{"id":95322,"date":"2024-10-20T00:05:18","date_gmt":"2024-10-19T16:05:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/95322\/"},"modified":"2024-10-20T00:05:18","modified_gmt":"2024-10-19T16:05:18","slug":"oracle%e5%a6%82%e4%bd%95%e8%a4%87%e8%a3%bd%e8%a1%a8%e7%9a%84sql%e8%aa%9e%e5%8f%a5","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/95322\/","title":{"rendered":"Oracle\u5982\u4f55\u8907\u88fd\u8868\u7684SQL\u8a9e\u53e5"},"content":{"rendered":"<h1 id=\"oracle%e5%a6%82%e4%bd%95%e8%a4%87%e8%a3%bd%e8%a1%a8%e7%9a%84sql%e8%aa%9e%e5%8f%a5-acpJXDIdeE\">Oracle\u5982\u4f55\u8907\u88fd\u8868\u7684SQL\u8a9e\u53e5<\/h1>\n<p>\u5728Oracle\u6578\u64da\u5eab\u4e2d\uff0c\u8907\u88fd\u8868\u662f\u4e00\u500b\u5e38\u898b\u7684\u64cd\u4f5c\uff0c\u5c24\u5176\u662f\u5728\u6578\u64da\u9077\u79fb\u3001\u5099\u4efd\u6216\u6e2c\u8a66\u74b0\u5883\u4e2d\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u4f7f\u7528SQL\u8a9e\u53e5\u4f86\u8907\u88fd\u8868\uff0c\u5305\u62ec\u7d50\u69cb\u548c\u6578\u64da\u7684\u8907\u88fd\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u7bc4\u4f8b\u3002<\/p>\n<h2 id=\"%e8%a4%87%e8%a3%bd%e8%a1%a8%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%96%b9%e6%b3%95-acpJXDIdeE\">\u8907\u88fd\u8868\u7684\u57fa\u672c\u65b9\u6cd5<\/h2>\n<p>\u5728Oracle\u4e2d\uff0c\u8907\u88fd\u8868\u7684\u57fa\u672c\u65b9\u6cd5\u662f\u4f7f\u7528<code>CREATE TABLE AS SELECT<\/code>\u8a9e\u53e5\u3002\u9019\u500b\u8a9e\u53e5\u4e0d\u50c5\u53ef\u4ee5\u8907\u88fd\u8868\u7684\u7d50\u69cb\uff0c\u9084\u53ef\u4ee5\u9078\u64c7\u6027\u5730\u8907\u88fd\u6578\u64da\u3002<\/p>\n<h3 id=\"%e8%a4%87%e8%a3%bd%e8%a1%a8%e7%b5%90%e6%a7%8b-acpJXDIdeE\">\u8907\u88fd\u8868\u7d50\u69cb<\/h3>\n<p>\u5982\u679c\u60a8\u53ea\u60f3\u8907\u88fd\u8868\u7684\u7d50\u69cb\u800c\u4e0d\u8907\u88fd\u6578\u64da\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bSQL\u8a9e\u53e5\uff1a<\/p>\n<pre><code>CREATE TABLE new_table AS SELECT * FROM original_table WHERE 1=0;<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c<code>new_table<\/code>\u662f\u65b0\u8868\u7684\u540d\u7a31\uff0c\u800c<code>original_table<\/code>\u662f\u8981\u8907\u88fd\u7684\u539f\u59cb\u8868\u3002\u689d\u4ef6<code>WHERE 1=0<\/code>\u78ba\u4fdd\u4e0d\u6703\u8907\u88fd\u4efb\u4f55\u6578\u64da\uff0c\u53ea\u6703\u5275\u5efa\u4e00\u500b\u7a7a\u7684\u65b0\u8868\u3002<\/p>\n<h3 id=\"%e8%a4%87%e8%a3%bd%e8%a1%a8%e7%b5%90%e6%a7%8b%e5%92%8c%e6%95%b8%e6%93%9a-acpJXDIdeE\">\u8907\u88fd\u8868\u7d50\u69cb\u548c\u6578\u64da<\/h3>\n<p>\u5982\u679c\u60a8\u5e0c\u671b\u540c\u6642\u8907\u88fd\u8868\u7684\u7d50\u69cb\u548c\u6578\u64da\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bSQL\u8a9e\u53e5\uff1a<\/p>\n<pre><code>CREATE TABLE new_table AS SELECT * FROM original_table;<\/code><\/pre>\n<p>\u9019\u6a23\u6703\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<\/p>\n<h2 id=\"%e8%a4%87%e8%a3%bd%e8%a1%a8%e7%9a%84%e5%85%b6%e4%bb%96%e9%81%b8%e9%a0%85-acpJXDIdeE\">\u8907\u88fd\u8868\u7684\u5176\u4ed6\u9078\u9805<\/h2>\n<p>\u9664\u4e86\u57fa\u672c\u7684\u8907\u88fd\u65b9\u6cd5\uff0cOracle\u9084\u63d0\u4f9b\u4e86\u4e00\u4e9b\u5176\u4ed6\u9078\u9805\u4f86\u9032\u4e00\u6b65\u81ea\u5b9a\u7fa9\u8907\u88fd\u904e\u7a0b\u3002<\/p>\n<h3 id=\"%e9%81%b8%e6%93%87%e6%80%a7%e8%a4%87%e8%a3%bd%e6%95%b8%e6%93%9a-acpJXDIdeE\">\u9078\u64c7\u6027\u8907\u88fd\u6578\u64da<\/h3>\n<p>\u5982\u679c\u60a8\u53ea\u60f3\u8907\u88fd\u7b26\u5408\u7279\u5b9a\u689d\u4ef6\u7684\u6578\u64da\uff0c\u53ef\u4ee5\u5728<code>SELECT<\/code>\u8a9e\u53e5\u4e2d\u6dfb\u52a0\u689d\u4ef6\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>CREATE TABLE new_table AS SELECT * FROM original_table WHERE column_name = 'some_value';<\/code><\/pre>\n<p>\u9019\u6a23\u53ea\u6703\u8907\u88fd\u90a3\u4e9b\u5728<code>column_name<\/code>\u5217\u4e2d\u7b26\u5408<code>'some_value'<\/code>\u689d\u4ef6\u7684\u6578\u64da\u3002<\/p>\n<h3 id=\"%e8%a4%87%e8%a3%bd%e8%a1%a8%e7%9a%84%e7%b4%a2%e5%bc%95%e5%92%8c%e7%b4%84%e6%9d%9f-acpJXDIdeE\">\u8907\u88fd\u8868\u7684\u7d22\u5f15\u548c\u7d04\u675f<\/h3>\n<p>\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u4f7f\u7528<code>CREATE TABLE AS SELECT<\/code>\u8a9e\u53e5\u8907\u88fd\u8868\u6642\uff0c\u7d22\u5f15\u548c\u7d04\u675f\u4e0d\u6703\u81ea\u52d5\u8907\u88fd\u3002\u5982\u679c\u9700\u8981\u4fdd\u7559\u9019\u4e9b\u5c6c\u6027\uff0c\u60a8\u9700\u8981\u624b\u52d5\u5275\u5efa\u7d22\u5f15\u548c\u7d04\u675f\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>CREATE INDEX idx_new_table ON new_table(column_name);<\/code><\/pre>\n<p>\u9019\u6a23\u53ef\u4ee5\u5728\u65b0\u8868\u4e0a\u5275\u5efa\u4e00\u500b\u7d22\u5f15\u3002<\/p>\n<h2 id=\"%e4%bd%bf%e7%94%a8pl-sql%e8%a4%87%e8%a3%bd%e8%a1%a8-acpJXDIdeE\">\u4f7f\u7528PL\/SQL\u8907\u88fd\u8868<\/h2>\n<p>\u5982\u679c\u9700\u8981\u66f4\u8907\u96dc\u7684\u8907\u88fd\u64cd\u4f5c\uff0c\u53ef\u4ee5\u8003\u616e\u4f7f\u7528PL\/SQL\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684PL\/SQL\u7bc4\u4f8b\uff0c\u7528\u65bc\u8907\u88fd\u8868\u7684\u7d50\u69cb\u548c\u6578\u64da\uff1a<\/p>\n<pre><code>BEGIN\n    EXECUTE IMMEDIATE 'CREATE TABLE new_table AS SELECT * FROM original_table';\nEND;<\/code><\/pre>\n<p>\u9019\u6bb5\u4ee3\u78bc\u5c07\u5728PL\/SQL\u584a\u4e2d\u57f7\u884c<code>CREATE TABLE AS SELECT<\/code>\u8a9e\u53e5\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-acpJXDIdeE\">\u7e3d\u7d50<\/h2>\n<p>\u5728Oracle\u4e2d\uff0c\u8907\u88fd\u8868\u7684\u64cd\u4f5c\u53ef\u4ee5\u901a\u904e\u591a\u7a2e\u65b9\u5f0f\u5be6\u73fe\uff0c\u7121\u8ad6\u662f\u50c5\u8907\u88fd\u7d50\u69cb\u9084\u662f\u540c\u6642\u8907\u88fd\u6578\u64da\u3002\u4f7f\u7528<code>CREATE TABLE AS SELECT<\/code>\u8a9e\u53e5\u662f\u6700\u5e38\u898b\u7684\u65b9\u6cd5\uff0c\u4f46\u5728\u9700\u8981\u6642\u4e5f\u53ef\u4ee5\u4f7f\u7528PL\/SQL\u9032\u884c\u66f4\u9748\u6d3b\u7684\u64cd\u4f5c\u3002\u4e86\u89e3\u9019\u4e9b\u57fa\u672c\u64cd\u4f5c\u5f8c\uff0c\u60a8\u53ef\u4ee5\u66f4\u6709\u6548\u5730\u7ba1\u7406\u6578\u64da\u5eab\u4e2d\u7684\u8868\u3002<\/p>\n<p>\u5982\u679c\u60a8\u5c0d\u65bc\u6578\u64da\u5eab\u7ba1\u7406\u6709\u9032\u4e00\u6b65\u7684\u9700\u6c42\uff0c\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u4f86\u63d0\u5347\u60a8\u7684\u6578\u64da\u8655\u7406\u80fd\u529b\uff0c\u7121\u8ad6\u662f\u9032\u884c\u6578\u64da\u5099\u4efd\u9084\u662f\u6e2c\u8a66\u74b0\u5883\u7684\u642d\u5efa\uff0c\u90fd\u662f\u4e00\u500b\u4e0d\u932f\u7684\u9078\u64c7\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3Oracle\u4e2d\u8907\u88fd\u8868\u7684SQL\u8a9e\u53e5\uff0c\u5b78\u7fd2\u5982\u4f55\u9ad8\u6548\u5730\u8907\u88fd\u6578\u64da\u7d50\u69cb\u548c\u5167\u5bb9\uff0c\u63d0\u5347\u6578\u64da\u7ba1\u7406\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-95322","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/95322","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=95322"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/95322\/revisions"}],"predecessor-version":[{"id":95323,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/95322\/revisions\/95323"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=95322"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=95322"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=95322"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}