{"id":15783,"date":"2023-12-04T22:46:41","date_gmt":"2023-12-04T14:46:41","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=15783"},"modified":"2023-12-04T22:52:47","modified_gmt":"2023-12-04T14:52:47","slug":"oracle-zhong-de-rowid-he-rownum-you-shen-me-qu-bie","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/12\/04\/oracle-zhong-de-rowid-he-rownum-you-shen-me-qu-bie\/","title":{"rendered":"Oracle \u4e2d\u7684 rowid \u548c rownum \u6709\u4ec0\u4e48\u533a\u522b\uff1f"},"content":{"rendered":"<p><code>ROWID<\/code> \u548c <code>ROWNUM<\/code> \u662f Oracle \u6570\u636e\u5e93\u4e2d\u4e24\u4e2a\u4e0d\u540c\u7684\u6982\u5ff5\uff0c\u5b83\u4eec\u7528\u4e8e\u4e0d\u540c\u7684\u76ee\u7684\uff0c\u5e76\u6709\u4e00\u4e9b\u5173\u952e\u7684\u533a\u522b\uff1a<\/p>\n<h3><a id=\"rowid%EF%BC%9A\" class=\"anchor\" aria-hidden=\"true\"><span class=\"octicon octicon-link\"><\/span><\/a>ROWID\uff1a<\/h3>\n<ol>\n<li>\n<strong>\u542b\u4e49\uff1a<\/strong><\/p>\n<ul>\n<li><code>ROWID<\/code> \u662f Oracle \u4e2d\u7528\u4e8e\u552f\u4e00\u6807\u8bc6\u8868\u4e2d\u884c\u7684\u7269\u7406\u5730\u5740\u7684\u6807\u8bc6\u7b26\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n<strong>\u7ed3\u6784\uff1a<\/strong><\/p>\n<ul>\n<li><code>ROWID<\/code> \u7684\u7ed3\u6784\u5305\u62ec\u6570\u636e\u6587\u4ef6\u53f7\u3001\u6570\u636e\u5757\u53f7\u3001\u884c\u53f7\u548c\u884c\u6807\u8bc6\u7b26\u3002\u5b83\u662f\u4e00\u4e2a\u552f\u4e00\u7684\u3001\u5e95\u5c42\u7684\u884c\u6807\u8bc6\u7b26\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n<strong>\u4f7f\u7528\u573a\u666f\uff1a<\/strong><\/p>\n<ul>\n<li>\u901a\u5e38\u7528\u4e8e\u5feb\u901f\u68c0\u7d22\u548c\u5b9a\u4f4d\u8868\u4e2d\u7684\u7279\u5b9a\u884c\uff0c\u7279\u522b\u662f\u5728\u6267\u884c\u6570\u636e\u4fee\u6539\u6216\u5220\u9664\u64cd\u4f5c\u65f6\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n<strong>\u793a\u4f8b\uff1a<\/strong><\/p>\n<pre><code class=\"language-sql\">SELECT ROWID, column1, column2\nFROM table_name\nWHERE condition;\n<\/code><\/pre>\n<\/li>\n<\/ol>\n<h3><a id=\"rownum%EF%BC%9A\" class=\"anchor\" aria-hidden=\"true\"><span class=\"octicon octicon-link\"><\/span><\/a>ROWNUM\uff1a<\/h3>\n<ol>\n<li>\n<strong>\u542b\u4e49\uff1a<\/strong><\/p>\n<ul>\n<li><code>ROWNUM<\/code> \u662f\u4e00\u4e2a\u4f2a\u5217\uff0c\u7528\u4e8e\u5bf9\u67e5\u8be2\u7ed3\u679c\u96c6\u4e2d\u7684\u884c\u8fdb\u884c\u7f16\u53f7\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n<strong>\u7ed3\u6784\uff1a<\/strong><\/p>\n<ul>\n<li><code>ROWNUM<\/code> \u662f\u4e00\u4e2a\u5e8f\u53f7\uff0c\u5bf9\u67e5\u8be2\u7ed3\u679c\u4e2d\u7684\u884c\u6309\u7167\u5176\u88ab\u68c0\u7d22\u7684\u987a\u5e8f\u8fdb\u884c\u7f16\u53f7\uff0c\u4f46\u4e0d\u662f\u884c\u5728\u8868\u4e2d\u7684\u7269\u7406\u5730\u5740\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n<strong>\u4f7f\u7528\u573a\u666f\uff1a<\/strong><\/p>\n<ul>\n<li>\u901a\u5e38\u7528\u4e8e\u9650\u5236\u67e5\u8be2\u7ed3\u679c\u7684\u6570\u91cf\uff0c\u4f8b\u5982\u53ea\u83b7\u53d6\u524d\u51e0\u884c\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n<strong>\u793a\u4f8b\uff1a<\/strong><\/p>\n<pre><code class=\"language-sql\">SELECT ROWNUM, column1, column2\nFROM table_name\nWHERE condition;\n<\/code><\/pre>\n<\/li>\n<\/ol>\n<h3><a id=\"%E5%8C%BA%E5%88%AB%EF%BC%9A\" class=\"anchor\" aria-hidden=\"true\"><span class=\"octicon octicon-link\"><\/span><\/a>\u533a\u522b\uff1a<\/h3>\n<ol>\n<li>\n<strong>\u76ee\u7684\uff1a<\/strong><\/p>\n<ul>\n<li><code>ROWID<\/code> \u7528\u4e8e\u552f\u4e00\u6807\u8bc6\u8868\u4e2d\u884c\u7684\u7269\u7406\u5730\u5740\uff0c\u7528\u4e8e\u5feb\u901f\u8bbf\u95ee\u548c\u4fee\u6539\u6570\u636e\u3002<\/li>\n<li><code>ROWNUM<\/code> \u7528\u4e8e\u5bf9\u67e5\u8be2\u7ed3\u679c\u4e2d\u7684\u884c\u8fdb\u884c\u7f16\u53f7\uff0c\u901a\u5e38\u7528\u4e8e\u9650\u5236\u67e5\u8be2\u7ed3\u679c\u7684\u6570\u91cf\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n<strong>\u7ed3\u6784\uff1a<\/strong><\/p>\n<ul>\n<li><code>ROWID<\/code> \u5305\u542b\u6709\u5173\u884c\u7684\u7269\u7406\u4f4d\u7f6e\u7684\u8be6\u7ec6\u4fe1\u606f\u3002<\/li>\n<li><code>ROWNUM<\/code> \u53ea\u662f\u4e00\u4e2a\u884c\u53f7\uff0c\u6309\u7167\u67e5\u8be2\u7ed3\u679c\u4e2d\u884c\u7684\u987a\u5e8f\u5206\u914d\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n<strong>\u552f\u4e00\u6027\uff1a<\/strong><\/p>\n<ul>\n<li><code>ROWID<\/code> \u662f\u552f\u4e00\u7684\uff0c\u6bcf\u884c\u90fd\u6709\u4e00\u4e2a\u72ec\u7279\u7684 <code>ROWID<\/code>\u3002<\/li>\n<li><code>ROWNUM<\/code> \u4e0d\u662f\u552f\u4e00\u7684\uff0c\u5bf9\u4e8e\u76f8\u540c\u7684\u67e5\u8be2\u7ed3\u679c\u96c6\u4e2d\u7684\u884c\uff0c<code>ROWNUM<\/code> \u53ef\u80fd\u76f8\u540c\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n<strong>\u67e5\u8be2\u9650\u5236\uff1a<\/strong><\/p>\n<ul>\n<li>\u5728\u67e5\u8be2\u7ed3\u679c\u96c6\u4e2d\u4f7f\u7528 <code>ROWNUM<\/code> \u65f6\uff0c\u5e94\u8be5\u5c0f\u5fc3\uff0c\u56e0\u4e3a\u5b83\u662f\u5728\u884c\u8fd4\u56de\u5230\u5ba2\u6237\u7aef\u4e4b\u524d\u5206\u914d\u7684\u3002\u4f8b\u5982\uff0c\u5982\u679c\u5728\u5916\u90e8\u67e5\u8be2\u4e2d\u4f7f\u7528 <code>ROWNUM<\/code> \u6765\u8fc7\u6ee4\u884c\uff0c\u5b83\u53ef\u80fd\u4e0d\u4f1a\u6309\u7167\u671f\u671b\u7684\u987a\u5e8f\u7f16\u53f7\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<p>\u603b\u4f53\u800c\u8a00\uff0c<code>ROWID<\/code> \u7528\u4e8e\u6807\u8bc6\u884c\u7684\u7269\u7406\u5730\u5740\uff0c\u800c <code>ROWNUM<\/code> \u7528\u4e8e\u5bf9\u67e5\u8be2\u7ed3\u679c\u4e2d\u7684\u884c\u8fdb\u884c\u7f16\u53f7\u3002\u5b83\u4eec\u6709\u7740\u4e0d\u540c\u7684\u5e94\u7528\u573a\u666f\u548c\u4f7f\u7528\u65b9\u5f0f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>ROWID \u548c ROWNUM \u662f Oracle \u6570\u636e\u5e93\u4e2d\u4e24\u4e2a\u4e0d\u540c\u7684\u6982\u5ff5\uff0c\u5b83\u4eec\u7528\u4e8e\u4e0d\u540c\u7684\u76ee\u7684\uff0c\u5e76\u6709\u4e00\u4e9b\u5173\u952e\u7684\u533a\u522b [&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-15783","post","type-post","status-publish","format-standard","hentry","category-oracel"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/15783","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=15783"}],"version-history":[{"count":1,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/15783\/revisions"}],"predecessor-version":[{"id":15784,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/15783\/revisions\/15784"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=15783"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=15783"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=15783"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}