{"id":95580,"date":"2024-10-20T02:15:18","date_gmt":"2024-10-19T18:15:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/95580\/"},"modified":"2024-10-20T02:15:19","modified_gmt":"2024-10-19T18:15:19","slug":"oracle%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84dml%e8%aa%9e%e5%8f%a5%e5%8a%9f%e8%83%bd%e4%bb%8b%e7%b4%b9","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/95580\/","title":{"rendered":"Oracle\u6578\u64da\u5eab\u7684DML\u8a9e\u53e5\u529f\u80fd\u4ecb\u7d39"},"content":{"rendered":"<h1 id=\"oracle%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84dml%e8%aa%9e%e5%8f%a5%e5%8a%9f%e8%83%bd%e4%bb%8b%e7%b4%b9-tbLywmoiah\">Oracle\u6578\u64da\u5eab\u7684DML\u8a9e\u53e5\u529f\u80fd\u4ecb\u7d39<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\u4e2d\uff0c\u6578\u64da\u64cd\u4f5c\u8a9e\u8a00\uff08DML\uff09\u662f\u7528\u4f86\u64cd\u4f5c\u6578\u64da\u7684\u8a9e\u8a00\u3002Oracle\u6578\u64da\u5eab\u4f5c\u70ba\u4e00\u500b\u5f37\u5927\u7684\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2eDML\u8a9e\u53e5\u4f86\u9032\u884c\u6578\u64da\u7684\u63d2\u5165\u3001\u66f4\u65b0\u3001\u522a\u9664\u548c\u67e5\u8a62\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0eOracle\u6578\u64da\u5eab\u4e2d\u7684DML\u8a9e\u53e5\u53ca\u5176\u529f\u80fd\u3002<\/p>\n<h2 id=\"dml%e8%aa%9e%e5%8f%a5%e7%9a%84%e5%9f%ba%e6%9c%ac%e9%a1%9e%e5%9e%8b-tbLywmoiah\">DML\u8a9e\u53e5\u7684\u57fa\u672c\u985e\u578b<\/h2>\n<p>Oracle\u6578\u64da\u5eab\u7684DML\u8a9e\u53e5\u4e3b\u8981\u5305\u62ec\u4ee5\u4e0b\u5e7e\u7a2e\uff1a<\/p>\n<ul>\n<li><strong>INSERT<\/strong>\uff1a\u7528\u65bc\u5411\u6578\u64da\u8868\u4e2d\u63d2\u5165\u65b0\u6578\u64da\u3002<\/li>\n<li><strong>UPDATE<\/strong>\uff1a\u7528\u65bc\u66f4\u65b0\u6578\u64da\u8868\u4e2d\u5df2\u5b58\u5728\u7684\u6578\u64da\u3002<\/li>\n<li><strong>DELETE<\/strong>\uff1a\u7528\u65bc\u522a\u9664\u6578\u64da\u8868\u4e2d\u7684\u6578\u64da\u3002<\/li>\n<li><strong>SELECT<\/strong>\uff1a\u7528\u65bc\u67e5\u8a62\u6578\u64da\u8868\u4e2d\u7684\u6578\u64da\u3002<\/li>\n<\/ul>\n<h2 id=\"insert%e8%aa%9e%e5%8f%a5-tbLywmoiah\">INSERT\u8a9e\u53e5<\/h2>\n<p>INSERT\u8a9e\u53e5\u7528\u65bc\u5c07\u65b0\u8a18\u9304\u63d2\u5165\u5230\u6578\u64da\u8868\u4e2d\u3002\u5176\u57fa\u672c\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>INSERT INTO \u8868\u540d (\u52171, \u52172, \u52173) VALUES (\u503c1, \u503c2, \u503c3);<\/code><\/pre>\n<p>\u4f8b\u5982\uff0c\u5047\u8a2d\u6709\u4e00\u500b\u540d\u70ba\u201cemployees\u201d\u7684\u8868\uff0c\u5305\u542b\u201cid\u201d\u3001\u201cname\u201d\u548c\u201csalary\u201d\u4e09\u500b\u5217\uff0c\u63d2\u5165\u4e00\u689d\u65b0\u8a18\u9304\u7684\u8a9e\u53e5\u5982\u4e0b\uff1a<\/p>\n<pre><code>INSERT INTO employees (id, name, salary) VALUES (1, 'John Doe', 50000);<\/code><\/pre>\n<h2 id=\"update%e8%aa%9e%e5%8f%a5-tbLywmoiah\">UPDATE\u8a9e\u53e5<\/h2>\n<p>UPDATE\u8a9e\u53e5\u7528\u65bc\u4fee\u6539\u6578\u64da\u8868\u4e2d\u5df2\u5b58\u5728\u7684\u8a18\u9304\u3002\u5176\u57fa\u672c\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>UPDATE \u8868\u540d SET \u52171 = \u503c1, \u52172 = \u503c2 WHERE \u689d\u4ef6;<\/code><\/pre>\n<p>\u4f8b\u5982\uff0c\u82e5\u8981\u66f4\u65b0\u201cemployees\u201d\u8868\u4e2did\u70ba1\u7684\u54e1\u5de5\u7684\u85aa\u6c34\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8a9e\u53e5\uff1a<\/p>\n<pre><code>UPDATE employees SET salary = 55000 WHERE id = 1;<\/code><\/pre>\n<h2 id=\"delete%e8%aa%9e%e5%8f%a5-tbLywmoiah\">DELETE\u8a9e\u53e5<\/h2>\n<p>DELETE\u8a9e\u53e5\u7528\u65bc\u522a\u9664\u6578\u64da\u8868\u4e2d\u7684\u8a18\u9304\u3002\u5176\u57fa\u672c\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>DELETE FROM \u8868\u540d WHERE \u689d\u4ef6;<\/code><\/pre>\n<p>\u4f8b\u5982\uff0c\u82e5\u8981\u522a\u9664\u201cemployees\u201d\u8868\u4e2did\u70ba1\u7684\u54e1\u5de5\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8a9e\u53e5\uff1a<\/p>\n<pre><code>DELETE FROM employees WHERE id = 1;<\/code><\/pre>\n<h2 id=\"select%e8%aa%9e%e5%8f%a5-tbLywmoiah\">SELECT\u8a9e\u53e5<\/h2>\n<p>SELECT\u8a9e\u53e5\u7528\u65bc\u67e5\u8a62\u6578\u64da\u8868\u4e2d\u7684\u6578\u64da\u3002\u5176\u57fa\u672c\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>SELECT \u52171, \u52172 FROM \u8868\u540d WHERE \u689d\u4ef6;<\/code><\/pre>\n<p>\u4f8b\u5982\uff0c\u82e5\u8981\u67e5\u8a62\u201cemployees\u201d\u8868\u4e2d\u6240\u6709\u54e1\u5de5\u7684\u59d3\u540d\u548c\u85aa\u6c34\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8a9e\u53e5\uff1a<\/p>\n<pre><code>SELECT name, salary FROM employees;<\/code><\/pre>\n<h2 id=\"%e4%ba%8b%e5%8b%99%e6%8e%a7%e5%88%b6-tbLywmoiah\">\u4e8b\u52d9\u63a7\u5236<\/h2>\n<p>\u5728\u4f7f\u7528DML\u8a9e\u53e5\u6642\uff0c\u4e8b\u52d9\u63a7\u5236\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002Oracle\u6578\u64da\u5eab\u652f\u6301\u4e8b\u52d9\u7684ACID\u7279\u6027\uff08\u539f\u5b50\u6027\u3001\u4e00\u81f4\u6027\u3001\u9694\u96e2\u6027\u548c\u6301\u4e45\u6027\uff09\u3002\u5728\u57f7\u884cDML\u64cd\u4f5c\u5f8c\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8a9e\u53e5\u4f86\u63a7\u5236\u4e8b\u52d9\uff1a<\/p>\n<ul>\n<li><strong>COMMIT<\/strong>\uff1a\u63d0\u4ea4\u4e8b\u52d9\uff0c\u5c07\u6240\u6709\u66f4\u6539\u4fdd\u5b58\u5230\u6578\u64da\u5eab\u3002<\/li>\n<li><strong>ROLLBACK<\/strong>\uff1a\u56de\u6efe\u4e8b\u52d9\uff0c\u64a4\u92b7\u81ea\u4e0a\u6b21\u63d0\u4ea4\u4ee5\u4f86\u7684\u6240\u6709\u66f4\u6539\u3002<\/li>\n<\/ul>\n<p>\u4f8b\u5982\uff0c\u82e5\u8981\u63d0\u4ea4\u4e00\u500b\u4e8b\u52d9\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8a9e\u53e5\uff1a<\/p>\n<pre><code>COMMIT;<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-tbLywmoiah\">\u7e3d\u7d50<\/h2>\n<p>Oracle\u6578\u64da\u5eab\u7684DML\u8a9e\u53e5\u63d0\u4f9b\u4e86\u5f37\u5927\u7684\u6578\u64da\u64cd\u4f5c\u529f\u80fd\uff0c\u5e6b\u52a9\u7528\u6236\u6709\u6548\u5730\u7ba1\u7406\u548c\u64cd\u4f5c\u6578\u64da\u3002\u901a\u904eINSERT\u3001UPDATE\u3001DELETE\u548cSELECT\u7b49\u8a9e\u53e5\uff0c\u7528\u6236\u53ef\u4ee5\u9748\u6d3b\u5730\u9032\u884c\u6578\u64da\u7684\u589e\u522a\u6539\u67e5\u3002\u6b64\u5916\uff0c\u4e8b\u52d9\u63a7\u5236\u78ba\u4fdd\u4e86\u6578\u64da\u7684\u4e00\u81f4\u6027\u548c\u5b8c\u6574\u6027\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u7ba1\u7406\u7684\u4f01\u696d\u4f86\u8aaa\uff0c\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u5eab\u89e3\u6c7a\u65b9\u6848\u81f3\u95dc\u91cd\u8981\u3002\u82e5\u60a8\u5c0d\u65bc<code><a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a><\/code>\u6216<code><a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a><\/code>\u6709\u8208\u8da3\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4ee5\u7372\u53d6\u66f4\u591a\u4fe1\u606f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3Oracle\u6578\u64da\u5eab\u7684DML\u8a9e\u53e5\u529f\u80fd\uff0c\u5305\u62ec\u63d2\u5165\u3001\u66f4\u65b0\u3001\u522a\u9664\u548c\u67e5\u8a62\u6578\u64da\u7684\u57fa\u672c\u64cd\u4f5c\u8207\u61c9\u7528\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-95580","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/95580","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=95580"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/95580\/revisions"}],"predecessor-version":[{"id":95581,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/95580\/revisions\/95581"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=95580"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=95580"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=95580"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}