{"id":94646,"date":"2024-10-19T19:59:15","date_gmt":"2024-10-19T11:59:15","guid":{"rendered":"https:\/\/server.hk\/cnblog\/94646\/"},"modified":"2024-10-19T19:59:16","modified_gmt":"2024-10-19T11:59:16","slug":"oracle%e3%80%81mysql%e3%80%81sql-server%e8%87%aa%e5%a2%9e%e8%ae%8a%e9%87%8f%e7%9a%84%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/94646\/","title":{"rendered":"Oracle\u3001MySQL\u3001SQL Server\u81ea\u589e\u8b8a\u91cf\u7684\u65b9\u6cd5"},"content":{"rendered":"

Oracle\u3001MySQL\u3001SQL Server\u81ea\u589e\u8b8a\u91cf\u7684\u65b9\u6cd5<\/h1>\n

\u5728\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\u4e2d\uff0c\u81ea\u589e\u8b8a\u91cf\u662f\u4e00\u500b\u975e\u5e38\u91cd\u8981\u7684\u7279\u6027\uff0c\u901a\u5e38\u7528\u65bc\u751f\u6210\u552f\u4e00\u7684\u8b58\u5225\u78bc\u3002\u9019\u4e9b\u8b58\u5225\u78bc\u5728\u63d2\u5165\u65b0\u8a18\u9304\u6642\u81ea\u52d5\u589e\u52a0\uff0c\u5f9e\u800c\u907f\u514d\u4e86\u624b\u52d5\u7ba1\u7406\u7684\u9ebb\u7169\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5728Oracle\u3001MySQL\u548cSQL Server\u4e2d\u5be6\u73fe\u81ea\u589e\u8b8a\u91cf\u7684\u65b9\u6cd5\uff0c\u4e26\u63d0\u4f9b\u76f8\u61c9\u7684\u793a\u4f8b\u4ee3\u78bc\u3002<\/p>\n

Oracle\u4e2d\u7684\u81ea\u589e\u8b8a\u91cf<\/h2>\n

\u5728Oracle\u4e2d\uff0c\u81ea\u589e\u8b8a\u91cf\u901a\u5e38\u662f\u901a\u904e\u5e8f\u5217\uff08Sequence\uff09\u4f86\u5be6\u73fe\u7684\u3002\u5e8f\u5217\u662f\u4e00\u7a2e\u6578\u64da\u5eab\u5c0d\u8c61\uff0c\u7528\u65bc\u751f\u6210\u552f\u4e00\u7684\u6578\u5b57\u3002\u4ee5\u4e0b\u662f\u5275\u5efa\u5e8f\u5217\u548c\u4f7f\u7528\u5e8f\u5217\u7684\u793a\u4f8b\uff1a<\/p>\n

-- \u5275\u5efa\u5e8f\u5217\nCREATE SEQUENCE my_sequence\nSTART WITH 1\nINCREMENT BY 1\nNOCACHE;\n\n-- \u4f7f\u7528\u5e8f\u5217\u63d2\u5165\u6578\u64da\nINSERT INTO my_table (id, name)\nVALUES (my_sequence.NEXTVAL, 'John Doe');\n<\/code><\/pre>\n
\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u7576\u63d2\u5165\u65b0\u8a18\u9304\u6642\uff0c`my_sequence.NEXTVAL`\u5c07\u8fd4\u56de\u5e8f\u5217\u7684\u4e0b\u4e00\u500b\u503c\uff0c\u5f9e\u800c\u81ea\u52d5\u751f\u6210\u552f\u4e00\u7684ID\u3002<\/p>\n
MySQL\u4e2d\u7684\u81ea\u589e\u8b8a\u91cf<\/h2>\n
\u5728MySQL\u4e2d\uff0c\u81ea\u589e\u8b8a\u91cf\u7684\u5be6\u73fe\u76f8\u5c0d\u7c21\u55ae\uff0c\u901a\u5e38\u901a\u904e\u5728\u8868\u7684\u5b9a\u7fa9\u4e2d\u4f7f\u7528`AUTO_INCREMENT`\u5c6c\u6027\u4f86\u5b8c\u6210\u3002\u4ee5\u4e0b\u662f\u5275\u5efa\u4e00\u500b\u81ea\u589e\u5217\u7684\u793a\u4f8b\uff1a<\/p>\n
-- \u5275\u5efa\u8868\u6642\u5b9a\u7fa9\u81ea\u589e\u5217\nCREATE TABLE my_table (\n    id INT AUTO_INCREMENT PRIMARY KEY,\n    name VARCHAR(100)\n);\n\n-- \u63d2\u5165\u6578\u64da\u6642\u81ea\u52d5\u751f\u6210ID\nINSERT INTO my_table (name)\nVALUES ('John Doe');\n<\/code><\/pre>\n
\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c`id`\u5217\u88ab\u8a2d\u7f6e\u70ba\u81ea\u589e\uff0c\u7576\u63d2\u5165\u65b0\u8a18\u9304\u6642\uff0cMySQL\u6703\u81ea\u52d5\u70ba`id`\u751f\u6210\u552f\u4e00\u7684\u503c\u3002<\/p>\n
SQL Server\u4e2d\u7684\u81ea\u589e\u8b8a\u91cf<\/h2>\n
\u5728SQL Server\u4e2d\uff0c\u81ea\u589e\u8b8a\u91cf\u540c\u6a23\u53ef\u4ee5\u901a\u904e\u5728\u8868\u7684\u5b9a\u7fa9\u4e2d\u4f7f\u7528`IDENTITY`\u5c6c\u6027\u4f86\u5be6\u73fe\u3002\u4ee5\u4e0b\u662f\u5275\u5efa\u4e00\u500b\u81ea\u589e\u5217\u7684\u793a\u4f8b\uff1a<\/p>\n
-- \u5275\u5efa\u8868\u6642\u5b9a\u7fa9\u81ea\u589e\u5217\nCREATE TABLE my_table (\n    id INT IDENTITY(1,1) PRIMARY KEY,\n    name NVARCHAR(100)\n);\n\n-- \u63d2\u5165\u6578\u64da\u6642\u81ea\u52d5\u751f\u6210ID\nINSERT INTO my_table (name)\nVALUES ('John Doe');\n<\/code><\/pre>\n
\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c`id`\u5217\u88ab\u8a2d\u7f6e\u70ba\u81ea\u589e\uff0c\u4e26\u4e14\u5f9e1\u958b\u59cb\uff0c\u6bcf\u6b21\u63d2\u5165\u65b0\u8a18\u9304\u6642\u81ea\u52d5\u589e\u52a01\u3002<\/p>\n
\u7e3d\u7d50<\/h2>\n
\u81ea\u589e\u8b8a\u91cf\u5728\u6578\u64da\u5eab\u4e2d\u626e\u6f14\u8457\u91cd\u8981\u7684\u89d2\u8272\uff0c\u7121\u8ad6\u662f\u5728Oracle\u3001MySQL\u9084\u662fSQL Server\u4e2d\uff0c\u9019\u4e9b\u7cfb\u7d71\u90fd\u63d0\u4f9b\u4e86\u7c21\u55ae\u800c\u6709\u6548\u7684\u65b9\u6cd5\u4f86\u5be6\u73fe\u81ea\u589e\u529f\u80fd\u3002\u901a\u904e\u4f7f\u7528\u5e8f\u5217\u3001`AUTO_INCREMENT`\u6216`IDENTITY`\u5c6c\u6027\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u8f15\u9b06\u5730\u7ba1\u7406\u552f\u4e00\u8b58\u5225\u78bc\uff0c\u5f9e\u800c\u63d0\u9ad8\u6578\u64da\u5eab\u64cd\u4f5c\u7684\u6548\u7387\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\u9069\u5408\u5404\u7a2e\u9700\u6c42\u3002\u7121\u8ad6\u662f\u6578\u64da\u5eab\u7ba1\u7406\u9084\u662f\u5176\u4ed6\u61c9\u7528\uff0c\u60a8\u90fd\u53ef\u4ee5\u5728\u6211\u5011\u7684\u7db2\u7ad9\u4e0a\u627e\u5230\u5408\u9069\u7684 \u9999\u6e2f\u4f3a\u670d\u5668<\/a> \u65b9\u6848\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u63a2\u7d22Oracle\u3001MySQL\u548cSQL Server\u4e2d\u81ea\u589e\u8b8a\u91cf\u7684\u4e0d\u540c\u65b9\u6cd5\uff0c\u4e86\u89e3\u5982\u4f55\u6709\u6548\u7ba1\u7406\u6578\u64da\u5eab\u4e2d\u7684\u81ea\u52d5\u589e\u9577\u5b57\u6bb5\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-94646","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/94646","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=94646"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/94646\/revisions"}],"predecessor-version":[{"id":94647,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/94646\/revisions\/94647"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=94646"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=94646"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=94646"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}