{"id":5341,"date":"2024-11-14T12:17:24","date_gmt":"2024-11-14T04:17:24","guid":{"rendered":"https:\/\/fwq.ai\/blog\/5341\/"},"modified":"2024-11-14T12:17:24","modified_gmt":"2024-11-14T04:17:24","slug":"oracle%e9%94%81%e8%a1%a8%e6%80%8e%e4%b9%88%e5%9b%9e%e4%ba%8b","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/5341\/","title":{"rendered":"oracle\u9501\u8868\u600e\u4e48\u56de\u4e8b"},"content":{"rendered":"<blockquote><p>\n  oracle \u6570\u636e\u5e93\u4f7f\u7528\u9501\u6765\u786e\u4fdd\u6570\u636e\u7684\u5e76\u53d1\u8bbf\u95ee\u4e00\u81f4\u6027\uff0c\u5bfc\u81f4\u9501\u8868\u7684\u539f\u56e0\u5305\u62ec\uff1a\u663e\u5f0f\u9501\u8868\u8bed\u53e5ddl \u8bed\u53e5dml \u8bed\u53e5\u5916\u952e\u548c\u552f\u4e00\u6027\u7ea6\u675f\u957f\u4e8b\u52a1\u6b7b\u9501\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202405\/26\/2024052619520033772.jpg\" class=\"aligncenter\" title=\"oracle\u9501\u8868\u600e\u4e48\u56de\u4e8b\u63d2\u56fe\" alt=\"oracle\u9501\u8868\u600e\u4e48\u56de\u4e8b\u63d2\u56fe\" \/><\/p>\n<p><strong>Oracle \u9501\u8868\u7684\u539f\u56e0<\/strong><\/p>\n<p>Oracle \u6570\u636e\u5e93\u4f7f\u7528\u9501\u6765\u786e\u4fdd\u6570\u636e\u5e93\u6570\u636e\u7684\u4e00\u81f4\u6027\u3002\u5f53\u4e00\u4e2a\u4f1a\u8bdd\u5c1d\u8bd5\u4fee\u6539\u6570\u636e\u65f6\uff0cOracle \u4f1a\u5bf9\u76f8\u5173\u7684\u6570\u636e\u5e93\u5bf9\u8c61\u52a0\u4e0a\u9501\u3002\u5982\u679c\u53e6\u4e00\u4e2a\u4f1a\u8bdd\u540c\u65f6\u5c1d\u8bd5\u8bbf\u95ee\u6216\u4fee\u6539\u88ab\u9501\u5b9a\u7684\u6570\u636e\uff0c\u8be5\u4f1a\u8bdd\u5c06\u88ab\u963b\u6b62\uff0c\u76f4\u5230\u91ca\u653e\u9501\u3002<\/p>\n<p><strong>\u5e38\u89c1\u5bfc\u81f4\u9501\u8868\u7684\u539f\u56e0\uff1a<\/strong><\/p>\n<p><strong>1. \u663e\u5f0f\u9501\u8868\u8bed\u53e5\uff1a<\/strong><\/p>\n<pre>LOCK TABLE table_name IN [EXCLUSIVE | SHARE] MODE;<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u6b64\u8bed\u53e5\u5c06\u5bf9\u6307\u5b9a\u8868\u52a0\u4e0a\u6392\u4ed6\u9501\u6216\u5171\u4eab\u9501\uff0c\u963b\u6b62\u5176\u4ed6\u4f1a\u8bdd\u8bbf\u95ee\u6216\u4fee\u6539\u8be5\u8868\u3002<\/p>\n<p><strong>2. DDL \u8bed\u53e5\uff1a<\/strong><br \/>\u5728\u6267\u884c\u6570\u636e\u5b9a\u4e49\u8bed\u8a00 (DDL) \u8bed\u53e5\uff08\u5982 CREATE\u3001ALTER\u3001DROP\uff09\u65f6\uff0cOracle \u4f1a\u5bf9\u76f8\u5173\u8868\u52a0\u9501\uff0c\u4ee5\u786e\u4fdd\u6570\u636e\u7684\u5b8c\u6574\u6027\u548c\u4e00\u81f4\u6027\u3002<\/p>\n<p><strong>3. DML \u8bed\u53e5\uff1a<\/strong><br \/>\u67d0\u4e9b\u6570\u636e\u64cd\u4f5c\u8bed\u8a00 (DML) \u8bed\u53e5\uff0c\u4f8b\u5982 UPDATE\u3001DELETE \u548c INSERT\uff0c\u4e5f\u4f1a\u5bf9\u76f8\u5173\u8868\u52a0\u9501\u3002Oracle \u4f7f\u7528\u884c\u7ea7\u9501\u6216\u8868\u7ea7\u9501\u6765\u963b\u6b62\u5176\u4ed6\u4f1a\u8bdd\u540c\u65f6\u8bbf\u95ee\u6216\u4fee\u6539\u53d7\u5f71\u54cd\u7684\u884c\u6216\u8868\u3002<\/p>\n<p><strong>4. \u5916\u952e\u7ea6\u675f\u548c\u552f\u4e00\u6027\u7ea6\u675f\uff1a<\/strong><br \/>\u5f53\u5916\u952e\u7ea6\u675f\u6216\u552f\u4e00\u6027\u7ea6\u675f\u88ab\u8fdd\u53cd\u65f6\uff0cOracle \u4f1a\u5bf9\u76f8\u5173\u8868\u52a0\u4e0a\u9501\uff0c\u4ee5\u9632\u6b62\u6570\u636e\u4e0d\u4e00\u81f4\u3002<\/p>\n<p><strong>5. \u957f\u4e8b\u52a1\uff1a<\/strong><br \/>\u5982\u679c\u4e00\u4e2a\u4e8b\u52a1\u957f\u65f6\u95f4\u6301\u6709\u9501\uff0c\u5219\u5176\u4ed6\u4f1a\u8bdd\u53ef\u80fd\u4f1a\u88ab\u963b\u585e\uff0c\u7b49\u5f85\u9501\u91ca\u653e\u3002<\/p>\n<p><strong>6. \u6b7b\u9501\uff1a<\/strong><br \/>\u5f53\u4e24\u4e2a\u6216\u591a\u4e2a\u4f1a\u8bdd\u76f8\u4e92\u7b49\u5f85\u9501\u7684\u91ca\u653e\u65f6\uff0c\u5c31\u4f1a\u53d1\u751f\u6b7b\u9501\u3002<\/p>\n<p><strong>\u9632\u6b62\u9501\u8868\uff1a<\/strong><\/p>\n<ul>\n<li>\u4f18\u5316\u67e5\u8be2\u548c\u7d22\u5f15\uff0c\u4ee5\u51cf\u5c11\u9501\u7684\u4e89\u7528\u3002<\/li>\n<li>\u4f7f\u7528\u9002\u5f53\u7684\u4e8b\u52a1\u9694\u79bb\u7ea7\u522b\u3002<\/li>\n<li>\u907f\u514d\u5728\u9ad8\u5e76\u53d1\u73af\u5883\u4e2d\u6267\u884c\u957f\u65f6\u95f4\u7684\u4e8b\u52a1\u3002<\/li>\n<li>\u76d1\u63a7\u9501\u7b49\u5f85\u60c5\u51b5\u5e76\u91c7\u53d6\u9002\u5f53\u63aa\u65bd\u89e3\u51b3\u74f6\u9888\u3002<\/li>\n<\/ul>\n<p>\u4ee5\u4e0a\u5c31\u662f\u9501\u8868\u600e\u4e48\u56de\u4e8b\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>oracle \u6570\u636e\u5e93\u4f7f\u7528\u9501\u6765\u786e\u4fdd\u6570\u636e\u7684\u5e76\u53d1\u8bbf\u95ee\u4e00\u81f4\u6027\uff0c\u5bfc\u81f4\u9501\u8868\u7684\u539f\u56e0\u5305\u62ec\uff1a\u663e\u5f0f\u9501\u8868\u8bed\u53e5ddl \u8bed\u53e5dml \u8bed\u53e5\u5916\u952e\u548c\u552f\u4e00\u6027\u7ea6\u675f\u957f\u4e8b\u52a1\u6b7b\u9501 Oracle \u9501\u8868\u7684\u539f\u56e0 Oracle \u6570\u636e\u5e93\u4f7f\u7528\u9501\u6765\u786e\u4fdd\u6570\u636e\u5e93\u6570\u636e\u7684\u4e00\u81f4\u6027\u3002\u5f53\u4e00\u4e2a\u4f1a\u8bdd\u5c1d\u8bd5\u4fee\u6539\u6570\u636e\u65f6\uff0cOracle \u4f1a\u5bf9\u76f8\u5173\u7684\u6570\u636e\u5e93\u5bf9\u8c61\u52a0\u4e0a\u9501\u3002\u5982\u679c\u53e6\u4e00\u4e2a\u4f1a\u8bdd\u540c\u65f6\u5c1d\u8bd5\u8bbf\u95ee\u6216\u4fee\u6539\u88ab\u9501\u5b9a\u7684\u6570\u636e\uff0c\u8be5\u4f1a\u8bdd\u5c06\u88ab\u963b\u6b62\uff0c\u76f4\u5230\u91ca\u653e\u9501\u3002 \u5e38\u89c1\u5bfc\u81f4\u9501\u8868\u7684\u539f\u56e0\uff1a 1. \u663e\u5f0f\u9501\u8868\u8bed\u53e5\uff1a LOCK TABLE table_name IN [EXCLUSIVE | SHARE] MODE; \u767b\u5f55\u540e\u590d\u5236 \u6b64\u8bed\u53e5\u5c06\u5bf9\u6307\u5b9a\u8868\u52a0\u4e0a\u6392\u4ed6\u9501\u6216\u5171\u4eab\u9501\uff0c\u963b\u6b62\u5176\u4ed6\u4f1a\u8bdd\u8bbf\u95ee\u6216\u4fee\u6539\u8be5\u8868\u3002 2. DDL \u8bed\u53e5\uff1a\u5728\u6267\u884c\u6570\u636e\u5b9a\u4e49\u8bed\u8a00 (DDL) \u8bed\u53e5\uff08\u5982 CREATE\u3001ALTER\u3001DROP\uff09\u65f6\uff0cOracle \u4f1a\u5bf9\u76f8\u5173\u8868\u52a0\u9501\uff0c\u4ee5\u786e\u4fdd\u6570\u636e\u7684\u5b8c\u6574\u6027\u548c\u4e00\u81f4\u6027\u3002 3. DML \u8bed\u53e5\uff1a\u67d0\u4e9b\u6570\u636e\u64cd\u4f5c\u8bed\u8a00 (DML) \u8bed\u53e5\uff0c\u4f8b\u5982 UPDATE\u3001DELETE \u548c INSERT\uff0c\u4e5f\u4f1a\u5bf9\u76f8\u5173\u8868\u52a0\u9501\u3002Oracle \u4f7f\u7528\u884c\u7ea7\u9501\u6216\u8868\u7ea7\u9501\u6765\u963b\u6b62\u5176\u4ed6\u4f1a\u8bdd\u540c\u65f6\u8bbf\u95ee\u6216\u4fee\u6539\u53d7\u5f71\u54cd\u7684\u884c\u6216\u8868\u3002 4. \u5916\u952e\u7ea6\u675f\u548c\u552f\u4e00\u6027\u7ea6\u675f\uff1a\u5f53\u5916\u952e\u7ea6\u675f\u6216\u552f\u4e00\u6027\u7ea6\u675f\u88ab\u8fdd\u53cd\u65f6\uff0cOracle \u4f1a\u5bf9\u76f8\u5173\u8868\u52a0\u4e0a\u9501\uff0c\u4ee5\u9632\u6b62\u6570\u636e\u4e0d\u4e00\u81f4\u3002 5. \u957f\u4e8b\u52a1\uff1a\u5982\u679c\u4e00\u4e2a\u4e8b\u52a1\u957f\u65f6\u95f4\u6301\u6709\u9501\uff0c\u5219\u5176\u4ed6\u4f1a\u8bdd\u53ef\u80fd\u4f1a\u88ab\u963b\u585e\uff0c\u7b49\u5f85\u9501\u91ca\u653e\u3002 6. \u6b7b\u9501\uff1a\u5f53\u4e24\u4e2a\u6216\u591a\u4e2a\u4f1a\u8bdd\u76f8\u4e92\u7b49\u5f85\u9501\u7684\u91ca\u653e\u65f6\uff0c\u5c31\u4f1a\u53d1\u751f\u6b7b\u9501\u3002 \u9632\u6b62\u9501\u8868\uff1a \u4f18\u5316\u67e5\u8be2\u548c\u7d22\u5f15\uff0c\u4ee5\u51cf\u5c11\u9501\u7684\u4e89\u7528\u3002 \u4f7f\u7528\u9002\u5f53\u7684\u4e8b\u52a1\u9694\u79bb\u7ea7\u522b\u3002 \u907f\u514d\u5728\u9ad8\u5e76\u53d1\u73af\u5883\u4e2d\u6267\u884c\u957f\u65f6\u95f4\u7684\u4e8b\u52a1\u3002 \u76d1\u63a7\u9501\u7b49\u5f85\u60c5\u51b5\u5e76\u91c7\u53d6\u9002\u5f53\u63aa\u65bd\u89e3\u51b3\u74f6\u9888\u3002 \u4ee5\u4e0a\u5c31\u662f\u9501\u8868\u600e\u4e48\u56de\u4e8b\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-5341","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/5341","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=5341"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/5341\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=5341"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=5341"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=5341"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}