{"id":95958,"date":"2024-10-20T05:25:17","date_gmt":"2024-10-19T21:25:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/95958\/"},"modified":"2024-10-20T05:25:18","modified_gmt":"2024-10-19T21:25:18","slug":"oracle%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e5%b8%b8%e7%94%a8%e6%93%8d%e4%bd%9c%e7%9a%84%e5%85%b7%e9%ab%94%e8%aa%aa%e6%98%8e","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/95958\/","title":{"rendered":"Oracle\u6578\u64da\u5eab\u4e2d\u5e38\u7528\u64cd\u4f5c\u7684\u5177\u9ad4\u8aaa\u660e"},"content":{"rendered":"<h1 id=\"oracle%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e5%b8%b8%e7%94%a8%e6%93%8d%e4%bd%9c%e7%9a%84%e5%85%b7%e9%ab%94%e8%aa%aa%e6%98%8e-JOBOjIBjLP\">Oracle\u6578\u64da\u5eab\u4e2d\u5e38\u7528\u64cd\u4f5c\u7684\u5177\u9ad4\u8aaa\u660e<\/h1>\n<p>Oracle\u6578\u64da\u5eab\u662f\u4e00\u500b\u529f\u80fd\u5f37\u5927\u7684\u95dc\u806f\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u4f01\u696d\u7d1a\u61c9\u7528\u4e2d\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u4e00\u4e9b\u5728Oracle\u6578\u64da\u5eab\u4e2d\u5e38\u7528\u7684\u64cd\u4f5c\uff0c\u5305\u62ec\u6578\u64da\u5eab\u7684\u5275\u5efa\u3001\u8868\u7684\u64cd\u4f5c\u3001\u6578\u64da\u7684\u67e5\u8a62\u8207\u66f4\u65b0\u7b49\uff0c\u5e6b\u52a9\u8b80\u8005\u66f4\u597d\u5730\u7406\u89e3\u548c\u4f7f\u7528Oracle\u6578\u64da\u5eab\u3002<\/p>\n<h2 id=\"1-%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e5%89%b5%e5%bb%ba-JOBOjIBjLP\">1. \u6578\u64da\u5eab\u7684\u5275\u5efa<\/h2>\n<p>\u5728Oracle\u4e2d\uff0c\u5275\u5efa\u6578\u64da\u5eab\u7684\u904e\u7a0b\u76f8\u5c0d\u8907\u96dc\uff0c\u901a\u5e38\u9700\u8981\u4f7f\u7528SQL\u547d\u4ee4\u548c\u914d\u7f6e\u6587\u4ef6\u3002\u4ee5\u4e0b\u662f\u5275\u5efa\u6578\u64da\u5eab\u7684\u57fa\u672c\u6b65\u9a5f\uff1a<\/p>\n<pre><code>CREATE DATABASE mydb\n   USER SYS IDENTIFIED BY password\n   USER SYSTEM IDENTIFIED BY password\n   LOGFILE GROUP 1 ('\/path\/to\/log1.log') SIZE 100M,\n           GROUP 2 ('\/path\/to\/log2.log') SIZE 100M\n   DATAFILE '\/path\/to\/mydb.dbf' SIZE 500M\n   CHARACTER SET UTF8;\n<\/code><\/pre>\n<p>\u4e0a\u8ff0\u547d\u4ee4\u4e2d\uff0c`mydb`\u662f\u6578\u64da\u5eab\u7684\u540d\u7a31\uff0c`SYS`\u548c`SYSTEM`\u662f\u7528\u6236\u540d\uff0c`password`\u662f\u5bc6\u78bc\u3002\u65e5\u8a8c\u6587\u4ef6\u548c\u6578\u64da\u6587\u4ef6\u7684\u8def\u5f91\u9700\u8981\u6839\u64da\u5be6\u969b\u60c5\u6cc1\u9032\u884c\u4fee\u6539\u3002<\/p>\n<h2 id=\"2-%e8%a1%a8%e7%9a%84%e6%93%8d%e4%bd%9c-JOBOjIBjLP\">2. \u8868\u7684\u64cd\u4f5c<\/h2>\n<h3 id=\"2-1-%e5%89%b5%e5%bb%ba%e8%a1%a8-JOBOjIBjLP\">2.1 \u5275\u5efa\u8868<\/h3>\n<p>\u5275\u5efa\u8868\u662f\u6578\u64da\u5eab\u64cd\u4f5c\u4e2d\u6700\u57fa\u672c\u7684\u6b65\u9a5f\u4e4b\u4e00\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u5275\u5efa\u8868\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>CREATE TABLE employees (\n   employee_id NUMBER PRIMARY KEY,\n   first_name VARCHAR2(50),\n   last_name VARCHAR2(50),\n   hire_date DATE\n);\n<\/code><\/pre>\n<h3 id=\"2-2-%e4%bf%ae%e6%94%b9%e8%a1%a8-JOBOjIBjLP\">2.2 \u4fee\u6539\u8868<\/h3>\n<p>\u5982\u679c\u9700\u8981\u5c0d\u5df2\u5b58\u5728\u7684\u8868\u9032\u884c\u4fee\u6539\uff0c\u53ef\u4ee5\u4f7f\u7528`ALTER TABLE`\u547d\u4ee4\u3002\u4f8b\u5982\uff0c\u6dfb\u52a0\u4e00\u500b\u65b0\u7684\u5217\uff1a<\/p>\n<pre><code>ALTER TABLE employees\nADD email VARCHAR2(100);\n<\/code><\/pre>\n<h3 id=\"2-3-%e5%88%aa%e9%99%a4%e8%a1%a8-JOBOjIBjLP\">2.3 \u522a\u9664\u8868<\/h3>\n<p>\u522a\u9664\u8868\u7684\u64cd\u4f5c\u53ef\u4ee5\u4f7f\u7528`DROP TABLE`\u547d\u4ee4\uff1a<\/p>\n<pre><code>DROP TABLE employees;\n<\/code><\/pre>\n<h2 id=\"3-%e6%95%b8%e6%93%9a%e7%9a%84%e6%9f%a5%e8%a9%a2%e8%88%87%e6%9b%b4%e6%96%b0-JOBOjIBjLP\">3. \u6578\u64da\u7684\u67e5\u8a62\u8207\u66f4\u65b0<\/h2>\n<h3 id=\"3-1-%e6%9f%a5%e8%a9%a2%e6%95%b8%e6%93%9a-JOBOjIBjLP\">3.1 \u67e5\u8a62\u6578\u64da<\/h3>\n<p>\u67e5\u8a62\u6578\u64da\u662f\u4f7f\u7528Oracle\u6578\u64da\u5eab\u7684\u4e3b\u8981\u64cd\u4f5c\u4e4b\u4e00\u3002\u4f7f\u7528`SELECT`\u8a9e\u53e5\u53ef\u4ee5\u5f9e\u8868\u4e2d\u6aa2\u7d22\u6578\u64da\uff1a<\/p>\n<pre><code>SELECT * FROM employees;\n<\/code><\/pre>\n<p>\u5982\u679c\u53ea\u9700\u8981\u67e5\u8a62\u7279\u5b9a\u7684\u5217\uff0c\u53ef\u4ee5\u9019\u6a23\u5beb\uff1a<\/p>\n<pre><code>SELECT first_name, last_name FROM employees;\n<\/code><\/pre>\n<h3 id=\"3-2-%e6%9b%b4%e6%96%b0%e6%95%b8%e6%93%9a-JOBOjIBjLP\">3.2 \u66f4\u65b0\u6578\u64da<\/h3>\n<p>\u66f4\u65b0\u6578\u64da\u53ef\u4ee5\u4f7f\u7528`UPDATE`\u8a9e\u53e5\u3002\u4f8b\u5982\uff0c\u66f4\u65b0\u67d0\u500b\u54e1\u5de5\u7684\u96fb\u5b50\u90f5\u4ef6\u5730\u5740\uff1a<\/p>\n<pre><code>UPDATE employees\nSET email = 'new_email@example.com'\nWHERE employee_id = 1;\n<\/code><\/pre>\n<h3 id=\"3-3-%e5%88%aa%e9%99%a4%e6%95%b8%e6%93%9a-JOBOjIBjLP\">3.3 \u522a\u9664\u6578\u64da<\/h3>\n<p>\u522a\u9664\u6578\u64da\u53ef\u4ee5\u4f7f\u7528`DELETE`\u8a9e\u53e5\uff1a<\/p>\n<pre><code>DELETE FROM employees\nWHERE employee_id = 1;\n<\/code><\/pre>\n<h2 id=\"4-%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e5%82%99%e4%bb%bd%e8%88%87%e6%81%a2%e5%be%a9-JOBOjIBjLP\">4. \u6578\u64da\u5eab\u7684\u5099\u4efd\u8207\u6062\u5fa9<\/h2>\n<p>\u6578\u64da\u5eab\u7684\u5099\u4efd\u8207\u6062\u5fa9\u662f\u78ba\u4fdd\u6578\u64da\u5b89\u5168\u7684\u91cd\u8981\u64cd\u4f5c\u3002Oracle\u63d0\u4f9b\u4e86\u591a\u7a2e\u5099\u4efd\u65b9\u6cd5\uff0c\u5305\u62ec\u7269\u7406\u5099\u4efd\u548c\u908f\u8f2f\u5099\u4efd\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528RMAN\u9032\u884c\u7269\u7406\u5099\u4efd\u7684\u57fa\u672c\u547d\u4ee4\uff1a<\/p>\n<pre><code>RMAN&gt; BACKUP DATABASE;\n<\/code><\/pre>\n<p>\u6062\u5fa9\u6578\u64da\u5eab\u7684\u547d\u4ee4\u5982\u4e0b\uff1a<\/p>\n<pre><code>RMAN&gt; RESTORE DATABASE;\n<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-JOBOjIBjLP\">\u7e3d\u7d50<\/h2>\n<p>\u672c\u6587\u4ecb\u7d39\u4e86Oracle\u6578\u64da\u5eab\u4e2d\u4e00\u4e9b\u5e38\u7528\u64cd\u4f5c\u7684\u5177\u9ad4\u8aaa\u660e\uff0c\u5305\u62ec\u6578\u64da\u5eab\u7684\u5275\u5efa\u3001\u8868\u7684\u64cd\u4f5c\u3001\u6578\u64da\u7684\u67e5\u8a62\u8207\u66f4\u65b0\u7b49\u3002\u9019\u4e9b\u57fa\u672c\u64cd\u4f5c\u662f\u4f7f\u7528Oracle\u6578\u64da\u5eab\u7684\u57fa\u790e\uff0c\u638c\u63e1\u9019\u4e9b\u64cd\u4f5c\u5c07\u6709\u52a9\u65bc\u66f4\u9ad8\u6548\u5730\u7ba1\u7406\u6578\u64da\u3002<\/p>\n<p>\u5982\u679c\u60a8\u5c0d\u65bc\u66f4\u9ad8\u6548\u7684\u6578\u64da\u7ba1\u7406\u6709\u8208\u8da3\uff0c\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u4f86\u90e8\u7f72\u60a8\u7684Oracle\u6578\u64da\u5eab\uff0c\u4eab\u53d7\u7a69\u5b9a\u7684\u6027\u80fd\u548c\u9748\u6d3b\u7684\u914d\u7f6e\u9078\u64c7\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3Oracle\u6578\u64da\u5eab\u4e2d\u5e38\u7528\u64cd\u4f5c\u7684\u5177\u9ad4\u8aaa\u660e\uff0c\u5305\u62ec\u67e5\u8a62\u3001\u66f4\u65b0\u3001\u522a\u9664\u548c\u6578\u64da\u7ba1\u7406\u6280\u5de7\uff0c\u63d0\u5347\u6578\u64da\u8655\u7406\u6548\u7387\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-95958","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/95958","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=95958"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/95958\/revisions"}],"predecessor-version":[{"id":95959,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/95958\/revisions\/95959"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=95958"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=95958"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=95958"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}