{"id":94256,"date":"2024-10-19T18:47:18","date_gmt":"2024-10-19T10:47:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/94256\/"},"modified":"2024-10-19T18:47:19","modified_gmt":"2024-10-19T10:47:19","slug":"oracle-set%e8%88%87col%e5%91%bd%e4%bb%a4%e7%9a%84%e6%ad%b8%e7%b4%8d","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/94256\/","title":{"rendered":"Oracle set\u8207col\u547d\u4ee4\u7684\u6b78\u7d0d"},"content":{"rendered":"<h1 id=\"oracle-set%e8%88%87col%e5%91%bd%e4%bb%a4%e7%9a%84%e6%ad%b8%e7%b4%8d-RkYnvPbaSb\">Oracle set\u8207col\u547d\u4ee4\u7684\u6b78\u7d0d<\/h1>\n<p>\u5728Oracle\u8cc7\u6599\u5eab\u7684\u4f7f\u7528\u904e\u7a0b\u4e2d\uff0c<code>SET<\/code>\u548c<code>COL<\/code>\u547d\u4ee4\u662f\u5169\u500b\u975e\u5e38\u91cd\u8981\u7684\u5de5\u5177\u3002\u9019\u4e9b\u547d\u4ee4\u4e0d\u50c5\u80fd\u5920\u5e6b\u52a9\u7528\u6236\u66f4\u6709\u6548\u5730\u67e5\u8a62\u8cc7\u6599\uff0c\u9084\u80fd\u6539\u5584\u67e5\u8a62\u7d50\u679c\u7684\u53ef\u8b80\u6027\u3002\u672c\u6587\u5c07\u5c0d\u9019\u5169\u500b\u547d\u4ee4\u9032\u884c\u8a73\u7d30\u7684\u6b78\u7d0d\u8207\u5206\u6790\u3002<\/p>\n<h2 id=\"set%e5%91%bd%e4%bb%a4-RkYnvPbaSb\">SET\u547d\u4ee4<\/h2>\n<p><code>SET<\/code>\u547d\u4ee4\u4e3b\u8981\u7528\u65bc\u8a2d\u5b9aSQL*Plus\u74b0\u5883\u7684\u5404\u7a2e\u53c3\u6578\u3002\u9019\u4e9b\u53c3\u6578\u53ef\u4ee5\u5f71\u97ff\u67e5\u8a62\u7684\u8f38\u51fa\u683c\u5f0f\u3001\u884c\u6578\u3001\u5217\u5bec\u7b49\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u7528\u7684<code>SET<\/code>\u547d\u4ee4\uff1a<\/p>\n<ul>\n<li><code>SET LINESIZE n<\/code>\uff1a\u8a2d\u5b9a\u6bcf\u884c\u7684\u6700\u5927\u5b57\u5143\u6578\uff0cn\u70ba\u5b57\u5143\u6578\u3002\u4f8b\u5982\uff0c<code>SET LINESIZE 100<\/code>\u5c07\u6bcf\u884c\u7684\u5b57\u5143\u6578\u8a2d\u5b9a\u70ba100\u3002<\/li>\n<li><code>SET PAGESIZE n<\/code>\uff1a\u8a2d\u5b9a\u6bcf\u9801\u7684\u884c\u6578\uff0cn\u70ba\u884c\u6578\u3002\u9019\u5c0d\u65bc\u5206\u9801\u986f\u793a\u67e5\u8a62\u7d50\u679c\u975e\u5e38\u6709\u7528\u3002<\/li>\n<li><code>SET TRIMSPOOL ON<\/code>\uff1a\u5728\u8f38\u51fa\u5230\u6a94\u6848\u6642\uff0c\u53bb\u9664\u884c\u5c3e\u7684\u7a7a\u767d\u5b57\u5143\u3002<\/li>\n<li><code>SET HEADING ON\/OFF<\/code>\uff1a\u63a7\u5236\u67e5\u8a62\u7d50\u679c\u662f\u5426\u986f\u793a\u5217\u6a19\u984c\u3002<\/li>\n<\/ul>\n<p>\u4f8b\u5982\uff0c\u82e5\u8981\u8a2d\u5b9a\u6bcf\u9801\u986f\u793a20\u884c\uff0c\u4e26\u4e14\u6bcf\u884c\u6700\u591a\u986f\u793a80\u500b\u5b57\u5143\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre><code>SET PAGESIZE 20\nSET LINESIZE 80<\/code><\/pre>\n<h2 id=\"col%e5%91%bd%e4%bb%a4-RkYnvPbaSb\">COL\u547d\u4ee4<\/h2>\n<p><code>COL<\/code>\u547d\u4ee4\u5247\u662f\u7528\u4f86\u8a2d\u5b9a\u67e5\u8a62\u7d50\u679c\u4e2d\u5404\u5217\u7684\u986f\u793a\u683c\u5f0f\u3002\u9019\u5c0d\u65bc\u63d0\u9ad8\u67e5\u8a62\u7d50\u679c\u7684\u53ef\u8b80\u6027\u975e\u5e38\u91cd\u8981\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u7528\u7684<code>COL<\/code>\u547d\u4ee4\uff1a<\/p>\n<ul>\n<li><code>COL column_name FORMAT format<\/code>\uff1a\u8a2d\u5b9a\u7279\u5b9a\u5217\u7684\u986f\u793a\u683c\u5f0f\u3002\u4f8b\u5982\uff0c\u82e5\u8981\u5c07\u67d0\u5217\u7684\u6578\u5b57\u683c\u5f0f\u5316\u70ba\u8ca8\u5e63\u5f62\u5f0f\uff0c\u53ef\u4ee5\u4f7f\u7528\uff1a<\/li>\n<pre><code>COL salary FORMAT '$999,999.99'<\/code><\/pre>\n<li><code>COL column_name HEADING 'new_heading'<\/code>\uff1a\u70ba\u7279\u5b9a\u5217\u8a2d\u5b9a\u65b0\u7684\u6a19\u984c\u3002<\/li>\n<li><code>COL column_name NOPRINT<\/code>\uff1a\u96b1\u85cf\u7279\u5b9a\u5217\u7684\u986f\u793a\u3002<\/li>\n<\/ul>\n<p>\u4f8b\u5982\uff0c\u82e5\u8981\u5c07\u54e1\u5de5\u7684\u85aa\u6c34\u5217\u683c\u5f0f\u5316\u70ba\u8ca8\u5e63\u5f62\u5f0f\uff0c\u4e26\u4e14\u5c07\u5176\u6a19\u984c\u6539\u70ba\u201c\u85aa\u6c34\u201d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre><code>COL salary FORMAT '$999,999.99'\nCOL salary HEADING '\u85aa\u6c34'<\/code><\/pre>\n<h2 id=\"set%e8%88%87col%e5%91%bd%e4%bb%a4%e7%9a%84%e7%b5%90%e5%90%88%e4%bd%bf%e7%94%a8-RkYnvPbaSb\">SET\u8207COL\u547d\u4ee4\u7684\u7d50\u5408\u4f7f\u7528<\/h2>\n<p>\u5728\u5be6\u969b\u64cd\u4f5c\u4e2d\uff0c<code>SET<\/code>\u548c<code>COL<\/code>\u547d\u4ee4\u5e38\u5e38\u7d50\u5408\u4f7f\u7528\uff0c\u4ee5\u9054\u5230\u6700\u4f73\u7684\u67e5\u8a62\u6548\u679c\u3002\u4f8b\u5982\uff0c\u82e5\u8981\u67e5\u8a62\u54e1\u5de5\u8cc7\u6599\u4e26\u683c\u5f0f\u5316\u8f38\u51fa\uff0c\u53ef\u4ee5\u9019\u6a23\u505a\uff1a<\/p>\n<pre><code>SET LINESIZE 100\nSET PAGESIZE 20\nCOL name HEADING '\u59d3\u540d'\nCOL salary FORMAT '$999,999.99' HEADING '\u85aa\u6c34'\n\nSELECT name, salary FROM employees;<\/code><\/pre>\n<p>\u9019\u6a23\u7684\u8a2d\u5b9a\u4e0d\u50c5\u80fd\u5920\u4f7f\u67e5\u8a62\u7d50\u679c\u66f4\u52a0\u6574\u9f4a\uff0c\u9084\u80fd\u63d0\u9ad8\u53ef\u8b80\u6027\uff0c\u8b93\u4f7f\u7528\u8005\u66f4\u5bb9\u6613\u7406\u89e3\u8cc7\u6599\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-RkYnvPbaSb\">\u7e3d\u7d50<\/h2>\n<p>\u5728Oracle\u8cc7\u6599\u5eab\u7684\u64cd\u4f5c\u4e2d\uff0c<code>SET<\/code>\u548c<code>COL<\/code>\u547d\u4ee4\u662f\u4e0d\u53ef\u6216\u7f3a\u7684\u5de5\u5177\u3002\u900f\u904e\u9019\u4e9b\u547d\u4ee4\uff0c\u7528\u6236\u53ef\u4ee5\u9748\u6d3b\u5730\u8abf\u6574\u67e5\u8a62\u7d50\u679c\u7684\u986f\u793a\u683c\u5f0f\uff0c\u5f9e\u800c\u63d0\u9ad8\u5de5\u4f5c\u6548\u7387\u3002\u7121\u8ad6\u662f\u5728\u65e5\u5e38\u7684\u8cc7\u6599\u67e5\u8a62\u9084\u662f\u5831\u8868\u751f\u6210\u4e2d\uff0c\u638c\u63e1\u9019\u4e9b\u547d\u4ee4\u90fd\u80fd\u5920\u5e6b\u52a9\u7528\u6236\u66f4\u597d\u5730\u7ba1\u7406\u548c\u5206\u6790\u8cc7\u6599\u3002<\/p>\n<p>\u82e5\u60a8\u5c0d\u65bc<code>SET<\/code>\u548c<code>COL<\/code>\u547d\u4ee4\u6709\u9032\u4e00\u6b65\u7684\u8208\u8da3\uff0c\u6216\u60f3\u4e86\u89e3\u66f4\u591a\u95dc\u65bc<code>VPS<\/code>\u3001<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u53ca\u5176\u4ed6\u76f8\u95dc\u6280\u8853\u7684\u8cc7\u8a0a\uff0c\u6b61\u8fce\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22Oracle set\u8207col\u547d\u4ee4\u7684\u4f7f\u7528\u6280\u5de7\uff0c\u63d0\u5347\u6578\u64da\u67e5\u8a62\u6548\u7387\uff0c\u7c21\u5316\u5831\u544a\u683c\u5f0f\uff0c\u52a9\u4f60\u8f15\u9b06\u7ba1\u7406\u8cc7\u6599\u5eab\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-94256","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/94256","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=94256"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/94256\/revisions"}],"predecessor-version":[{"id":94257,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/94256\/revisions\/94257"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=94256"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=94256"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=94256"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}