{"id":95132,"date":"2024-10-19T22:30:20","date_gmt":"2024-10-19T14:30:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/95132\/"},"modified":"2024-10-19T22:30:21","modified_gmt":"2024-10-19T14:30:21","slug":"oracle%e8%a4%87%e8%a3%bd%e8%a1%a8%e7%9a%84sql%e7%9a%84%e7%9b%b8%e9%97%9c%e8%aa%9e%e5%8f%a5%e7%9a%84%e6%87%89%e7%94%a8","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/95132\/","title":{"rendered":"Oracle\u8907\u88fd\u8868\u7684SQL\u7684\u76f8\u95dc\u8a9e\u53e5\u7684\u61c9\u7528"},"content":{"rendered":"<h1 id=\"oracle%e8%a4%87%e8%a3%bd%e8%a1%a8%e7%9a%84sql%e7%9a%84%e7%9b%b8%e9%97%9c%e8%aa%9e%e5%8f%a5%e7%9a%84%e6%87%89%e7%94%a8-gGBeCfPKOs\">Oracle\u8907\u88fd\u8868\u7684SQL\u7684\u76f8\u95dc\u8a9e\u53e5\u7684\u61c9\u7528<\/h1>\n<p>\u5728\u8cc7\u6599\u5eab\u7ba1\u7406\u4e2d\uff0c\u8907\u88fd\u8868\u662f\u4e00\u500b\u5e38\u898b\u7684\u9700\u6c42\uff0c\u5c24\u5176\u662f\u5728\u9032\u884c\u8cc7\u6599\u5099\u4efd\u3001\u6e2c\u8a66\u6216\u6578\u64da\u9077\u79fb\u6642\u3002Oracle\u8cc7\u6599\u5eab\u63d0\u4f9b\u4e86\u591a\u7a2e\u65b9\u6cd5\u4f86\u8907\u88fd\u8868\uff0c\u9019\u4e9b\u65b9\u6cd5\u5404\u6709\u5176\u7279\u9ede\u548c\u9069\u7528\u5834\u666f\u3002\u672c\u6587\u5c07\u63a2\u8a0eOracle\u8907\u88fd\u8868\u7684SQL\u8a9e\u53e5\u53ca\u5176\u61c9\u7528\u3002<\/p>\n<h2 id=\"1-%e4%bd%bf%e7%94%a8create-table-as-select%e8%aa%9e%e5%8f%a5-gGBeCfPKOs\">1. \u4f7f\u7528CREATE TABLE AS SELECT\u8a9e\u53e5<\/h2>\n<p>\u6700\u5e38\u898b\u7684\u8907\u88fd\u8868\u65b9\u6cd5\u662f\u4f7f\u7528<code>CREATE TABLE AS SELECT<\/code>\u8a9e\u53e5\u3002\u9019\u7a2e\u65b9\u6cd5\u4e0d\u50c5\u53ef\u4ee5\u8907\u88fd\u8868\u7d50\u69cb\uff0c\u9084\u53ef\u4ee5\u9078\u64c7\u6027\u5730\u8907\u88fd\u6578\u64da\u3002<\/p>\n<pre><code>CREATE TABLE new_table AS SELECT * FROM original_table;<\/code><\/pre>\n<p>\u4e0a\u8ff0\u8a9e\u53e5\u5c07\u5275\u5efa\u4e00\u500b\u540d\u70ba<code>new_table<\/code>\u7684\u65b0\u8868\uff0c\u4e26\u5c07<code>original_table<\/code>\u4e2d\u7684\u6240\u6709\u6578\u64da\u8907\u88fd\u904e\u4f86\u3002\u5982\u679c\u53ea\u60f3\u8907\u88fd\u7d50\u69cb\u800c\u4e0d\u8907\u88fd\u6578\u64da\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8a9e\u53e5\uff1a<\/p>\n<pre><code>CREATE TABLE new_table AS SELECT * FROM original_table WHERE 1=0;<\/code><\/pre>\n<h2 id=\"2-%e4%bd%bf%e7%94%a8insert-into%e8%aa%9e%e5%8f%a5-gGBeCfPKOs\">2. \u4f7f\u7528INSERT INTO\u8a9e\u53e5<\/h2>\n<p>\u5982\u679c\u5df2\u7d93\u6709\u4e00\u500b\u7a7a\u7684\u76ee\u6a19\u8868\uff0c\u5247\u53ef\u4ee5\u4f7f\u7528<code>INSERT INTO<\/code>\u8a9e\u53e5\u5c07\u6578\u64da\u5f9e\u4e00\u500b\u8868\u8907\u88fd\u5230\u53e6\u4e00\u500b\u8868\u3002<\/p>\n<pre><code>INSERT INTO new_table SELECT * FROM original_table;<\/code><\/pre>\n<p>\u9019\u7a2e\u65b9\u6cd5\u8981\u6c42\u76ee\u6a19\u8868\u7684\u7d50\u69cb\u5fc5\u9808\u8207\u6e90\u8868\u76f8\u540c\uff0c\u5426\u5247\u6703\u51fa\u73fe\u932f\u8aa4\u3002\u5982\u679c\u53ea\u60f3\u8907\u88fd\u7279\u5b9a\u7684\u5217\uff0c\u53ef\u4ee5\u6307\u5b9a\u5217\u540d\uff1a<\/p>\n<pre><code>INSERT INTO new_table (column1, column2) SELECT column1, column2 FROM original_table;<\/code><\/pre>\n<h2 id=\"3-%e4%bd%bf%e7%94%a8dbms_metadata%e5%8c%85-gGBeCfPKOs\">3. \u4f7f\u7528DBMS_METADATA\u5305<\/h2>\n<p>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u53ef\u80fd\u9700\u8981\u8907\u88fd\u8868\u7684\u7d50\u69cb\u548c\u7d04\u675f\u689d\u4ef6\u3002\u9019\u6642\u53ef\u4ee5\u4f7f\u7528<code>DBMS_METADATA<\/code>\u5305\u4f86\u7372\u53d6\u8868\u7684DDL\u8a9e\u53e5\uff0c\u7136\u5f8c\u57f7\u884c\u9019\u4e9b\u8a9e\u53e5\u4f86\u5275\u5efa\u65b0\u8868\u3002<\/p>\n<pre><code>SET LONG 10000;\nSELECT DBMS_METADATA.GET_DDL('TABLE', 'original_table') FROM dual;<\/code><\/pre>\n<p>\u9019\u5c07\u8fd4\u56de<code>original_table<\/code>\u7684DDL\u8a9e\u53e5\uff0c\u7136\u5f8c\u53ef\u4ee5\u6839\u64da\u9700\u8981\u9032\u884c\u4fee\u6539\u4ee5\u5275\u5efa\u65b0\u8868\u3002<\/p>\n<h2 id=\"4-%e4%bd%bf%e7%94%a8%e8%b3%87%e6%96%99%e6%b3%b5%ef%bc%88data-pump%ef%bc%89-gGBeCfPKOs\">4. \u4f7f\u7528\u8cc7\u6599\u6cf5\uff08Data Pump\uff09<\/h2>\n<p>\u5c0d\u65bc\u5927\u578b\u8cc7\u6599\u96c6\u6216\u9700\u8981\u8907\u88fd\u591a\u500b\u8868\u7684\u60c5\u6cc1\uff0cOracle\u7684\u8cc7\u6599\u6cf5\u5de5\u5177\u662f\u4e00\u500b\u975e\u5e38\u6709\u6548\u7684\u9078\u64c7\u3002\u8cc7\u6599\u6cf5\u53ef\u4ee5\u5feb\u901f\u5730\u5c0e\u51fa\u548c\u5c0e\u5165\u8cc7\u6599\uff0c\u4e26\u652f\u6301\u591a\u7a2e\u9078\u9805\u4f86\u63a7\u5236\u8907\u88fd\u7684\u5167\u5bb9\u3002<\/p>\n<pre><code>expdp user\/password DIRECTORY=dpump_dir DUMPFILE=export.dmp SCHEMAS=schema_name<\/code><\/pre>\n<p>\u7136\u5f8c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u5c0e\u5165\u6578\u64da\uff1a<\/p>\n<pre><code>impdp user\/password DIRECTORY=dpump_dir DUMPFILE=export.dmp<\/code><\/pre>\n<h2 id=\"5-%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-gGBeCfPKOs\">5. \u6ce8\u610f\u4e8b\u9805<\/h2>\n<ul>\n<li>\u5728\u8907\u88fd\u8868\u6642\uff0c\u9700\u6ce8\u610f\u76ee\u6a19\u8868\u7684\u547d\u540d\u898f\u5247\u548c\u7d04\u675f\u689d\u4ef6\u3002<\/li>\n<li>\u78ba\u4fdd\u5728\u8907\u88fd\u904e\u7a0b\u4e2d\u4e0d\u6703\u5f71\u97ff\u5230\u6b63\u5728\u904b\u884c\u7684\u61c9\u7528\u7a0b\u5e8f\u3002<\/li>\n<li>\u5c0d\u65bc\u5927\u578b\u8868\uff0c\u5efa\u8b70\u5728\u4f4e\u5cf0\u6642\u6bb5\u9032\u884c\u8907\u88fd\uff0c\u4ee5\u6e1b\u5c11\u5c0d\u7cfb\u7d71\u6027\u80fd\u7684\u5f71\u97ff\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-gGBeCfPKOs\">\u7e3d\u7d50<\/h2>\n<p>Oracle\u63d0\u4f9b\u4e86\u591a\u7a2e\u65b9\u6cd5\u4f86\u8907\u88fd\u8868\uff0c\u5f9e\u7c21\u55ae\u7684<code>CREATE TABLE AS SELECT<\/code>\u5230\u66f4\u8907\u96dc\u7684\u8cc7\u6599\u6cf5\u5de5\u5177\uff0c\u6bcf\u7a2e\u65b9\u6cd5\u90fd\u6709\u5176\u7279\u5b9a\u7684\u61c9\u7528\u5834\u666f\u3002\u6839\u64da\u9700\u6c42\u9078\u64c7\u5408\u9069\u7684\u8907\u88fd\u65b9\u5f0f\uff0c\u53ef\u4ee5\u6709\u6548\u63d0\u9ad8\u8cc7\u6599\u7ba1\u7406\u7684\u6548\u7387\u3002<\/p>\n<p>\u5982\u679c\u60a8\u5c0d\u65bc<code>VPS<\/code>\u3001<code>\u9999\u6e2fVPS<\/code>\u6216\u5176\u4ed6<code>\u670d\u52a1\u5668<\/code>\u89e3\u6c7a\u65b9\u6848\u611f\u8208\u8da3\uff0c\u6b61\u8fce\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9 <a href=\"https:\/\/server.hk\">Server.HK<\/a> \u7372\u53d6\u66f4\u591a\u8cc7\u8a0a\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22Oracle\u8907\u88fd\u8868\u7684SQL\u8a9e\u53e5\u61c9\u7528\uff0c\u4e86\u89e3\u5982\u4f55\u9ad8\u6548\u8907\u88fd\u6578\u64da\u4ee5\u63d0\u5347\u6578\u64da\u7ba1\u7406\u548c\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-95132","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/95132","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=95132"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/95132\/revisions"}],"predecessor-version":[{"id":95133,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/95132\/revisions\/95133"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=95132"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=95132"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=95132"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}