{"id":15483,"date":"2023-12-04T20:21:58","date_gmt":"2023-12-04T12:21:58","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=15483"},"modified":"2023-12-04T20:22:42","modified_gmt":"2023-12-04T12:22:42","slug":"oracle-zhong-ru-he-shi-yong-oracle-de-you-biao","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/12\/04\/oracle-zhong-ru-he-shi-yong-oracle-de-you-biao\/","title":{"rendered":"Oracle \u4e2d\u5982\u4f55\u4f7f\u7528 Oracle \u7684\u6e38\u6807\uff1f"},"content":{"rendered":"<p>\u5728 Oracle \u4e2d\uff0c\u6e38\u6807\u662f\u4e00\u79cd\u7528\u4e8e\u5904\u7406\u67e5\u8be2\u7ed3\u679c\u96c6\u7684\u6570\u636e\u5e93\u5bf9\u8c61\u3002\u5b83\u53ef\u4ee5\u88ab\u7528\u6765\u8fed\u4ee3\u8bbf\u95ee\u67e5\u8be2\u8fd4\u56de\u7684\u6570\u636e\u884c\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528\u6e38\u6807\u7684\u4e00\u822c\u6b65\u9aa4\uff1a<\/p>\n<ol>\n<li><strong>\u58f0\u660e\u6e38\u6807<\/strong>\uff1a\n<ul>\n<li>\u4f7f\u7528 <code>DECLARE<\/code> \u5173\u952e\u5b57\u58f0\u660e\u6e38\u6807\uff0c\u6307\u5b9a\u67e5\u8be2\u7684 SELECT \u8bed\u53e5\u3002<\/li>\n<li>\u4f8b\u5982\uff1a<br \/>\n<code>sql<br \/>\nDECLARE<br \/>\ncursor_name CURSOR FOR<br \/>\n SELECT column1, column2 FROM your_table WHERE condition;<\/code><\/li>\n<\/ul>\n<\/li>\n<li><strong>\u6253\u5f00\u6e38\u6807<\/strong>\uff1a\n<ul>\n<li>\u4f7f\u7528 <code>OPEN<\/code> \u547d\u4ee4\u6253\u5f00\u6e38\u6807\uff0c\u4f7f\u5176\u51c6\u5907\u597d\u8bfb\u53d6\u6570\u636e\u3002<\/li>\n<li>\u4f8b\u5982\uff1a<br \/>\n<code>sql<br \/>\nOPEN cursor_name;<\/code><\/li>\n<\/ul>\n<\/li>\n<li><strong>\u4f7f\u7528\u6e38\u6807<\/strong>\uff1a\n<ul>\n<li>\u4f7f\u7528 <code>FETCH<\/code> \u547d\u4ee4\u6765\u83b7\u53d6\u6e38\u6807\u6307\u5411\u7684\u5f53\u524d\u884c\uff0c\u5e76\u5bf9\u6570\u636e\u8fdb\u884c\u64cd\u4f5c\u3002<\/li>\n<li>\u4f8b\u5982\uff1a<br \/>\n<code>sql<br \/>\nFETCH cursor_name INTO variable1, variable2;<br \/>\n-- \u5728\u8fd9\u91cc\u5bf9\u83b7\u53d6\u5230\u7684\u53d8\u91cf\u8fdb\u884c\u5904\u7406<\/code><\/li>\n<\/ul>\n<\/li>\n<li><strong>\u5173\u95ed\u6e38\u6807<\/strong>\uff1a\n<ul>\n<li>\u4f7f\u7528 <code>CLOSE<\/code> \u547d\u4ee4\u5173\u95ed\u6e38\u6807\uff0c\u91ca\u653e\u8d44\u6e90\u3002<\/li>\n<li>\u4f8b\u5982\uff1a<br \/>\n<code>sql<br \/>\nCLOSE cursor_name;<\/code><\/li>\n<\/ul>\n<\/li>\n<li><strong>\u5f02\u5e38\u5904\u7406<\/strong>\uff08\u53ef\u9009\uff09\uff1a\n<ul>\n<li>\u53ef\u4ee5\u4f7f\u7528\u5f02\u5e38\u5904\u7406\u6765\u5904\u7406\u6e38\u6807\u4f7f\u7528\u8fc7\u7a0b\u4e2d\u7684\u5f02\u5e38\u60c5\u51b5\uff0c\u786e\u4fdd\u8d44\u6e90\u88ab\u6b63\u786e\u91ca\u653e\u3002<\/li>\n<li>\u4f8b\u5982\uff1a<br \/>\n<code>sql<br \/>\nEXCEPTION<br \/>\nWHEN others THEN<br \/>\n -- \u5904\u7406\u5f02\u5e38\u60c5\u51b5<\/code><\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<p>\u6e38\u6807\u5141\u8bb8\u9010\u884c\u5904\u7406\u67e5\u8be2\u7ed3\u679c\u96c6\uff0c\u9002\u7528\u4e8e\u9700\u8981\u5bf9\u7ed3\u679c\u96c6\u8fdb\u884c\u9010\u884c\u64cd\u4f5c\u7684\u60c5\u51b5\u3002\u5728\u5904\u7406\u5b8c\u7ed3\u679c\u96c6\u540e\uff0c\u4e00\u5b9a\u8981\u8bb0\u5f97\u5173\u95ed\u6e38\u6807\u4ee5\u91ca\u653e\u8d44\u6e90\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728 Oracle \u4e2d\uff0c\u6e38\u6807\u662f\u4e00\u79cd\u7528\u4e8e\u5904\u7406\u67e5\u8be2\u7ed3\u679c\u96c6\u7684\u6570\u636e\u5e93\u5bf9\u8c61\u3002\u5b83\u53ef\u4ee5\u88ab\u7528\u6765\u8fed\u4ee3\u8bbf\u95ee\u67e5\u8be2\u8fd4\u56de\u7684\u6570\u636e\u884c\u3002\u4ee5\u4e0b\u662f\u4f7f [&hellip;]<\/p>\n","protected":false},"author":11,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[120],"tags":[],"class_list":["post-15483","post","type-post","status-publish","format-standard","hentry","category-oracel"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/15483","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/users\/11"}],"replies":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/comments?post=15483"}],"version-history":[{"count":1,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/15483\/revisions"}],"predecessor-version":[{"id":15484,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/15483\/revisions\/15484"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=15483"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=15483"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=15483"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}