{"id":168037,"date":"2024-11-06T08:59:26","date_gmt":"2024-11-06T00:59:26","guid":{"rendered":"https:\/\/server.hk\/cnblog\/168037\/"},"modified":"2024-11-06T08:59:27","modified_gmt":"2024-11-06T00:59:27","slug":"%e5%88%97mssql%e4%b8%ad%e4%bf%ae%e6%94%b9%e8%87%aa%e5%a2%9e%e8%87%aa%e5%a2%9e%e5%88%97%e7%9a%84%e6%9c%89%e6%95%88%e6%96%b9%e6%b3%95%ef%bc%88mssql%e4%bf%ae%e6%94%b9%e8%87%aa%e5%a2%9e%e8%87%aa%e5%a2%9e","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/168037\/","title":{"rendered":"\u5217MSSQL\u4e2d\u4fee\u6539\u81ea\u589e\u81ea\u589e\u5217\u7684\u6709\u6548\u65b9\u6cd5\uff08mssql\u4fee\u6539\u81ea\u589e\u81ea\u589e\uff09"},"content":{"rendered":"

\u5217MSSQL\u4e2d\u4fee\u6539\u81ea\u589e\u81ea\u589e\u5217\u7684\u6709\u6548\u65b9\u6cd5<\/h1>\n

\u5728\u4f7f\u7528Microsoft SQL Server\uff08MSSQL\uff09\u9032\u884c\u6578\u64da\u5eab\u7ba1\u7406\u6642\uff0c\u81ea\u589e\u5217\u662f\u4e00\u500b\u975e\u5e38\u91cd\u8981\u7684\u7279\u6027\u3002\u81ea\u589e\u5217\u901a\u5e38\u7528\u65bc\u4e3b\u9375\uff0c\u80fd\u5920\u81ea\u52d5\u751f\u6210\u552f\u4e00\u7684\u6578\u503c\uff0c\u5f9e\u800c\u7c21\u5316\u6578\u64da\u63d2\u5165\u7684\u904e\u7a0b\u3002\u7136\u800c\uff0c\u96a8\u8457\u696d\u52d9\u9700\u6c42\u7684\u8b8a\u5316\uff0c\u53ef\u80fd\u9700\u8981\u5c0d\u81ea\u589e\u5217\u9032\u884c\u4fee\u6539\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5728MSSQL\u4e2d\u4fee\u6539\u81ea\u589e\u5217\u7684\u6709\u6548\u65b9\u6cd5\u3002<\/p>\n

\u81ea\u589e\u5217\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n

\u81ea\u589e\u5217\u662f\u6307\u5728\u6bcf\u6b21\u63d2\u5165\u65b0\u8a18\u9304\u6642\uff0c\u6578\u64da\u5eab\u81ea\u52d5\u70ba\u8a72\u5217\u751f\u6210\u4e00\u500b\u552f\u4e00\u7684\u6574\u6578\u503c\u3002\u9019\u901a\u5e38\u7528\u65bc\u4e3b\u9375\uff0c\u4ee5\u78ba\u4fdd\u6bcf\u689d\u8a18\u9304\u7684\u552f\u4e00\u6027\u3002\u81ea\u589e\u5217\u7684\u8a2d\u7f6e\u901a\u5e38\u5728\u5275\u5efa\u8868\u6642\u9032\u884c\uff0c\u4f7f\u7528\u4ee5\u4e0b\u8a9e\u6cd5\uff1a<\/p>\n

CREATE TABLE ExampleTable (\n    ID INT IDENTITY(1,1) PRIMARY KEY,\n    Name NVARCHAR(100)\n);<\/code><\/pre>\n
\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0cID\u5217\u88ab\u8a2d\u7f6e\u70ba\u81ea\u589e\u5217\uff0c\u521d\u59cb\u503c\u70ba1\uff0c\u6bcf\u6b21\u63d2\u5165\u65b0\u8a18\u9304\u6642\u81ea\u52d5\u589e\u52a01\u3002<\/p>\n
\u4fee\u6539\u81ea\u589e\u5217\u7684\u9700\u6c42<\/h2>\n
\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u60a8\u53ef\u80fd\u9700\u8981\u4fee\u6539\u81ea\u589e\u5217\u7684\u5c6c\u6027\uff0c\u4f8b\u5982\u66f4\u6539\u8d77\u59cb\u503c\u6216\u589e\u91cf\u503c\u3002\u9019\u53ef\u80fd\u662f\u56e0\u70ba\u6578\u64da\u5eab\u7684\u8a2d\u8a08\u8b8a\u66f4\uff0c\u6216\u8005\u662f\u56e0\u70ba\u9700\u8981\u91cd\u65b0\u7de8\u6392\u6578\u64da\u3002\u7121\u8ad6\u539f\u56e0\u5982\u4f55\uff0cMSSQL\u63d0\u4f9b\u4e86\u5e7e\u7a2e\u65b9\u6cd5\u4f86\u5be6\u73fe\u9019\u4e00\u9ede\u3002<\/p>\n
\u4fee\u6539\u81ea\u589e\u5217\u7684\u6709\u6548\u65b9\u6cd5<\/h2>\n
\u65b9\u6cd5\u4e00\uff1a\u4f7f\u7528ALTER TABLE<\/h3>\n
\u6700\u76f4\u63a5\u7684\u65b9\u6cd5\u662f\u4f7f\u7528ALTER TABLE\u8a9e\u53e5\u4f86\u4fee\u6539\u81ea\u589e\u5217\u7684\u5c6c\u6027\u3002\u4ee5\u4e0b\u662f\u4fee\u6539\u81ea\u589e\u5217\u7684\u57fa\u672c\u6b65\u9a5f\uff1a<\/p>\n
    \n
  1. \u9996\u5148\uff0c\u60a8\u9700\u8981\u522a\u9664\u539f\u6709\u7684\u81ea\u589e\u5217\u3002<\/li>\n
  2. \u7136\u5f8c\uff0c\u91cd\u65b0\u6dfb\u52a0\u8a72\u5217\u4e26\u8a2d\u7f6e\u65b0\u7684\u81ea\u589e\u5c6c\u6027\u3002<\/li>\n<\/ol>\n
    \u4ee5\u4e0b\u662f\u4e00\u500b\u793a\u4f8b\uff1a<\/p>\n
    ALTER TABLE ExampleTable\nDROP COLUMN ID;\n\nALTER TABLE ExampleTable\nADD ID INT IDENTITY(10,5) PRIMARY KEY;<\/code><\/pre>\n
    \u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u6211\u5011\u5c07ID\u5217\u7684\u8d77\u59cb\u503c\u66f4\u6539\u70ba10\uff0c\u589e\u91cf\u503c\u66f4\u6539\u70ba5\u3002<\/p>\n
    \u65b9\u6cd5\u4e8c\uff1a\u4f7f\u7528DBCC CHECKIDENT<\/h3>\n
    \u5982\u679c\u60a8\u53ea\u9700\u8981\u66f4\u6539\u81ea\u589e\u5217\u7684\u7576\u524d\u503c\uff0c\u800c\u4e0d\u9700\u8981\u66f4\u6539\u5176\u5c6c\u6027\uff0c\u53ef\u4ee5\u4f7f\u7528DBCC CHECKIDENT\u547d\u4ee4\u3002\u9019\u500b\u547d\u4ee4\u5141\u8a31\u60a8\u91cd\u7f6e\u81ea\u589e\u5217\u7684\u7576\u524d\u503c\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528\u8a72\u547d\u4ee4\u7684\u793a\u4f8b\uff1a<\/p>\n
    DBCC CHECKIDENT ('ExampleTable', RESEED, 20);<\/code><\/pre>\n
    \u9019\u5c07\u628a\u81ea\u589e\u5217\u7684\u4e0b\u4e00\u500b\u503c\u8a2d\u7f6e\u70ba20\u3002\u9019\u5c0d\u65bc\u5728\u522a\u9664\u8a18\u9304\u5f8c\u91cd\u65b0\u7de8\u6392\u81ea\u589e\u503c\u975e\u5e38\u6709\u7528\u3002<\/p>\n
    \u65b9\u6cd5\u4e09\uff1a\u5275\u5efa\u65b0\u8868<\/h3>\n
    \u5982\u679c\u9700\u8981\u9032\u884c\u66f4\u5927\u7bc4\u570d\u7684\u4fee\u6539\uff0c\u60a8\u4e5f\u53ef\u4ee5\u8003\u616e\u5275\u5efa\u4e00\u500b\u65b0\u8868\uff0c\u7136\u5f8c\u5c07\u6578\u64da\u5f9e\u820a\u8868\u8f49\u79fb\u5230\u65b0\u8868\u4e2d\u3002\u9019\u6a23\u53ef\u4ee5\u66f4\u9748\u6d3b\u5730\u8a2d\u7f6e\u81ea\u589e\u5217\u7684\u5c6c\u6027\u3002\u4ee5\u4e0b\u662f\u6b65\u9a5f\uff1a<\/p>\n
      \n
    1. \u5275\u5efa\u4e00\u500b\u65b0\u8868\uff0c\u8a2d\u7f6e\u6240\u9700\u7684\u81ea\u589e\u5217\u5c6c\u6027\u3002<\/li>\n
    2. \u4f7f\u7528INSERT INTO\u8a9e\u53e5\u5c07\u6578\u64da\u5f9e\u820a\u8868\u8f49\u79fb\u5230\u65b0\u8868\u3002<\/li>\n
    3. \u522a\u9664\u820a\u8868\uff0c\u4e26\u5c07\u65b0\u8868\u91cd\u547d\u540d\u70ba\u820a\u8868\u7684\u540d\u7a31\u3002<\/li>\n<\/ol>\n
      CREATE TABLE NewExampleTable (\n    ID INT IDENTITY(1,1) PRIMARY KEY,\n    Name NVARCHAR(100)\n);\n\nINSERT INTO NewExampleTable (Name)\nSELECT Name FROM ExampleTable;\n\nDROP TABLE ExampleTable;\n\nEXEC sp_rename 'NewExampleTable', 'ExampleTable';<\/code><\/pre>\n
      \u7e3d\u7d50<\/h2>\n
      \u5728MSSQL\u4e2d\u4fee\u6539\u81ea\u589e\u5217\u7684\u904e\u7a0b\u96d6\u7136\u53ef\u80fd\u770b\u8d77\u4f86\u8907\u96dc\uff0c\u4f46\u901a\u904e\u4f7f\u7528ALTER TABLE\u3001DBCC CHECKIDENT\u6216\u5275\u5efa\u65b0\u8868\u7b49\u65b9\u6cd5\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u9054\u6210\u76ee\u7684\u3002\u6839\u64da\u5177\u9ad4\u9700\u6c42\u9078\u64c7\u5408\u9069\u7684\u65b9\u6cd5\uff0c\u80fd\u5920\u5e6b\u52a9\u60a8\u66f4\u597d\u5730\u7ba1\u7406\u6578\u64da\u5eab\u7d50\u69cb\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\u6eff\u8db3\u4e0d\u540c\u696d\u52d9\u9700\u6c42\u3002\u7121\u8ad6\u662f \u9999\u6e2f\u4f3a\u670d\u5668<\/a> \u9084\u662f\u5176\u4ed6\u96f2\u670d\u52d9\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u7a69\u5b9a\u53ef\u9760\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
      \u4e86\u89e3\u5728MSSQL\u4e2d\u6709\u6548\u4fee\u6539\u81ea\u589e\u5217\u7684\u65b9\u6cd5\uff0c\u786e\u4fdd\u6570\u636e\u5b8c\u6574\u6027\u4e0e\u8868\u7ed3\u6784\u4f18\u5316\uff0c\u63d0\u5347\u6570\u636e\u5e93\u7ba1\u7406\u6548\u7387\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-168037","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/168037","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=168037"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/168037\/revisions"}],"predecessor-version":[{"id":168038,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/168037\/revisions\/168038"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=168037"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=168037"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=168037"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}