u5eab\u7684\u4e00\u500b\u6838\u5fc3\u7279\u6027\uff0c\u78ba\u4fdd\u6578\u64da\u7684\u4e00\u81f4\u6027\u548c\u5b8c\u6574\u6027\u3002\u4e8b\u52d9\u901a\u5e38\u9075\u5faaACID\uff08\u539f\u5b50\u6027\u3001\u4e00\u81f4\u6027\u3001\u9694\u96e2\u6027\u3001\u6301\u4e45\u6027\uff09\u539f\u5247\uff0c\u9019\u610f\u5473\u8457\u6bcf\u500b\u4e8b\u52d9\u8981\u9ebc\u5b8c\u5168\u57f7\u884c\uff0c\u8981\u9ebc\u5b8c\u5168\u4e0d\u57f7\u884c\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u5728SQL\u4e2d\u4f7f\u7528\u4e8b\u52d9\uff1a<\/p>\n
BEGIN;\nUPDATE accounts SET balance = balance - 100 WHERE user_id = 1;\nUPDATE accounts SET balance = balance + 100 WHERE user_id = 2;\nCOMMIT;<\/code><\/pre>\n
4. \u6578\u64da\u5b8c\u6574\u6027<\/h3>\n
\u6578\u64da\u5b8c\u6574\u6027\u662f\u6307\u6578\u64da\u7684\u6e96\u78ba\u6027\u548c\u53ef\u9760\u6027\u3002\u6578\u64da\u5eab\u7cfb\u7d71\u901a\u5e38\u63d0\u4f9b\u591a\u7a2e\u7d04\u675f\u689d\u4ef6\u4f86\u4fdd\u8b77\u6578\u64da\u7684\u5b8c\u6574\u6027\uff0c\u4f8b\u5982\u4e3b\u9375\u3001\u5916\u9375\u548c\u552f\u4e00\u6027\u7d04\u675f\u3002\u9019\u4e9b\u7d04\u675f\u80fd\u5920\u9632\u6b62\u4e0d\u6b63\u78ba\u6216\u91cd\u8907\u7684\u6578\u64da\u9032\u5165\u6578\u64da\u5eab\u3002\u4f8b\u5982\uff0c\u4ee5\u4e0b\u662f\u8a2d\u7f6e\u4e3b\u9375\u7684SQL\u8a9e\u53e5\uff1a<\/p>\n
CREATE TABLE users (\n    user_id INT PRIMARY KEY,\n    name VARCHAR(100)\n);<\/code><\/pre>\n
5. \u5b89\u5168\u6027<\/h3>\n
\u96a8\u8457\u6578\u64da\u6cc4\u9732\u4e8b\u4ef6\u7684\u983b\u7e41\u767c\u751f\uff0c\u6578\u64da\u5eab\u7684\u5b89\u5168\u6027\u8b8a\u5f97\u5c24\u70ba\u91cd\u8981\u3002\u6578\u64da\u5eab\u7cfb\u7d71\u901a\u5e38\u63d0\u4f9b\u591a\u5c64\u6b21\u7684\u5b89\u5168\u63aa\u65bd\uff0c\u5305\u62ec\u7528\u6236\u8eab\u4efd\u9a57\u8b49\u3001\u6388\u6b0a\u548c\u52a0\u5bc6\u7b49\u3002\u9019\u4e9b\u63aa\u65bd\u80fd\u5920\u6709\u6548\u5730\u4fdd\u8b77\u6578\u64da\u4e0d\u88ab\u672a\u7d93\u6388\u6b0a\u7684\u8a2a\u554f\u3002\u4f8b\u5982\uff0c\u4f7f\u7528\u4ee5\u4e0bSQL\u8a9e\u53e5\u53ef\u4ee5\u5275\u5efa\u4e00\u500b\u65b0\u7528\u6236\u4e26\u6388\u4e88\u5176\u8a2a\u554f\u6b0a\u9650\uff1a<\/p>\n
CREATE USER 'newuser'@'localhost' IDENTIFIED BY 'password';\nGRANT SELECT, INSERT ON database_name.* TO 'newuser'@'localhost';<\/code><\/pre>\n
\u7d50\u8ad6<\/h2>\n
\u7e3d\u7d50\u4f86\u8aaa\uff0c\u6df1\u5165\u4e86\u89e3\u6578\u64da\u5eab\u7684\u7279\u6027\u5c0d\u65bc\u63d0\u5347\u6578\u64da\u7ba1\u7406\u6548\u7387\u81f3\u95dc\u91cd\u8981\u3002\u901a\u904e\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u5eab\u7cfb\u7d71\u4e26\u5145\u5206\u5229\u7528\u5176\u7279\u6027\uff0c\u4f01\u696d\u548c\u500b\u4eba\u7528\u6236\u90fd\u80fd\u5920\u66f4\u6709\u6548\u5730\u7ba1\u7406\u548c\u5229\u7528\u6578\u64da\u3002\u7121\u8ad6\u662f\u9078\u64c7\u7d50\u69cb\u5316\u7684SQL\u6578\u64da\u5eab\u9084\u662f\u53ef\u64f4\u5c55\u7684NoSQL\u89e3\u6c7a\u65b9\u6848\uff0c\u4e86\u89e3\u9019\u4e9b\u7279\u6027\u5c07\u6709\u52a9\u65bc\u505a\u51fa\u660e\u667a\u7684\u6c7a\u7b56\u3002<\/p>\n
\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684\u6578\u64da\u7ba1\u7406\u89e3\u6c7a\u65b9\u6848\uff0c\u8003\u616e\u4f7f\u7528\u9999\u6e2fVPS<\/a>\u6216\u9999\u6e2f\u4f3a\u670d\u5668<\/a>\uff0c\u4ee5\u652f\u6301\u60a8\u7684\u6578\u64da\u5eab\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u6df1\u5165\u63a2\u7a76\u6578\u64da\u5eab\u7279\u6027\uff0c\u63d0\u5347\u6578\u64da\u7ba1\u7406\u6548\u7387\uff0c\u52a9\u60a8\u512a\u5316\u6578\u64da\u5b58\u5132\u3001\u6aa2\u7d22\u8207\u5206\u6790\uff0c\u5be6\u73fe\u696d\u52d9\u667a\u80fd\u5316\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-181926","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/181926","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=181926"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/181926\/revisions"}],"predecessor-version":[{"id":181927,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/181926\/revisions\/181927"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=181926"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=181926"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=181926"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}