{"id":140210,"date":"2024-10-31T20:19:21","date_gmt":"2024-10-31T12:19:21","guid":{"rendered":"https:\/\/server.hk\/cnblog\/140210\/"},"modified":"2024-10-31T20:19:22","modified_gmt":"2024-10-31T12:19:22","slug":"sql-server%e6%89%80%e6%9c%89%e8%a1%a8%e7%9a%84%e5%88%97%e4%bf%a1%e6%81%af%e5%b1%95%e7%a4%ba","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/140210\/","title":{"rendered":"SQL Server\u6240\u6709\u8868\u7684\u5217\u4fe1\u606f\u5c55\u793a"},"content":{"rendered":"<h1 id=\"sql-server%e6%89%80%e6%9c%89%e8%a1%a8%e7%9a%84%e5%88%97%e4%bf%a1%e6%81%af%e5%b1%95%e7%a4%ba-nTHzJaQCSE\">SQL Server\u6240\u6709\u8868\u7684\u5217\u4fe1\u606f\u5c55\u793a<\/h1>\n<p>\u5728\u4f7f\u7528SQL Server\u9032\u884c\u6578\u64da\u7ba1\u7406\u6642\uff0c\u4e86\u89e3\u6578\u64da\u5eab\u4e2d\u6240\u6709\u8868\u7684\u5217\u4fe1\u606f\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u9019\u4e0d\u50c5\u6709\u52a9\u65bc\u6578\u64da\u7684\u7d44\u7e54\u548c\u67e5\u8a62\uff0c\u9084\u80fd\u63d0\u9ad8\u6578\u64da\u7684\u53ef\u7dad\u8b77\u6027\u548c\u53ef\u8b80\u6027\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u5728SQL Server\u4e2d\u5c55\u793a\u6240\u6709\u8868\u7684\u5217\u4fe1\u606f\uff0c\u5305\u62ec\u4f7f\u7528\u7cfb\u7d71\u8996\u5716\u548c\u67e5\u8a62\u8a9e\u53e5\u7684\u5177\u9ad4\u65b9\u6cd5\u3002<\/p>\n<h2 id=\"sql-server%e4%b8%ad%e7%9a%84%e7%b3%bb%e7%b5%b1%e8%a6%96%e5%9c%96-nTHzJaQCSE\">SQL Server\u4e2d\u7684\u7cfb\u7d71\u8996\u5716<\/h2>\n<p>SQL Server\u63d0\u4f9b\u4e86\u4e00\u4e9b\u7cfb\u7d71\u8996\u5716\uff0c\u9019\u4e9b\u8996\u5716\u53ef\u4ee5\u5e6b\u52a9\u7528\u6236\u7372\u53d6\u6578\u64da\u5eab\u7684\u5143\u6578\u64da\u3002\u6700\u5e38\u7528\u7684\u7cfb\u7d71\u8996\u5716\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><code>INFORMATION_SCHEMA.COLUMNS<\/code>\uff1a\u9019\u662f\u4e00\u500b\u6a19\u6e96\u7684SQL\u8996\u5716\uff0c\u63d0\u4f9b\u4e86\u6240\u6709\u8868\u7684\u5217\u4fe1\u606f\u3002<\/li>\n<li><code>sys.columns<\/code>\uff1a\u9019\u662fSQL Server\u7279\u6709\u7684\u7cfb\u7d71\u8996\u5716\uff0c\u63d0\u4f9b\u4e86\u66f4\u8a73\u7d30\u7684\u5217\u4fe1\u606f\u3002<\/li>\n<li><code>sys.tables<\/code>\uff1a\u9019\u500b\u8996\u5716\u5217\u51fa\u4e86\u6578\u64da\u5eab\u4e2d\u7684\u6240\u6709\u8868\u3002<\/li>\n<\/ul>\n<h2 id=\"%e4%bd%bf%e7%94%a8information_schema-columns%e6%9f%a5%e8%a9%a2%e5%88%97%e4%bf%a1%e6%81%af-nTHzJaQCSE\">\u4f7f\u7528INFORMATION_SCHEMA.COLUMNS\u67e5\u8a62\u5217\u4fe1\u606f<\/h2>\n<p>\u4f7f\u7528<code>INFORMATION_SCHEMA.COLUMNS<\/code>\u8996\u5716\u53ef\u4ee5\u8f15\u9b06\u7372\u53d6\u6240\u6709\u8868\u7684\u5217\u4fe1\u606f\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u793a\u4f8b\u67e5\u8a62\uff1a<\/p>\n<pre><code>\nSELECT \n    TABLE_NAME, \n    COLUMN_NAME, \n    DATA_TYPE, \n    CHARACTER_MAXIMUM_LENGTH \nFROM \n    INFORMATION_SCHEMA.COLUMNS \nORDER BY \n    TABLE_NAME, \n    COLUMN_NAME;\n<\/code><\/pre>\n<p>\u9019\u500b\u67e5\u8a62\u5c07\u8fd4\u56de\u6578\u64da\u5eab\u4e2d\u6240\u6709\u8868\u7684\u540d\u7a31\u3001\u5217\u540d\u3001\u6578\u64da\u985e\u578b\u4ee5\u53ca\u5b57\u7b26\u6700\u5927\u9577\u5ea6\u3002\u9019\u5c0d\u65bc\u4e86\u89e3\u6578\u64da\u7d50\u69cb\u975e\u5e38\u6709\u5e6b\u52a9\u3002<\/p>\n<h2 id=\"%e4%bd%bf%e7%94%a8sys-columns%e5%92%8csys-tables%e6%9f%a5%e8%a9%a2%e5%88%97%e4%bf%a1%e6%81%af-nTHzJaQCSE\">\u4f7f\u7528sys.columns\u548csys.tables\u67e5\u8a62\u5217\u4fe1\u606f<\/h2>\n<p>\u5982\u679c\u9700\u8981\u66f4\u8a73\u7d30\u7684\u4fe1\u606f\uff0c\u53ef\u4ee5\u4f7f\u7528<code>sys.columns<\/code>\u548c<code>sys.tables<\/code>\u7684\u806f\u5408\u67e5\u8a62\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u793a\u4f8b\uff1a<\/p>\n<pre><code>\nSELECT \n    t.name AS TableName, \n    c.name AS ColumnName, \n    ty.name AS DataType, \n    c.max_length AS MaxLength \nFROM \n    sys.tables AS t\nINNER JOIN \n    sys.columns AS c ON t.object_id = c.object_id\nINNER JOIN \n    sys.types AS ty ON c.user_type_id = ty.user_type_id\nORDER BY \n    t.name, \n    c.name;\n<\/code><\/pre>\n<p>\u9019\u500b\u67e5\u8a62\u4e0d\u50c5\u63d0\u4f9b\u4e86\u8868\u540d\u548c\u5217\u540d\uff0c\u9084\u5305\u62ec\u4e86\u6578\u64da\u985e\u578b\u548c\u6700\u5927\u9577\u5ea6\uff0c\u4e26\u4e14\u80fd\u5920\u986f\u793a\u51fa\u6bcf\u500b\u8868\u7684\u8a73\u7d30\u7d50\u69cb\u3002<\/p>\n<h2 id=\"%e7%af%84%e4%be%8b%ef%bc%9a%e6%9f%a5%e8%a9%a2%e7%89%b9%e5%ae%9a%e8%a1%a8%e7%9a%84%e5%88%97%e4%bf%a1%e6%81%af-nTHzJaQCSE\">\u7bc4\u4f8b\uff1a\u67e5\u8a62\u7279\u5b9a\u8868\u7684\u5217\u4fe1\u606f<\/h2>\n<p>\u5982\u679c\u53ea\u60f3\u67e5\u8a62\u7279\u5b9a\u8868\u7684\u5217\u4fe1\u606f\uff0c\u53ef\u4ee5\u5728\u67e5\u8a62\u4e2d\u6dfb\u52a0\u689d\u4ef6\u3002\u4f8b\u5982\uff0c\u67e5\u8a62\u540d\u70ba<code>Employees<\/code>\u7684\u8868\uff1a<\/p>\n<pre><code>\nSELECT \n    COLUMN_NAME, \n    DATA_TYPE, \n    CHARACTER_MAXIMUM_LENGTH \nFROM \n    INFORMATION_SCHEMA.COLUMNS \nWHERE \n    TABLE_NAME = 'Employees';\n<\/code><\/pre>\n<p>\u9019\u6a23\u53ef\u4ee5\u5feb\u901f\u7372\u53d6\u7279\u5b9a\u8868\u7684\u5217\u4fe1\u606f\uff0c\u65b9\u4fbf\u9032\u884c\u5f8c\u7e8c\u7684\u6578\u64da\u64cd\u4f5c\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-nTHzJaQCSE\">\u7e3d\u7d50<\/h2>\n<p>\u4e86\u89e3SQL Server\u4e2d\u6240\u6709\u8868\u7684\u5217\u4fe1\u606f\u5c0d\u65bc\u6578\u64da\u5eab\u7ba1\u7406\u81f3\u95dc\u91cd\u8981\u3002\u901a\u904e\u4f7f\u7528\u7cfb\u7d71\u8996\u5716\u5982<code>INFORMATION_SCHEMA.COLUMNS<\/code>\u548c<code>sys.columns<\/code>\uff0c\u7528\u6236\u53ef\u4ee5\u8f15\u9b06\u7372\u53d6\u6240\u9700\u7684\u5143\u6578\u64da\u3002\u9019\u4e9b\u67e5\u8a62\u4e0d\u50c5\u63d0\u9ad8\u4e86\u6578\u64da\u7684\u53ef\u8b80\u6027\uff0c\u9084\u80fd\u5e6b\u52a9\u958b\u767c\u8005\u66f4\u597d\u5730\u7406\u89e3\u6578\u64da\u7d50\u69cb\uff0c\u5f9e\u800c\u9032\u884c\u66f4\u6709\u6548\u7684\u6578\u64da\u64cd\u4f5c\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684<a href=\"https:\/\/server.hk\">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<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u9084\u662f\u5176\u4ed6\u670d\u52d9\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u83b7\u53d6SQL Server\u4e2d\u6240\u6709\u8868\u7684\u5217\u4fe1\u606f\uff0c\u8f7b\u677e\u67e5\u770b\u6570\u636e\u7c7b\u578b\u3001\u7ea6\u675f\u548c\u5176\u4ed6\u5c5e\u6027\uff0c\u4f18\u5316\u6570\u636e\u5e93\u7ba1\u7406\u4e0e\u67e5\u8be2\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-140210","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/140210","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=140210"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/140210\/revisions"}],"predecessor-version":[{"id":140211,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/140210\/revisions\/140211"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=140210"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=140210"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=140210"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}