{"id":136427,"date":"2024-10-31T11:19:23","date_gmt":"2024-10-31T03:19:23","guid":{"rendered":"https:\/\/server.hk\/cnblog\/136427\/"},"modified":"2024-10-31T11:19:24","modified_gmt":"2024-10-31T03:19:24","slug":"sql-server-2008%e6%95%b8%e6%93%9a%e6%a0%bc%e5%bc%8f%e4%bf%ae%e6%94%b9%e6%99%82%e6%87%89%e6%b3%a8%e6%84%8f%e4%bb%80%e9%ba%bc%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/136427\/","title":{"rendered":"SQL Server 2008\u6578\u64da\u683c\u5f0f\u4fee\u6539\u6642\u61c9\u6ce8\u610f\u4ec0\u9ebc\uff1f"},"content":{"rendered":"

SQL Server 2008\u6578\u64da\u683c\u5f0f\u4fee\u6539\u6642\u61c9\u6ce8\u610f\u4ec0\u9ebc\uff1f<\/h1>\n

\u5728\u4f7f\u7528SQL Server 2008\u9032\u884c\u6578\u64da\u683c\u5f0f\u4fee\u6539\u6642\uff0c\u958b\u767c\u8005\u548c\u6578\u64da\u5eab\u7ba1\u7406\u54e1\u9700\u8981\u7279\u5225\u6ce8\u610f\u591a\u500b\u65b9\u9762\uff0c\u4ee5\u78ba\u4fdd\u6578\u64da\u7684\u5b8c\u6574\u6027\u548c\u7cfb\u7d71\u7684\u7a69\u5b9a\u6027\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5728\u9032\u884c\u6578\u64da\u683c\u5f0f\u4fee\u6539\u6642\u61c9\u8003\u616e\u7684\u95dc\u9375\u56e0\u7d20\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u5efa\u8b70\u548c\u793a\u4f8b\u3002<\/p>\n

1. \u78ba\u8a8d\u6578\u64da\u985e\u578b\u7684\u517c\u5bb9\u6027<\/h2>\n

\u5728\u4fee\u6539\u6578\u64da\u683c\u5f0f\u4e4b\u524d\uff0c\u9996\u5148\u9700\u8981\u78ba\u8a8d\u65b0\u6578\u64da\u985e\u578b\u8207\u73fe\u6709\u6578\u64da\u7684\u517c\u5bb9\u6027\u3002\u4f8b\u5982\uff0c\u5c07\u4e00\u500b\u6574\u6578\u985e\u578b\u7684\u5b57\u6bb5\u4fee\u6539\u70ba\u5b57\u7b26\u4e32\u985e\u578b\u6642\uff0c\u5fc5\u9808\u78ba\u4fdd\u6240\u6709\u73fe\u6709\u6578\u64da\u90fd\u80fd\u6b63\u78ba\u8f49\u63db\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff1a<\/p>\n

ALTER TABLE YourTable\nALTER COLUMN YourColumn VARCHAR(50);\n<\/code><\/pre>\n
\u5728\u57f7\u884c\u4e0a\u8ff0\u547d\u4ee4\u4e4b\u524d\uff0c\u5efa\u8b70\u5148\u6aa2\u67e5\u8a72\u5217\u4e2d\u7684\u6578\u64da\uff0c\u78ba\u4fdd\u6c92\u6709\u6578\u64da\u6703\u56e0\u70ba\u683c\u5f0f\u4e0d\u5339\u914d\u800c\u4e1f\u5931\u3002<\/p>\n
2. \u6578\u64da\u9077\u79fb\u548c\u5099\u4efd<\/h2>\n
\u5728\u9032\u884c\u4efb\u4f55\u6578\u64da\u683c\u5f0f\u4fee\u6539\u4e4b\u524d\uff0c\u52d9\u5fc5\u9032\u884c\u5b8c\u6574\u7684\u6578\u64da\u5099\u4efd\u3002\u9019\u6a23\u53ef\u4ee5\u5728\u51fa\u73fe\u554f\u984c\u6642\u8fc5\u901f\u6062\u5fa9\u6578\u64da\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u9032\u884c\u6578\u64da\u5099\u4efd\uff1a<\/p>\n
BACKUP DATABASE YourDatabase\nTO DISK = 'C:BackupYourDatabase.bak';\n<\/code><\/pre>\n
\u6b64\u5916\uff0c\u8003\u616e\u5230\u6578\u64da\u9077\u79fb\u7684\u9700\u6c42\uff0c\u61c9\u8a72\u63d0\u524d\u898f\u5283\u597d\u6578\u64da\u7684\u8f49\u79fb\u904e\u7a0b\uff0c\u7279\u5225\u662f\u5728\u6d89\u53ca\u5230\u5927\u91cf\u6578\u64da\u7684\u60c5\u6cc1\u4e0b\u3002<\/p>\n
3. \u6e2c\u8a66\u74b0\u5883\u7684\u5efa\u7acb<\/h2>\n
\u5728\u6b63\u5f0f\u74b0\u5883\u4e2d\u9032\u884c\u6578\u64da\u683c\u5f0f\u4fee\u6539\u4e4b\u524d\uff0c\u5efa\u8b70\u5728\u6e2c\u8a66\u74b0\u5883\u4e2d\u9032\u884c\u5145\u5206\u7684\u6e2c\u8a66\u3002\u9019\u6a23\u53ef\u4ee5\u63d0\u524d\u767c\u73fe\u6f5b\u5728\u7684\u554f\u984c\uff0c\u4e26\u9032\u884c\u8abf\u6574\u3002\u6e2c\u8a66\u74b0\u5883\u61c9\u8a72\u8207\u751f\u7522\u74b0\u5883\u76f8\u4f3c\uff0c\u4ee5\u4fbf\u80fd\u5920\u6e96\u78ba\u6a21\u64ec\u5be6\u969b\u60c5\u6cc1\u3002<\/p>\n
4. \u5f71\u97ff\u7bc4\u570d\u7684\u8a55\u4f30<\/h2>\n
\u5728\u4fee\u6539\u6578\u64da\u683c\u5f0f\u4e4b\u524d\uff0c\u61c9\u8a72\u8a55\u4f30\u9019\u4e00\u8b8a\u66f4\u5c0d\u7cfb\u7d71\u7684\u5f71\u97ff\u7bc4\u570d\u3002\u4f8b\u5982\uff0c\u67d0\u4e00\u5b57\u6bb5\u7684\u683c\u5f0f\u8b8a\u66f4\u53ef\u80fd\u6703\u5f71\u97ff\u5230\u4f9d\u8cf4\u8a72\u5b57\u6bb5\u7684\u67e5\u8a62\u3001\u5831\u544a\u548c\u61c9\u7528\u7a0b\u5e8f\u3002\u5efa\u8b70\u4f7f\u7528\u4ee5\u4e0b\u67e5\u8a62\u4f86\u6aa2\u67e5\u4f9d\u8cf4\u65bc\u7279\u5b9a\u5217\u7684\u5c0d\u8c61\uff1a<\/p>\n
SELECT OBJECT_NAME(referencing_id) AS ReferencingObject\nFROM sys.sql_expression_dependencies\nWHERE referenced_entity_name = 'YourTable' AND referenced_minor_name = 'YourColumn';\n<\/code><\/pre>\n
5. \u76e3\u63a7\u548c\u65e5\u8a8c\u8a18\u9304<\/h2>\n
\u5728\u9032\u884c\u6578\u64da\u683c\u5f0f\u4fee\u6539\u5f8c\uff0c\u61c9\u8a72\u6301\u7e8c\u76e3\u63a7\u7cfb\u7d71\u7684\u6027\u80fd\u548c\u6578\u64da\u7684\u5b8c\u6574\u6027\u3002\u53ef\u4ee5\u4f7f\u7528SQL Server\u7684\u65e5\u8a8c\u8a18\u9304\u529f\u80fd\u4f86\u8ddf\u8e2a\u8b8a\u66f4\uff0c\u4e26\u53ca\u6642\u767c\u73fe\u554f\u984c\u3002<\/p>\n
6. \u6587\u6a94\u548c\u6e9d\u901a<\/h2>\n
\u6700\u5f8c\uff0c\u5c0d\u65bc\u4efb\u4f55\u6578\u64da\u683c\u5f0f\u7684\u4fee\u6539\uff0c\u90fd\u61c9\u8a72\u9032\u884c\u8a73\u7d30\u7684\u6587\u6a94\u8a18\u9304\uff0c\u4e26\u8207\u5718\u968a\u6210\u54e1\u9032\u884c\u5145\u5206\u7684\u6e9d\u901a\u3002\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u6240\u6709\u76f8\u95dc\u4eba\u54e1\u90fd\u4e86\u89e3\u8b8a\u66f4\u7684\u5167\u5bb9\u53ca\u5176\u5f71\u97ff\u3002<\/p>\n
\u7e3d\u7d50<\/h3>\n
\u5728SQL Server 2008\u4e2d\u9032\u884c\u6578\u64da\u683c\u5f0f\u4fee\u6539\u662f\u4e00\u9805\u9700\u8981\u8b39\u614e\u5c0d\u5f85\u7684\u4efb\u52d9\u3002\u901a\u904e\u78ba\u8a8d\u6578\u64da\u985e\u578b\u7684\u517c\u5bb9\u6027\u3001\u9032\u884c\u6578\u64da\u5099\u4efd\u3001\u5efa\u7acb\u6e2c\u8a66\u74b0\u5883\u3001\u8a55\u4f30\u5f71\u97ff\u7bc4\u570d\u3001\u76e3\u63a7\u7cfb\u7d71\u6027\u80fd\u4ee5\u53ca\u505a\u597d\u6587\u6a94\u548c\u6e9d\u901a\uff0c\u53ef\u4ee5\u6709\u6548\u964d\u4f4e\u98a8\u96aa\uff0c\u78ba\u4fdd\u6578\u64da\u7684\u5b89\u5168\u548c\u5b8c\u6574\u6027\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u80fd\u548c\u7a69\u5b9a\u6027\u7684\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684 VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4e5f\u662f\u81f3\u95dc\u91cd\u8981\u7684\uff0c\u7279\u5225\u662f\u5728\u9999\u6e2f\u9019\u6a23\u7684\u5e02\u5834\u4e2d\uff0c\u9999\u6e2f\u4f3a\u670d\u5668<\/a> \u63d0\u4f9b\u4e86\u9748\u6d3b\u7684\u9078\u64c7\u4ee5\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u4e86\u89e3\u5728SQL Server 2008\u4e2d\u4fee\u6539\u6578\u64da\u683c\u5f0f\u6642\u9700\u6ce8\u610f\u7684\u95dc\u9375\u4e8b\u9805\uff0c\u4ee5\u78ba\u4fdd\u6578\u64da\u5b8c\u6574\u6027\u548c\u7cfb\u7d71\u6027\u80fd\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-136427","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/136427","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=136427"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/136427\/revisions"}],"predecessor-version":[{"id":136428,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/136427\/revisions\/136428"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=136427"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=136427"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=136427"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}