{"id":5332,"date":"2024-11-14T09:54:03","date_gmt":"2024-11-14T01:54:03","guid":{"rendered":"https:\/\/fwq.ai\/blog\/5332\/"},"modified":"2024-11-14T09:54:03","modified_gmt":"2024-11-14T01:54:03","slug":"oracle%e6%9c%aa%e9%80%89%e5%ae%9a%e8%a1%8c%e6%80%8e%e4%b9%88%e8%a7%a3%e5%86%b3","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/5332\/","title":{"rendered":"oracle\u672a\u9009\u5b9a\u884c\u600e\u4e48\u89e3\u51b3"},"content":{"rendered":"<blockquote><p>\n  \u89e3\u51b3 oracle \u672a\u9009\u5b9a\u884c\u95ee\u9898\uff1a\u6f84\u6e05\u6a21\u7cca\u67e5\u8be2\u4ee5\u907f\u514d\u6a21\u7cca\u5339\u914d\u3002\u91cd\u5efa\u4e22\u5931\u6216\u635f\u574f\u7684\u7d22\u5f15\u4ee5\u63d0\u9ad8\u67e5\u8be2\u6027\u80fd\u3002\u68c0\u67e5\u8868\u6216\u89c6\u56fe\u7684\u7ed3\u6784\u4ee5\u786e\u4fdd\u4e00\u81f4\u6027\u3002\u4f7f\u7528\u4e8b\u52a1\u6216\u4e50\u89c2\u9501\u63a7\u5236\u7ba1\u7406\u5e76\u53d1\u8bbf\u95ee\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202405\/26\/2024052619430485151.jpg\" class=\"aligncenter\" title=\"oracle\u672a\u9009\u5b9a\u884c\u600e\u4e48\u89e3\u51b3\u63d2\u56fe\" alt=\"oracle\u672a\u9009\u5b9a\u884c\u600e\u4e48\u89e3\u51b3\u63d2\u56fe\" \/><\/p>\n<p><strong>\u89e3\u51b3 Oracle \u672a\u9009\u5b9a\u884c\u95ee\u9898<\/strong><\/p>\n<p>\u5f53\u5728 Oracle \u6570\u636e\u5e93\u4e2d\u6267\u884c\u67e5\u8be2\u65f6\uff0c\u6709\u65f6\u53ef\u80fd\u4f1a\u9047\u5230\u672a\u9009\u5b9a\u884c\u7684\u9519\u8bef\u3002\u8fd9\u53ef\u80fd\u662f\u7531\u4e8e\u591a\u79cd\u539f\u56e0\u9020\u6210\u7684\uff0c\u5305\u62ec\uff1a<\/p>\n<p><strong>1. \u6a21\u7cca\u67e5\u8be2<\/strong><\/p>\n<p>\u6a21\u7cca\u67e5\u8be2\u4f7f\u7528\u901a\u914d\u7b26\uff08\u4f8b\u5982 % \u6216 _\uff09\u6765\u5339\u914d\u5b57\u7b26\u4e32\u4e2d\u7684\u90e8\u5206\u5b57\u7b26\u3002\u5982\u679c\u901a\u914d\u7b26\u592a\u591a\u6216\u592a\u5bbd\u6cdb\uff0c\u53ef\u80fd\u4f1a\u5bfc\u81f4\u6a21\u7cca\u5339\u914d\uff0c\u4ece\u800c\u5bfc\u81f4\u672a\u9009\u5b9a\u884c\u3002<\/p>\n<p><strong>\u793a\u4f8b\uff1a<\/strong><\/p>\n<pre>SELECT * FROM employees WHERE name LIKE 'J%';<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u6b64\u67e5\u8be2\u5c06\u67e5\u627e\u6240\u6709\u4ee5 &#8220;J&#8221; \u5f00\u5934\u7684\u59d3\u540d\uff0c\u4f46\u5b83\u53ef\u80fd\u4f1a\u610f\u5916\u5339\u914d &#8220;James&#8221; \u6216 &#8220;Jason&#8221; \u7b49\u4e0d\u5e94\u9009\u5b9a\u7684\u884c\u3002<\/p>\n<p><strong>2. \u7d22\u5f15\u4e22\u5931\u6216\u635f\u574f<\/strong><\/p>\n<p>\u7d22\u5f15\u7528\u4e8e\u52a0\u901f\u6570\u636e\u5e93\u67e5\u8be2\uff0c\u5982\u679c\u7d22\u5f15\u4e22\u5931\u6216\u635f\u574f\uff0c\u53ef\u80fd\u4f1a\u5bfc\u81f4\u67e5\u8be2\u6027\u80fd\u4e0b\u964d\uff0c\u5e76\u53ef\u80fd\u5bfc\u81f4\u672a\u9009\u5b9a\u884c\u3002<\/p>\n<p><strong>3. \u8868\u6216\u89c6\u56fe\u7684\u7ed3\u6784\u66f4\u6539<\/strong><\/p>\n<p>\u5982\u679c\u5728\u67e5\u8be2\u6267\u884c\u4e4b\u524d\u66f4\u6539\u4e86\u8868\u6216\u89c6\u56fe\u7684\u7ed3\u6784\uff08\u4f8b\u5982\uff0c\u6dfb\u52a0\u6216\u5220\u9664\u5217\uff09\uff0c\u5219\u53ef\u80fd\u4f1a\u5bfc\u81f4\u9519\u8bef\uff0c\u56e0\u4e3a\u67e5\u8be2\u53ef\u80fd\u65e0\u6cd5\u8bbf\u95ee\u6240\u9700\u7684\u5217\u6216\u6570\u636e\u3002<\/p>\n<p><strong>4. <\/strong><\/p>\n<p>\u5982\u679c\u5728\u67e5\u8be2\u6267\u884c\u671f\u95f4\u5176\u4ed6\u4f1a\u8bdd\u540c\u65f6\u4fee\u6539\u6570\u636e\uff0c\u5219\u53ef\u80fd\u4f1a\u5bfc\u81f4\u672a\u9009\u5b9a\u884c\u3002<\/p>\n<p><strong>\u89e3\u51b3\u65b9\u6cd5\uff1a<\/strong><\/p>\n<p>\u89e3\u51b3 Oracle \u672a\u9009\u5b9a\u884c\u95ee\u9898\u7684\u6b65\u9aa4\u56e0\u5177\u4f53\u539f\u56e0\u800c\u5f02\uff0c\u4f46\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u89c1\u7684\u89e3\u51b3\u65b9\u6cd5\uff1a<\/p>\n<ul>\n<li> <strong>\u6f84\u6e05\u67e5\u8be2\uff1a<\/strong>\u4fee\u6539\u67e5\u8be2\u4ee5\u4f7f\u5176\u66f4\u5177\u4f53\uff0c\u907f\u514d\u6a21\u7cca\u5339\u914d\u3002<\/li>\n<li> <strong>\u91cd\u5efa\u7d22\u5f15\uff1a<\/strong>\u91cd\u65b0\u521b\u5efa\u4e22\u5931\u6216\u635f\u574f\u7684\u7d22\u5f15\u4ee5\u63d0\u9ad8\u67e5\u8be2\u6027\u80fd\u3002<\/li>\n<li> <strong>\u68c0\u67e5\u8868\u6216\u89c6\u56fe\u7684\u7ed3\u6784\uff1a<\/strong>\u786e\u4fdd\u8868\u6216\u89c6\u56fe\u7684\u7ed3\u6784\u4e0e\u67e5\u8be2\u4e2d\u4f7f\u7528\u7684\u5217\u548c\u6570\u636e\u4e00\u81f4\u3002<\/li>\n<li> <strong>\u7ba1\u7406\u5e76\u53d1\u8bbf\u95ee\uff1a<\/strong>\u4f7f\u7528\u4e8b\u52a1\u6216\u4e50\u89c2\u9501\u63a7\u5236\u6765\u9632\u6b62\u5e76\u53d1\u4fee\u6539\u3002<\/li>\n<\/ul>\n<p>\u4ee5\u4e0a\u5c31\u662f\u672a\u9009\u5b9a\u884c\u600e\u4e48\u89e3\u51b3\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>\u89e3\u51b3 oracle \u672a\u9009\u5b9a\u884c\u95ee\u9898\uff1a\u6f84\u6e05\u6a21\u7cca\u67e5\u8be2\u4ee5\u907f\u514d\u6a21\u7cca\u5339\u914d\u3002\u91cd\u5efa\u4e22\u5931\u6216\u635f\u574f\u7684\u7d22\u5f15\u4ee5\u63d0\u9ad8\u67e5\u8be2\u6027\u80fd\u3002\u68c0\u67e5\u8868\u6216\u89c6\u56fe\u7684\u7ed3\u6784\u4ee5\u786e\u4fdd\u4e00\u81f4\u6027\u3002\u4f7f\u7528\u4e8b\u52a1\u6216\u4e50\u89c2\u9501\u63a7\u5236\u7ba1\u7406\u5e76\u53d1\u8bbf\u95ee\u3002 \u89e3\u51b3 Oracle \u672a\u9009\u5b9a\u884c\u95ee\u9898 \u5f53\u5728 Oracle \u6570\u636e\u5e93\u4e2d\u6267\u884c\u67e5\u8be2\u65f6\uff0c\u6709\u65f6\u53ef\u80fd\u4f1a\u9047\u5230\u672a\u9009\u5b9a\u884c\u7684\u9519\u8bef\u3002\u8fd9\u53ef\u80fd\u662f\u7531\u4e8e\u591a\u79cd\u539f\u56e0\u9020\u6210\u7684\uff0c\u5305\u62ec\uff1a 1. \u6a21\u7cca\u67e5\u8be2 \u6a21\u7cca\u67e5\u8be2\u4f7f\u7528\u901a\u914d\u7b26\uff08\u4f8b\u5982 % \u6216 _\uff09\u6765\u5339\u914d\u5b57\u7b26\u4e32\u4e2d\u7684\u90e8\u5206\u5b57\u7b26\u3002\u5982\u679c\u901a\u914d\u7b26\u592a\u591a\u6216\u592a\u5bbd\u6cdb\uff0c\u53ef\u80fd\u4f1a\u5bfc\u81f4\u6a21\u7cca\u5339\u914d\uff0c\u4ece\u800c\u5bfc\u81f4\u672a\u9009\u5b9a\u884c\u3002 \u793a\u4f8b\uff1a SELECT * FROM employees WHERE name LIKE &#8216;J%&#8217;; \u767b\u5f55\u540e\u590d\u5236 \u6b64\u67e5\u8be2\u5c06\u67e5\u627e\u6240\u6709\u4ee5 &#8220;J&#8221; \u5f00\u5934\u7684\u59d3\u540d\uff0c\u4f46\u5b83\u53ef\u80fd\u4f1a\u610f\u5916\u5339\u914d &#8220;James&#8221; \u6216 &#8220;Jason&#8221; \u7b49\u4e0d\u5e94\u9009\u5b9a\u7684\u884c\u3002 2. \u7d22\u5f15\u4e22\u5931\u6216\u635f\u574f \u7d22\u5f15\u7528\u4e8e\u52a0\u901f\u6570\u636e\u5e93\u67e5\u8be2\uff0c\u5982\u679c\u7d22\u5f15\u4e22\u5931\u6216\u635f\u574f\uff0c\u53ef\u80fd\u4f1a\u5bfc\u81f4\u67e5\u8be2\u6027\u80fd\u4e0b\u964d\uff0c\u5e76\u53ef\u80fd\u5bfc\u81f4\u672a\u9009\u5b9a\u884c\u3002 3. \u8868\u6216\u89c6\u56fe\u7684\u7ed3\u6784\u66f4\u6539 \u5982\u679c\u5728\u67e5\u8be2\u6267\u884c\u4e4b\u524d\u66f4\u6539\u4e86\u8868\u6216\u89c6\u56fe\u7684\u7ed3\u6784\uff08\u4f8b\u5982\uff0c\u6dfb\u52a0\u6216\u5220\u9664\u5217\uff09\uff0c\u5219\u53ef\u80fd\u4f1a\u5bfc\u81f4\u9519\u8bef\uff0c\u56e0\u4e3a\u67e5\u8be2\u53ef\u80fd\u65e0\u6cd5\u8bbf\u95ee\u6240\u9700\u7684\u5217\u6216\u6570\u636e\u3002 4. \u5982\u679c\u5728\u67e5\u8be2\u6267\u884c\u671f\u95f4\u5176\u4ed6\u4f1a\u8bdd\u540c\u65f6\u4fee\u6539\u6570\u636e\uff0c\u5219\u53ef\u80fd\u4f1a\u5bfc\u81f4\u672a\u9009\u5b9a\u884c\u3002 \u89e3\u51b3\u65b9\u6cd5\uff1a \u89e3\u51b3 Oracle \u672a\u9009\u5b9a\u884c\u95ee\u9898\u7684\u6b65\u9aa4\u56e0\u5177\u4f53\u539f\u56e0\u800c\u5f02\uff0c\u4f46\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u89c1\u7684\u89e3\u51b3\u65b9\u6cd5\uff1a \u6f84\u6e05\u67e5\u8be2\uff1a\u4fee\u6539\u67e5\u8be2\u4ee5\u4f7f\u5176\u66f4\u5177\u4f53\uff0c\u907f\u514d\u6a21\u7cca\u5339\u914d\u3002 \u91cd\u5efa\u7d22\u5f15\uff1a\u91cd\u65b0\u521b\u5efa\u4e22\u5931\u6216\u635f\u574f\u7684\u7d22\u5f15\u4ee5\u63d0\u9ad8\u67e5\u8be2\u6027\u80fd\u3002 \u68c0\u67e5\u8868\u6216\u89c6\u56fe\u7684\u7ed3\u6784\uff1a\u786e\u4fdd\u8868\u6216\u89c6\u56fe\u7684\u7ed3\u6784\u4e0e\u67e5\u8be2\u4e2d\u4f7f\u7528\u7684\u5217\u548c\u6570\u636e\u4e00\u81f4\u3002 \u7ba1\u7406\u5e76\u53d1\u8bbf\u95ee\uff1a\u4f7f\u7528\u4e8b\u52a1\u6216\u4e50\u89c2\u9501\u63a7\u5236\u6765\u9632\u6b62\u5e76\u53d1\u4fee\u6539\u3002 \u4ee5\u4e0a\u5c31\u662f\u672a\u9009\u5b9a\u884c\u600e\u4e48\u89e3\u51b3\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-5332","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/5332","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=5332"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/5332\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=5332"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=5332"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=5332"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}