{"id":5046,"date":"2024-11-14T09:37:14","date_gmt":"2024-11-14T01:37:14","guid":{"rendered":"https:\/\/fwq.ai\/blog\/5046\/"},"modified":"2024-11-14T09:37:14","modified_gmt":"2024-11-14T01:37:14","slug":"oracle%e4%b8%8d%e7%ad%89%e4%ba%8e1%e6%80%8e%e4%b9%88%e6%9f%a5%e8%af%a2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/5046\/","title":{"rendered":"oracle\u4e0d\u7b49\u4e8e1\u600e\u4e48\u67e5\u8be2"},"content":{"rendered":"<blockquote><p>\n  \u5728oracle\u4e2d\uff0c\u4f7f\u7528!=\u8fd0\u7b97\u7b26\u67e5\u8be2\u4e0d\u7b49\u4e8e1\u7684oracle\u503c\u3002\u901a\u8fc7select\u8bed\u53e5\uff0c\u6307\u5b9a\u8981\u67e5\u8be2\u7684\u8868\u548c\u5217\uff0c\u7528where\u5b50\u53e5\u6dfb\u52a0!= 1\u6761\u4ef6\uff0c\u4f8b\u5982\uff1aselect * from table_name where column_name != 1;\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202405\/21\/2024052112452199996.jpg\" class=\"aligncenter\" title=\"oracle\u4e0d\u7b49\u4e8e1\u600e\u4e48\u67e5\u8be2\u63d2\u56fe\" alt=\"oracle\u4e0d\u7b49\u4e8e1\u600e\u4e48\u67e5\u8be2\u63d2\u56fe\" \/><\/p>\n<p><strong>Oracle\u4e2d\u975e1\u7b49\u4e8eOracle<\/strong><\/p>\n<p><strong>\u95ee\u9898\uff1a<\/strong><br \/>\u5728Oracle\u6570\u636e\u5e93\u4e2d\uff0c\u5982\u4f55\u67e5\u8be2\u4e0d\u7b49\u4e8e1\u7684Oracle\u503c\uff1f<\/p>\n<p><strong>\u56de\u7b54\uff1a<\/strong><br \/>\u4f7f\u7528!=\u8fd0\u7b97\u7b26\u3002<\/p>\n<p><strong>\u8be6\u7ec6\u89e3\u91ca\uff1a<\/strong><\/p>\n<p>!=\u8fd0\u7b97\u7b26\u662fOracle\u4e2d\u7528\u4e8e\u6bd4\u8f83\u4e24\u4e2a\u503c\u662f\u5426\u4e0d\u76f8\u7b49\u7684\u8fd0\u7b97\u7b26\u3002\u5728Oracle\u4e2d\uff0cOracle\u662f\u4e00\u4e2a\u7279\u6b8a\u503c\uff0c\u8868\u793a\u7a7a\u503c\u6216\u7f3a\u5931\u503c\u3002\u56e0\u6b64\uff0c\u8981\u67e5\u8be2\u4e0d\u7b49\u4e8e1\u7684Oracle\u503c\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u67e5\u8be2\uff1a<\/p>\n<pre>SELECT * FROM table_name WHERE column_name != 1;<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u5176\u4e2d\uff1a<\/p>\n<ul>\n<li>table_name\u662f\u5305\u542b\u6240\u67e5\u8be2\u5217\u7684\u8868\u540d\u3002<\/li>\n<li>column_name\u662f\u4e0d\u7b49\u4e8e1\u7684\u5217\u540d\u3002<\/li>\n<\/ul>\n<p><strong>\u793a\u4f8b\uff1a<\/strong><\/p>\n<p>\u5047\u8bbe\u6709\u4e00\u4e2a\u540d\u4e3aemployees\u7684\u8868\uff0c\u5176\u4e2d\u5305\u542bemp_id\u548csalary\u5217\u3002\u8981\u67e5\u8be2emp_id\u4e0d\u7b49\u4e8e1\u7684\u5458\u5de5\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u67e5\u8be2\uff1a<\/p>\n<pre>SELECT * FROM employees WHERE emp_id != 1;<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u8be5\u67e5\u8be2\u5c06\u8fd4\u56deemp_id\u4e0d\u7b49\u4e8e1\u7684\u6240\u6709\u5458\u5de5\u8bb0\u5f55\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662f\u4e0d\u7b49\u4e8e1\u600e\u4e48\u67e5\u8be2\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u7f51\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728oracle\u4e2d\uff0c\u4f7f\u7528!=\u8fd0\u7b97\u7b26\u67e5\u8be2\u4e0d\u7b49\u4e8e1\u7684oracle\u503c\u3002\u901a\u8fc7select\u8bed\u53e5\uff0c\u6307\u5b9a\u8981\u67e5\u8be2\u7684\u8868\u548c\u5217\uff0c\u7528where\u5b50\u53e5\u6dfb\u52a0!= 1\u6761\u4ef6\uff0c\u4f8b\u5982\uff1aselect * from table_name where column_name != 1;\u3002 Oracle\u4e2d\u975e1\u7b49\u4e8eOracle \u95ee\u9898\uff1a\u5728Oracle\u6570\u636e\u5e93\u4e2d\uff0c\u5982\u4f55\u67e5\u8be2\u4e0d\u7b49\u4e8e1\u7684Oracle\u503c\uff1f \u56de\u7b54\uff1a\u4f7f\u7528!=\u8fd0\u7b97\u7b26\u3002 \u8be6\u7ec6\u89e3\u91ca\uff1a !=\u8fd0\u7b97\u7b26\u662fOracle\u4e2d\u7528\u4e8e\u6bd4\u8f83\u4e24\u4e2a\u503c\u662f\u5426\u4e0d\u76f8\u7b49\u7684\u8fd0\u7b97\u7b26\u3002\u5728Oracle\u4e2d\uff0cOracle\u662f\u4e00\u4e2a\u7279\u6b8a\u503c\uff0c\u8868\u793a\u7a7a\u503c\u6216\u7f3a\u5931\u503c\u3002\u56e0\u6b64\uff0c\u8981\u67e5\u8be2\u4e0d\u7b49\u4e8e1\u7684Oracle\u503c\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u67e5\u8be2\uff1a SELECT * FROM table_name WHERE column_name != 1; \u767b\u5f55\u540e\u590d\u5236 \u5176\u4e2d\uff1a table_name\u662f\u5305\u542b\u6240\u67e5\u8be2\u5217\u7684\u8868\u540d\u3002 column_name\u662f\u4e0d\u7b49\u4e8e1\u7684\u5217\u540d\u3002 \u793a\u4f8b\uff1a \u5047\u8bbe\u6709\u4e00\u4e2a\u540d\u4e3aemployees\u7684\u8868\uff0c\u5176\u4e2d\u5305\u542bemp_id\u548csalary\u5217\u3002\u8981\u67e5\u8be2emp_id\u4e0d\u7b49\u4e8e1\u7684\u5458\u5de5\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u67e5\u8be2\uff1a SELECT * FROM employees WHERE emp_id != 1; \u767b\u5f55\u540e\u590d\u5236 \u8be5\u67e5\u8be2\u5c06\u8fd4\u56deemp_id\u4e0d\u7b49\u4e8e1\u7684\u6240\u6709\u5458\u5de5\u8bb0\u5f55\u3002 \u4ee5\u4e0a\u5c31\u662f\u4e0d\u7b49\u4e8e1\u600e\u4e48\u67e5\u8be2\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u7f51\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-5046","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/5046","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=5046"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/5046\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=5046"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=5046"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=5046"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}