{"id":186178,"date":"2024-11-11T03:45:17","date_gmt":"2024-11-10T19:45:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/186178\/"},"modified":"2024-11-11T03:45:18","modified_gmt":"2024-11-10T19:45:18","slug":"%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a1%a8%e4%be%9d%e8%b3%b4%e9%97%9c%e4%bf%82%e6%9f%a5%e8%a9%a2%e6%8a%80%e5%b7%a7%ef%bc%88%e6%80%8e%e9%ba%bc%e6%9f%a5%e7%9c%8b%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a1%a8%e7%9a%84","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/186178\/","title":{"rendered":"\u6578\u64da\u5eab\u8868\u4f9d\u8cf4\u95dc\u4fc2\u67e5\u8a62\u6280\u5de7\uff08\u600e\u9ebc\u67e5\u770b\u6578\u64da\u5eab\u8868\u7684\u4f9d\u8cf4\u95dc\u4fc2\uff09"},"content":{"rendered":"

\u6578\u64da\u5eab\u8868\u4f9d\u8cf4\u95dc\u4fc2\u67e5\u8a62\u6280\u5de7\uff08\u600e\u9ebc\u67e5\u770b\u6578\u64da\u5eab\u8868\u7684\u4f9d\u8cf4\u95dc\u4fc2\uff09<\/h1>\n

\u5728\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\uff0c\u4e86\u89e3\u6578\u64da\u5eab\u8868\u4e4b\u9593\u7684\u4f9d\u8cf4\u95dc\u4fc2\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002\u9019\u4e0d\u50c5\u6709\u52a9\u65bc\u6578\u64da\u7684\u5b8c\u6574\u6027\uff0c\u9084\u80fd\u5728\u9032\u884c\u6578\u64da\u5eab\u8a2d\u8a08\u548c\u7dad\u8b77\u6642\u63d0\u4f9b\u91cd\u8981\u7684\u6307\u5c0e\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u67e5\u8a62\u6578\u64da\u5eab\u8868\u7684\u4f9d\u8cf4\u95dc\u4fc2\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u6280\u5de7\u548c\u793a\u4f8b\u3002<\/p>\n

\u4ec0\u9ebc\u662f\u6578\u64da\u5eab\u8868\u4f9d\u8cf4\u95dc\u4fc2\uff1f<\/h2>\n

\u6578\u64da\u5eab\u8868\u4f9d\u8cf4\u95dc\u4fc2\u662f\u6307\u4e00\u500b\u8868\u4e2d\u7684\u6578\u64da\u5982\u4f55\u4f9d\u8cf4\u65bc\u53e6\u4e00\u500b\u8868\u4e2d\u7684\u6578\u64da\u3002\u9019\u7a2e\u4f9d\u8cf4\u95dc\u4fc2\u901a\u5e38\u901a\u904e\u5916\u9375\u4f86\u5be6\u73fe\uff0c\u5916\u9375\u662f\u4e00\u7a2e\u7d04\u675f\uff0c\u7528\u65bc\u78ba\u4fdd\u4e00\u500b\u8868\u4e2d\u7684\u6578\u64da\u5fc5\u9808\u5728\u53e6\u4e00\u500b\u8868\u4e2d\u5b58\u5728\u3002\u4e86\u89e3\u9019\u4e9b\u4f9d\u8cf4\u95dc\u4fc2\u6709\u52a9\u65bc\u5728\u9032\u884c\u6578\u64da\u5eab\u8a2d\u8a08\u6642\u907f\u514d\u6578\u64da\u5197\u9918\u548c\u4e0d\u4e00\u81f4\u6027\u3002<\/p>\n

\u67e5\u8a62\u6578\u64da\u5eab\u8868\u4f9d\u8cf4\u95dc\u4fc2\u7684\u6280\u5de7<\/h2>\n

1. \u4f7f\u7528\u4fe1\u606f\u67b6\u69cb\u67e5\u8a62<\/h3>\n

\u5728\u5927\u591a\u6578\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u4e2d\uff0c\u53ef\u4ee5\u901a\u904e\u67e5\u8a62\u7cfb\u7d71\u4fe1\u606f\u67b6\u69cb\u4f86\u7372\u53d6\u8868\u4e4b\u9593\u7684\u4f9d\u8cf4\u95dc\u4fc2\u3002\u4f8b\u5982\uff0c\u5728 MySQL \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u67e5\u8a62\u4f86\u67e5\u770b\u6240\u6709\u5916\u9375\u7d04\u675f\uff1a<\/p>\n

SELECT \n    TABLE_NAME, \n    COLUMN_NAME, \n    CONSTRAINT_NAME, \n    REFERENCED_TABLE_NAME, \n    REFERENCED_COLUMN_NAME \nFROM \n    INFORMATION_SCHEMA.KEY_COLUMN_USAGE \nWHERE \n    REFERENCED_TABLE_NAME IS NOT NULL;<\/code><\/pre>\n
\u9019\u500b\u67e5\u8a62\u5c07\u8fd4\u56de\u6240\u6709\u8868\u53ca\u5176\u5916\u9375\u7d04\u675f\u7684\u8a73\u7d30\u4fe1\u606f\uff0c\u5305\u62ec\u5f15\u7528\u7684\u8868\u548c\u5217\u3002<\/p>\n
2. \u4f7f\u7528\u6578\u64da\u5eab\u7ba1\u7406\u5de5\u5177<\/h3>\n
\u8a31\u591a\u6578\u64da\u5eab\u7ba1\u7406\u5de5\u5177\uff08\u5982 phpMyAdmin\u3001DBeaver \u548c SQL Server Management Studio\uff09\u63d0\u4f9b\u4e86\u53ef\u8996\u5316\u754c\u9762\u4f86\u67e5\u770b\u8868\u4e4b\u9593\u7684\u4f9d\u8cf4\u95dc\u4fc2\u3002\u9019\u4e9b\u5de5\u5177\u901a\u5e38\u6703\u4ee5\u5716\u5f62\u65b9\u5f0f\u986f\u793a\u8868\u4e4b\u9593\u7684\u95dc\u806f\uff0c\u8b93\u7528\u6236\u66f4\u5bb9\u6613\u7406\u89e3\u6578\u64da\u7d50\u69cb\u3002<\/p>\n
3. \u67e5\u8a62\u4f9d\u8cf4\u95dc\u4fc2\u7684\u8996\u5716<\/h3>\n
\u5728\u67d0\u4e9b\u6578\u64da\u5eab\u7cfb\u7d71\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u7279\u5b9a\u7684\u7cfb\u7d71\u8996\u5716\u4f86\u67e5\u8a62\u8868\u7684\u4f9d\u8cf4\u95dc\u4fc2\u3002\u4f8b\u5982\uff0c\u5728 SQL Server \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u67e5\u8a62\u4f86\u67e5\u770b\u67d0\u500b\u8868\u7684\u6240\u6709\u4f9d\u8cf4\u95dc\u4fc2\uff1a<\/p>\n
SELECT \n    OBJECT_NAME(referencing_id) AS ReferencingTable, \n    OBJECT_NAME(referenced_id) AS ReferencedTable \nFROM \n    sys.sql_expression_dependencies \nWHERE \n    OBJECT_NAME(referencing_id) = 'YourTableName';<\/code><\/pre>\n
\u5c07 ‘YourTableName’ \u66ff\u63db\u70ba\u60a8\u8981\u67e5\u8a62\u7684\u8868\u540d\uff0c\u9019\u6a23\u53ef\u4ee5\u7372\u5f97\u8a72\u8868\u6240\u4f9d\u8cf4\u7684\u6240\u6709\u5176\u4ed6\u8868\u7684\u4fe1\u606f\u3002<\/p>\n
4. \u4f7f\u7528 ER \u5716<\/h3>\n
\u5be6\u9ad4\u95dc\u4fc2\u5716\uff08ER \u5716\uff09\u662f\u4e00\u7a2e\u53ef\u8996\u5316\u5de5\u5177\uff0c\u53ef\u4ee5\u5e6b\u52a9\u7528\u6236\u7406\u89e3\u6578\u64da\u5eab\u4e2d\u8868\u4e4b\u9593\u7684\u95dc\u4fc2\u3002\u8a31\u591a\u6578\u64da\u5eab\u8a2d\u8a08\u5de5\u5177\uff08\u5982 MySQL Workbench \u548c Lucidchart\uff09\u5141\u8a31\u7528\u6236\u751f\u6210 ER \u5716\uff0c\u9019\u6a23\u53ef\u4ee5\u76f4\u89c0\u5730\u67e5\u770b\u8868\u4e4b\u9593\u7684\u4f9d\u8cf4\u95dc\u4fc2\u3002<\/p>\n
\u7e3d\u7d50<\/h2>\n
\u4e86\u89e3\u6578\u64da\u5eab\u8868\u4e4b\u9593\u7684\u4f9d\u8cf4\u95dc\u4fc2\u5c0d\u65bc\u6578\u64da\u5eab\u7684\u8a2d\u8a08\u548c\u7dad\u8b77\u81f3\u95dc\u91cd\u8981\u3002\u901a\u904e\u4f7f\u7528\u4fe1\u606f\u67b6\u69cb\u67e5\u8a62\u3001\u6578\u64da\u5eab\u7ba1\u7406\u5de5\u5177\u3001\u7cfb\u7d71\u8996\u5716\u548c ER \u5716\u7b49\u65b9\u6cd5\uff0c\u60a8\u53ef\u4ee5\u8f15\u9b06\u67e5\u8a62\u548c\u5206\u6790\u9019\u4e9b\u4f9d\u8cf4\u95dc\u4fc2\u3002\u9019\u4e0d\u50c5\u6709\u52a9\u65bc\u78ba\u4fdd\u6578\u64da\u7684\u5b8c\u6574\u6027\uff0c\u9084\u80fd\u63d0\u9ad8\u6578\u64da\u5eab\u7684\u6027\u80fd\u548c\u53ef\u7dad\u8b77\u6027\u3002<\/p>\n
\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u652f\u6301\u60a8\u7684\u6578\u64da\u5eab\u9700\u6c42\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u5e6b\u52a9\u60a8\u8f15\u9b06\u7ba1\u7406\u548c\u64f4\u5c55\u60a8\u7684\u6578\u64da\u5eab\u74b0\u5883\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
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