{"id":162881,"date":"2024-11-04T18:48:17","date_gmt":"2024-11-04T10:48:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/162881\/"},"modified":"2024-11-04T18:48:18","modified_gmt":"2024-11-04T10:48:18","slug":"%e6%95%99%e6%82%a8sql-server%e8%a1%a8%e7%b5%90%e6%a7%8b%e7%9a%84%e4%bf%ae%e6%94%b9%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/162881\/","title":{"rendered":"\u6559\u60a8sql server\u8868\u7d50\u69cb\u7684\u4fee\u6539\u65b9\u6cd5"},"content":{"rendered":"<h1 id=\"%e6%95%99%e6%82%a8sql-server%e8%a1%a8%e7%b5%90%e6%a7%8b%e7%9a%84%e4%bf%ae%e6%94%b9%e6%96%b9%e6%b3%95-jhFykTGwdU\">\u6559\u60a8SQL Server\u8868\u7d50\u69cb\u7684\u4fee\u6539\u65b9\u6cd5<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\uff0c\u8868\u7d50\u69cb\u7684\u4fee\u6539\u662f\u4e00\u9805\u5e38\u898b\u4e14\u5fc5\u8981\u7684\u4efb\u52d9\u3002\u7121\u8ad6\u662f\u56e0\u70ba\u696d\u52d9\u9700\u6c42\u7684\u8b8a\u66f4\uff0c\u9084\u662f\u56e0\u70ba\u6578\u64da\u6a21\u578b\u7684\u512a\u5316\uff0c\u4e86\u89e3\u5982\u4f55\u6709\u6548\u5730\u4fee\u6539SQL Server\u4e2d\u7684\u8868\u7d50\u69cb\u662f\u6bcf\u4f4d\u6578\u64da\u5eab\u7ba1\u7406\u54e1\u548c\u958b\u767c\u8005\u5fc5\u9808\u638c\u63e1\u7684\u6280\u80fd\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5e7e\u7a2e\u5e38\u898b\u7684\u8868\u7d50\u69cb\u4fee\u6539\u65b9\u6cd5\uff0c\u5305\u62ec\u6dfb\u52a0\u3001\u522a\u9664\u548c\u4fee\u6539\u5217\uff0c\u4ee5\u53ca\u5982\u4f55\u4f7f\u7528SQL Server Management Studio\uff08SSMS\uff09\u548cT-SQL\u8a9e\u53e5\u4f86\u5b8c\u6210\u9019\u4e9b\u64cd\u4f5c\u3002<\/p>\n<h2 id=\"1-%e4%bd%bf%e7%94%a8sql-server-management-studio-ssms-%e4%bf%ae%e6%94%b9%e8%a1%a8%e7%b5%90%e6%a7%8b-jhFykTGwdU\">1. \u4f7f\u7528SQL Server Management Studio (SSMS) \u4fee\u6539\u8868\u7d50\u69cb<\/h2>\n<p>SQL Server Management Studio\u662f\u4e00\u500b\u5f37\u5927\u7684\u5de5\u5177\uff0c\u63d0\u4f9b\u4e86\u76f4\u89c0\u7684\u754c\u9762\u4f86\u7ba1\u7406\u6578\u64da\u5eab\u548c\u8868\u7d50\u69cb\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528SSMS\u4fee\u6539\u8868\u7d50\u69cb\u7684\u6b65\u9a5f\uff1a<\/p>\n<ol>\n<li>\u6253\u958bSSMS\u4e26\u9023\u63a5\u5230\u60a8\u7684SQL Server\u5be6\u4f8b\u3002<\/li>\n<li>\u5728\u201c\u5c0d\u8c61\u8cc7\u6e90\u7ba1\u7406\u5668\u201d\u4e2d\uff0c\u627e\u5230\u4e26\u5c55\u958b\u60a8\u8981\u4fee\u6539\u7684\u6578\u64da\u5eab\u3002<\/li>\n<li>\u5c55\u958b\u201c\u8868\u201d\u6587\u4ef6\u593e\uff0c\u53f3\u9375\u55ae\u64ca\u8981\u4fee\u6539\u7684\u8868\uff0c\u9078\u64c7\u201c\u8a2d\u8a08\u201d\u3002<\/li>\n<li>\u5728\u8a2d\u8a08\u8996\u5716\u4e2d\uff0c\u60a8\u53ef\u4ee5\u6dfb\u52a0\u65b0\u5217\u3001\u522a\u9664\u73fe\u6709\u5217\u6216\u4fee\u6539\u5217\u7684\u5c6c\u6027\u3002<\/li>\n<li>\u5b8c\u6210\u4fee\u6539\u5f8c\uff0c\u9ede\u64ca\u201c\u4fdd\u5b58\u201d\u6309\u9215\u4ee5\u4fdd\u5b58\u66f4\u6539\u3002<\/li>\n<\/ol>\n<h2 id=\"2-%e4%bd%bf%e7%94%a8t-sql%e8%aa%9e%e5%8f%a5%e4%bf%ae%e6%94%b9%e8%a1%a8%e7%b5%90%e6%a7%8b-jhFykTGwdU\">2. \u4f7f\u7528T-SQL\u8a9e\u53e5\u4fee\u6539\u8868\u7d50\u69cb<\/h2>\n<p>\u9664\u4e86\u4f7f\u7528SSMS\uff0c\u60a8\u9084\u53ef\u4ee5\u901a\u904eT-SQL\u8a9e\u53e5\u4f86\u4fee\u6539\u8868\u7d50\u69cb\u3002\u9019\u7a2e\u65b9\u6cd5\u5728\u9700\u8981\u6279\u91cf\u4fee\u6539\u6216\u81ea\u52d5\u5316\u64cd\u4f5c\u6642\u7279\u5225\u6709\u7528\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u898b\u7684T-SQL\u8a9e\u53e5\u793a\u4f8b\uff1a<\/p>\n<h3 id=\"2-1-%e6%b7%bb%e5%8a%a0%e6%96%b0%e5%88%97-jhFykTGwdU\">2.1 \u6dfb\u52a0\u65b0\u5217<\/h3>\n<pre><code>ALTER TABLE \u8868\u540d\nADD \u65b0\u5217\u540d \u6578\u64da\u985e\u578b;<\/code><\/pre>\n<p>\u4f8b\u5982\uff0c\u82e5\u8981\u5728\u540d\u70ba\u201cEmployees\u201d\u7684\u8868\u4e2d\u6dfb\u52a0\u4e00\u500b\u540d\u70ba\u201cBirthDate\u201d\u7684\u65e5\u671f\u5217\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8a9e\u53e5\uff1a<\/p>\n<pre><code>ALTER TABLE Employees\nADD BirthDate DATE;<\/code><\/pre>\n<h3 id=\"2-2-%e5%88%aa%e9%99%a4%e5%88%97-jhFykTGwdU\">2.2 \u522a\u9664\u5217<\/h3>\n<pre><code>ALTER TABLE \u8868\u540d\nDROP COLUMN \u5217\u540d;<\/code><\/pre>\n<p>\u82e5\u8981\u522a\u9664\u201cEmployees\u201d\u8868\u4e2d\u7684\u201cBirthDate\u201d\u5217\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8a9e\u53e5\uff1a<\/p>\n<pre><code>ALTER TABLE Employees\nDROP COLUMN BirthDate;<\/code><\/pre>\n<h3 id=\"2-3-%e4%bf%ae%e6%94%b9%e5%88%97%e7%9a%84%e6%95%b8%e6%93%9a%e9%a1%9e%e5%9e%8b-jhFykTGwdU\">2.3 \u4fee\u6539\u5217\u7684\u6578\u64da\u985e\u578b<\/h3>\n<pre><code>ALTER TABLE \u8868\u540d\nALTER COLUMN \u5217\u540d \u65b0\u6578\u64da\u985e\u578b;<\/code><\/pre>\n<p>\u4f8b\u5982\uff0c\u82e5\u8981\u5c07\u201cEmployees\u201d\u8868\u4e2d\u7684\u201cSalary\u201d\u5217\u7684\u6578\u64da\u985e\u578b\u5f9e\u6574\u6578\u6539\u70ba\u6d6e\u9ede\u6578\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8a9e\u53e5\uff1a<\/p>\n<pre><code>ALTER TABLE Employees\nALTER COLUMN Salary FLOAT;<\/code><\/pre>\n<h2 id=\"3-%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-jhFykTGwdU\">3. \u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u5728\u4fee\u6539\u8868\u7d50\u69cb\u6642\uff0c\u6709\u5e7e\u9ede\u9700\u8981\u7279\u5225\u6ce8\u610f\uff1a<\/p>\n<ul>\n<li>\u5728\u9032\u884c\u4efb\u4f55\u7d50\u69cb\u4fee\u6539\u4e4b\u524d\uff0c\u5efa\u8b70\u5148\u5099\u4efd\u6578\u64da\u5eab\uff0c\u4ee5\u9632\u6b62\u610f\u5916\u6578\u64da\u4e1f\u5931\u3002<\/li>\n<li>\u67d0\u4e9b\u4fee\u6539\u53ef\u80fd\u6703\u5f71\u97ff\u5230\u4f9d\u8cf4\u65bc\u8a72\u8868\u7684\u5176\u4ed6\u5c0d\u8c61\uff0c\u5982\u8996\u5716\u3001\u5b58\u5132\u904e\u7a0b\u7b49\uff0c\u56e0\u6b64\u5728\u4fee\u6539\u524d\u61c9\u9032\u884c\u5145\u5206\u7684\u8a55\u4f30\u3002<\/li>\n<li>\u5728\u751f\u7522\u74b0\u5883\u4e2d\u9032\u884c\u4fee\u6539\u6642\uff0c\u61c9\u8003\u616e\u5230\u696d\u52d9\u904b\u884c\u7684\u5f71\u97ff\uff0c\u6700\u597d\u5728\u4f4e\u5cf0\u6642\u6bb5\u9032\u884c\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-jhFykTGwdU\">\u7e3d\u7d50<\/h2>\n<p>\u4fee\u6539SQL Server\u8868\u7d50\u69cb\u662f\u4e00\u9805\u91cd\u8981\u7684\u6280\u80fd\uff0c\u7121\u8ad6\u662f\u901a\u904eSSMS\u9084\u662fT-SQL\u8a9e\u53e5\uff0c\u90fd\u80fd\u6709\u6548\u5730\u5b8c\u6210\u9019\u4e00\u4efb\u52d9\u3002\u4e86\u89e3\u5982\u4f55\u6dfb\u52a0\u3001\u522a\u9664\u548c\u4fee\u6539\u5217\uff0c\u80fd\u5e6b\u52a9\u60a8\u66f4\u597d\u5730\u7ba1\u7406\u6578\u64da\u5eab\u7d50\u69cb\uff0c\u6eff\u8db3\u4e0d\u65b7\u8b8a\u5316\u7684\u696d\u52d9\u9700\u6c42\u3002\u5982\u679c\u60a8\u9700\u8981\u9ad8\u6548\u7684\u6578\u64da\u5eab\u89e3\u6c7a\u65b9\u6848\uff0c\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u6216<a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a>\u4f86\u652f\u6301\u60a8\u7684\u61c9\u7528\u7a0b\u5e8f\u548c\u6578\u64da\u7ba1\u7406\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u6709\u6548\u4fee\u6539SQL Server\u8868\u7d50\u69cb\uff0c\u638c\u63e1\u5e38\u7528\u6307\u4ee4\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-162881","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/162881","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=162881"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/162881\/revisions"}],"predecessor-version":[{"id":162882,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/162881\/revisions\/162882"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=162881"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=162881"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=162881"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}