{"id":75666,"date":"2024-10-16T00:12:17","date_gmt":"2024-10-15T16:12:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/75666\/"},"modified":"2024-10-16T00:12:17","modified_gmt":"2024-10-15T16:12:17","slug":"mysqloracle%e6%95%b8%e6%93%9a%e5%ba%ab%e5%89%b5%e5%bb%ba%e8%87%aa%e5%8b%95%e9%81%9e%e5%a2%9e%e5%ad%97%e6%ae%b5%e5%af%a6%e6%93%8d","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/75666\/","title":{"rendered":"MySQL&Oracle\u6578\u64da\u5eab\u5275\u5efa\u81ea\u52d5\u905e\u589e\u5b57\u6bb5\u5be6\u64cd"},"content":{"rendered":"

MySQL\u8207Oracle\u6578\u64da\u5eab\u5275\u5efa\u81ea\u52d5\u905e\u589e\u5b57\u6bb5\u5be6\u64cd<\/h1>\n

\u5728\u6578\u64da\u5eab\u8a2d\u8a08\u4e2d\uff0c\u81ea\u52d5\u905e\u589e\u5b57\u6bb5\u662f\u4e00\u500b\u975e\u5e38\u91cd\u8981\u7684\u7279\u6027\uff0c\u5c24\u5176\u662f\u5728\u9700\u8981\u552f\u4e00\u6a19\u8b58\u6bcf\u4e00\u689d\u8a18\u9304\u7684\u60c5\u6cc1\u4e0b\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5728MySQL\u548cOracle\u6578\u64da\u5eab\u4e2d\u5275\u5efa\u81ea\u52d5\u905e\u589e\u5b57\u6bb5\uff0c\u4e26\u63d0\u4f9b\u5be6\u969b\u7684\u64cd\u4f5c\u793a\u4f8b\u3002<\/p>\n

MySQL\u4e2d\u7684\u81ea\u52d5\u905e\u589e\u5b57\u6bb5<\/h2>\n

\u5728MySQL\u4e2d\uff0c\u81ea\u52d5\u905e\u589e\u5b57\u6bb5\u901a\u5e38\u7528\u65bc\u4e3b\u9375\uff0c\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u6bcf\u4e00\u689d\u8a18\u9304\u90fd\u6709\u4e00\u500b\u552f\u4e00\u7684\u6a19\u8b58\u3002\u8981\u5275\u5efa\u4e00\u500b\u81ea\u52d5\u905e\u589e\u5b57\u6bb5\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bSQL\u8a9e\u53e5\uff1a<\/p>\n

CREATE TABLE users (\n    id INT AUTO_INCREMENT PRIMARY KEY,\n    username VARCHAR(50) NOT NULL,\n    email VARCHAR(100) NOT NULL\n);<\/code><\/pre>\n
\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c`id`\u5b57\u6bb5\u88ab\u8a2d\u7f6e\u70ba\u81ea\u52d5\u905e\u589e\uff0c\u4e26\u4e14\u662f\u4e3b\u9375\u3002\u6bcf\u7576\u63d2\u5165\u4e00\u689d\u65b0\u8a18\u9304\u6642\uff0cMySQL\u6703\u81ea\u52d5\u70ba`id`\u5b57\u6bb5\u5206\u914d\u4e00\u500b\u552f\u4e00\u7684\u6574\u6578\u503c\u3002<\/p>\n
\u63d2\u5165\u6578\u64da\u793a\u4f8b<\/h3>\n
\u63d2\u5165\u6578\u64da\u6642\uff0c\u4e0d\u9700\u8981\u70ba\u81ea\u52d5\u905e\u589e\u5b57\u6bb5\u63d0\u4f9b\u503c\uff1a<\/p>\n
INSERT INTO users (username, email) VALUES ('user1', 'user1@example.com');\nINSERT INTO users (username, email) VALUES ('user2', 'user2@example.com');<\/code><\/pre>\n
\u57f7\u884c\u4e0a\u8ff0\u63d2\u5165\u8a9e\u53e5\u5f8c\uff0c`id`\u5b57\u6bb5\u5c07\u81ea\u52d5\u905e\u589e\uff0c\u5206\u5225\u70ba1\u548c2\u3002<\/p>\n
Oracle\u4e2d\u7684\u81ea\u52d5\u905e\u589e\u5b57\u6bb5<\/h2>\n
\u5728Oracle\u4e2d\uff0c\u81ea\u52d5\u905e\u589e\u5b57\u6bb5\u7684\u5be6\u73fe\u65b9\u5f0f\u8207MySQL\u7565\u6709\u4e0d\u540c\u3002Oracle\u4e0d\u652f\u6301\u76f4\u63a5\u5728\u8868\u4e2d\u5b9a\u7fa9\u81ea\u52d5\u905e\u589e\u5b57\u6bb5\uff0c\u800c\u662f\u9700\u8981\u4f7f\u7528\u5e8f\u5217\uff08Sequence\uff09\u4f86\u751f\u6210\u552f\u4e00\u503c\u3002\u4ee5\u4e0b\u662f\u5275\u5efa\u5e8f\u5217\u548c\u8868\u7684\u793a\u4f8b\uff1a<\/p>\n
CREATE SEQUENCE user_id_seq\n    START WITH 1\n    INCREMENT BY 1;\n\nCREATE TABLE users (\n    id NUMBER PRIMARY KEY,\n    username VARCHAR2(50) NOT NULL,\n    email VARCHAR2(100) NOT NULL\n);<\/code><\/pre>\n
\u5728\u9019\u88e1\uff0c\u6211\u5011\u9996\u5148\u5275\u5efa\u4e86\u4e00\u500b\u540d\u70ba`user_id_seq`\u7684\u5e8f\u5217\uff0c\u7136\u5f8c\u5275\u5efa\u4e86\u4e00\u500b`users`\u8868\u3002\u63a5\u4e0b\u4f86\uff0c\u6211\u5011\u9700\u8981\u5728\u63d2\u5165\u6578\u64da\u6642\u4f7f\u7528\u5e8f\u5217\u4f86\u751f\u6210`id`\u7684\u503c\uff1a<\/p>\n
\u63d2\u5165\u6578\u64da\u793a\u4f8b<\/h3>\n
INSERT INTO users (id, username, email) VALUES (user_id_seq.NEXTVAL, 'user1', 'user1@example.com');\nINSERT INTO users (id, username, email) VALUES (user_id_seq.NEXTVAL, 'user2', 'user2@example.com');<\/code><\/pre>\n
\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u6211\u5011\u4f7f\u7528`user_id_seq.NEXTVAL`\u4f86\u7372\u53d6\u5e8f\u5217\u7684\u4e0b\u4e00\u500b\u503c\uff0c\u4e26\u5c07\u5176\u63d2\u5165\u5230`id`\u5b57\u6bb5\u4e2d\u3002<\/p>\n
\u7e3d\u7d50<\/h2>\n
\u81ea\u52d5\u905e\u589e\u5b57\u6bb5\u5728\u6578\u64da\u5eab\u8a2d\u8a08\u4e2d\u626e\u6f14\u8457\u91cd\u8981\u89d2\u8272\uff0c\u7121\u8ad6\u662f\u5728MySQL\u9084\u662fOracle\u4e2d\uff0c\u90fd\u80fd\u6709\u6548\u5730\u78ba\u4fdd\u6bcf\u689d\u8a18\u9304\u7684\u552f\u4e00\u6027\u3002MySQL\u63d0\u4f9b\u4e86\u7c21\u55ae\u7684`AUTO_INCREMENT`\u5c6c\u6027\uff0c\u800cOracle\u5247\u9700\u8981\u4f7f\u7528\u5e8f\u5217\u4f86\u5be6\u73fe\u76f8\u540c\u7684\u529f\u80fd\u3002\u4e86\u89e3\u9019\u4e9b\u57fa\u672c\u64cd\u4f5c\u5c0d\u65bc\u6578\u64da\u5eab\u7ba1\u7406\u548c\u61c9\u7528\u958b\u767c\u81f3\u95dc\u91cd\u8981\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\u7684\u61c9\u7528\u7a0b\u5e8f\uff0c\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u60a8\u7684\u6578\u64da\u5eab\u904b\u884c\u7a69\u5b9a\u4e14\u9ad8\u6548\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u5b78\u7fd2\u5982\u4f55\u5728MySQL\u548cOracle\u6578\u64da\u5eab\u4e2d\u5275\u5efa\u81ea\u52d5\u905e\u589e\u5b57\u6bb5\uff0c\u63d0\u5347\u6578\u64da\u7ba1\u7406\u6548\u7387\uff0c\u7c21\u5316\u958b\u767c\u6d41\u7a0b\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-75666","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/75666","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=75666"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/75666\/revisions"}],"predecessor-version":[{"id":75667,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/75666\/revisions\/75667"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=75666"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=75666"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=75666"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}