{"id":183498,"date":"2024-11-10T05:19:20","date_gmt":"2024-11-09T21:19:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/183498\/"},"modified":"2024-11-10T05:19:21","modified_gmt":"2024-11-09T21:19:21","slug":"%e5%af%a6%e6%88%b0%e6%95%99%e7%a8%8b%ef%bc%9aoracle%e6%95%b8%e6%93%9a%e5%ba%ab%e5%a6%82%e4%bd%95%e8%a8%ad%e7%bd%ae%e4%b8%80%e5%b0%8d%e5%a4%9a%e9%97%9c%e4%bf%82-oracle%e6%95%b8%e6%93%9a%e5%ba%ab","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/183498\/","title":{"rendered":"\u5be6\u6230\u6559\u7a0b\uff1aoracle\u6578\u64da\u5eab\u5982\u4f55\u8a2d\u7f6e\u4e00\u5c0d\u591a\u95dc\u4fc2 (oracle\u6578\u64da\u5eab\u8a2d\u7f6e\u4e00\u5c0d\u591a\u95dc\u4fc2)"},"content":{"rendered":"

\u5be6\u6230\u6559\u7a0b\uff1aOracle\u6578\u64da\u5eab\u5982\u4f55\u8a2d\u7f6e\u4e00\u5c0d\u591a\u95dc\u4fc2<\/h1>\n

\u5728\u6578\u64da\u5eab\u8a2d\u8a08\u4e2d\uff0c\u4e00\u5c0d\u591a\u95dc\u4fc2\u662f\u4e00\u7a2e\u5e38\u898b\u7684\u95dc\u806f\u985e\u578b\uff0c\u901a\u5e38\u7528\u65bc\u8868\u793a\u4e00\u500b\u5be6\u9ad4\u53ef\u4ee5\u8207\u591a\u500b\u5176\u4ed6\u5be6\u9ad4\u76f8\u95dc\u806f\u7684\u60c5\u6cc1\u3002\u5728Oracle\u6578\u64da\u5eab\u4e2d\uff0c\u8a2d\u7f6e\u4e00\u5c0d\u591a\u95dc\u4fc2\u6d89\u53ca\u5230\u8868\u7684\u8a2d\u8a08\u3001\u4e3b\u9375\u548c\u5916\u9375\u7684\u4f7f\u7528\u3002\u672c\u6587\u5c07\u8a73\u7d30\u4ecb\u7d39\u5982\u4f55\u5728Oracle\u6578\u64da\u5eab\u4e2d\u8a2d\u7f6e\u4e00\u5c0d\u591a\u95dc\u4fc2\uff0c\u4e26\u63d0\u4f9b\u5be6\u969b\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u7247\u6bb5\u3002<\/p>\n

\u4e00\u5c0d\u591a\u95dc\u4fc2\u7684\u6982\u5ff5<\/h2>\n

\u4e00\u5c0d\u591a\u95dc\u4fc2\u662f\u6307\u4e00\u500b\u5be6\u9ad4\uff08\u4f8b\u5982\uff0c\u5ba2\u6236\uff09\u53ef\u4ee5\u8207\u591a\u500b\u5be6\u9ad4\uff08\u4f8b\u5982\uff0c\u8a02\u55ae\uff09\u76f8\u95dc\u806f\u3002\u5728\u9019\u7a2e\u95dc\u4fc2\u4e2d\uff0c\u4e3b\u8868\uff08\u5ba2\u6236\uff09\u4e2d\u7684\u6bcf\u4e00\u884c\u53ef\u4ee5\u5728\u5f9e\u8868\uff08\u8a02\u55ae\uff09\u4e2d\u5c0d\u61c9\u591a\u884c\u3002\u9019\u7a2e\u8a2d\u8a08\u6709\u52a9\u65bc\u6e1b\u5c11\u6578\u64da\u5197\u9918\u4e26\u63d0\u9ad8\u6578\u64da\u7684\u5b8c\u6574\u6027\u3002<\/p>\n

\u8a2d\u7f6e\u4e00\u5c0d\u591a\u95dc\u4fc2\u7684\u6b65\u9a5f<\/h2>\n

1. \u5275\u5efa\u4e3b\u8868<\/h3>\n

\u9996\u5148\uff0c\u6211\u5011\u9700\u8981\u5275\u5efa\u4e3b\u8868\uff0c\u9019\u88e1\u4ee5\u5ba2\u6236\u8868\u70ba\u4f8b\u3002\u5ba2\u6236\u8868\u5c07\u5305\u542b\u5ba2\u6236\u7684\u57fa\u672c\u4fe1\u606f\uff0c\u4e26\u4e14\u6703\u6709\u4e00\u500b\u4e3b\u9375\u4f86\u552f\u4e00\u6a19\u8b58\u6bcf\u500b\u5ba2\u6236\u3002<\/p>\n

CREATE TABLE Customers (\n    CustomerID NUMBER PRIMARY KEY,\n    CustomerName VARCHAR2(100),\n    ContactEmail VARCHAR2(100)\n);\n<\/code><\/pre>\n
2. \u5275\u5efa\u5f9e\u8868<\/h3>\n
\u63a5\u4e0b\u4f86\uff0c\u6211\u5011\u9700\u8981\u5275\u5efa\u5f9e\u8868\uff0c\u9019\u88e1\u4ee5\u8a02\u55ae\u8868\u70ba\u4f8b\u3002\u8a02\u55ae\u8868\u5c07\u5305\u542b\u8207\u5ba2\u6236\u76f8\u95dc\u7684\u8a02\u55ae\u4fe1\u606f\uff0c\u4e26\u4e14\u6703\u6709\u4e00\u500b\u5916\u9375\u4f86\u5f15\u7528\u4e3b\u8868\u7684\u4e3b\u9375\u3002<\/p>\n
CREATE TABLE Orders (\n    OrderID NUMBER PRIMARY KEY,\n    OrderDate DATE,\n    CustomerID NUMBER,\n    FOREIGN KEY (CustomerID) REFERENCES Customers(CustomerID)\n);\n<\/code><\/pre>\n
3. \u63d2\u5165\u6578\u64da<\/h3>\n
\u5728\u5275\u5efa\u4e86\u4e3b\u8868\u548c\u5f9e\u8868\u4e4b\u5f8c\uff0c\u6211\u5011\u53ef\u4ee5\u63d2\u5165\u4e00\u4e9b\u6578\u64da\u4f86\u6e2c\u8a66\u4e00\u5c0d\u591a\u95dc\u4fc2\u7684\u8a2d\u7f6e\u3002<\/p>\n
INSERT INTO Customers (CustomerID, CustomerName, ContactEmail) VALUES (1, '\u5f35\u4e09', 'zhangsan@example.com');\nINSERT INTO Customers (CustomerID, CustomerName, ContactEmail) VALUES (2, '\u674e\u56db', 'lisi@example.com');\n\nINSERT INTO Orders (OrderID, OrderDate, CustomerID) VALUES (101, TO_DATE('2023-01-01', 'YYYY-MM-DD'), 1);\nINSERT INTO Orders (OrderID, OrderDate, CustomerID) VALUES (102, TO_DATE('2023-01-02', 'YYYY-MM-DD'), 1);\nINSERT INTO Orders (OrderID, OrderDate, CustomerID) VALUES (103, TO_DATE('2023-01-03', 'YYYY-MM-DD'), 2);\n<\/code><\/pre>\n
4. \u67e5\u8a62\u6578\u64da<\/h3>\n
\u6700\u5f8c\uff0c\u6211\u5011\u53ef\u4ee5\u901a\u904e\u67e5\u8a62\u4f86\u9a57\u8b49\u4e00\u5c0d\u591a\u95dc\u4fc2\u7684\u8a2d\u7f6e\u662f\u5426\u6b63\u78ba\u3002\u4ee5\u4e0b\u67e5\u8a62\u5c07\u986f\u793a\u6bcf\u500b\u5ba2\u6236\u53ca\u5176\u76f8\u95dc\u7684\u8a02\u55ae\u3002<\/p>\n
SELECT c.CustomerName, o.OrderID, o.OrderDate\nFROM Customers c\nLEFT JOIN Orders o ON c.CustomerID = o.CustomerID\nORDER BY c.CustomerID;\n<\/code><\/pre>\n
\u7e3d\u7d50<\/h2>\n
\u5728Oracle\u6578\u64da\u5eab\u4e2d\u8a2d\u7f6e\u4e00\u5c0d\u591a\u95dc\u4fc2\u662f\u4e00\u500b\u76f8\u5c0d\u7c21\u55ae\u7684\u904e\u7a0b\uff0c\u4e3b\u8981\u6d89\u53ca\u5230\u4e3b\u9375\u548c\u5916\u9375\u7684\u4f7f\u7528\u3002\u901a\u904e\u5275\u5efa\u4e3b\u8868\u548c\u5f9e\u8868\uff0c\u4e26\u6b63\u78ba\u8a2d\u7f6e\u5b83\u5011\u4e4b\u9593\u7684\u95dc\u806f\uff0c\u6211\u5011\u53ef\u4ee5\u6709\u6548\u5730\u7ba1\u7406\u6578\u64da\u4e26\u4fdd\u6301\u6578\u64da\u7684\u5b8c\u6574\u6027\u3002\u9019\u7a2e\u8a2d\u8a08\u4e0d\u50c5\u63d0\u9ad8\u4e86\u6578\u64da\u7684\u53ef\u8b80\u6027\uff0c\u9084\u80fd\u5920\u5728\u67e5\u8a62\u6642\u63d0\u4f9b\u66f4\u9ad8\u7684\u6548\u7387\u3002<\/p>\n
\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684\u6578\u64da\u5eab\u89e3\u6c7a\u65b9\u6848\uff0c\u8003\u616e\u4f7f\u7528\u9999\u6e2fVPS<\/a>\u4f86\u6258\u7ba1\u60a8\u7684Oracle\u6578\u64da\u5eab\u3002\u7121\u8ad6\u662f\u5c0f\u578b\u4f01\u696d\u9084\u662f\u5927\u578b\u4f01\u696d\uff0c\u9078\u64c7\u5408\u9069\u7684\u4e91\u4f3a\u670d\u5668<\/a>\u90fd\u80fd\u5e6b\u52a9\u60a8\u66f4\u597d\u5730\u7ba1\u7406\u6578\u64da\u548c\u61c9\u7528\u7a0b\u5e8f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u5b78\u7fd2\u5982\u4f55\u5728Oracle\u6578\u64da\u5eab\u4e2d\u8a2d\u7f6e\u4e00\u5c0d\u591a\u95dc\u4fc2\uff0c\u901a\u904e\u5be6\u6230\u6559\u7a0b\u638c\u63e1\u95dc\u9375\u6b65\u9a5f\u8207\u6280\u5de7\uff0c\u63d0\u5347\u6578\u64da\u7ba1\u7406\u80fd\u529b\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-183498","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/183498","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=183498"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/183498\/revisions"}],"predecessor-version":[{"id":183499,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/183498\/revisions\/183499"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=183498"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=183498"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=183498"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}