{"id":193431,"date":"2024-11-12T22:07:24","date_gmt":"2024-11-12T14:07:24","guid":{"rendered":"https:\/\/server.hk\/cnblog\/193431\/"},"modified":"2024-11-12T22:07:25","modified_gmt":"2024-11-12T14:07:25","slug":"%e5%ad%b8%e7%bf%92db2%e6%95%b8%e6%93%9a%e5%ba%ab%e5%b8%b8%e7%94%a8%e8%aa%9e%e6%b3%95%ef%bc%8c%e5%8a%a9%e5%8a%9b%e6%95%b8%e6%93%9a%e5%ba%ab%e7%ae%a1%e7%90%86%e8%88%87%e5%84%aa%e5%8c%96-db2%e6%95%b8","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/193431\/","title":{"rendered":"\u5b78\u7fd2db2\u6578\u64da\u5eab\u5e38\u7528\u8a9e\u6cd5\uff0c\u52a9\u529b\u6578\u64da\u5eab\u7ba1\u7406\u8207\u512a\u5316 (db2\u6578\u64da\u5eab\u5e38\u7528\u8a9e\u6cd5)"},"content":{"rendered":"<h1 id=\"%e5%ad%b8%e7%bf%92db2%e6%95%b8%e6%93%9a%e5%ba%ab%e5%b8%b8%e7%94%a8%e8%aa%9e%e6%b3%95%ef%bc%8c%e5%8a%a9%e5%8a%9b%e6%95%b8%e6%93%9a%e5%ba%ab%e7%ae%a1%e7%90%86%e8%88%87%e5%84%aa%e5%8c%96-ahxFufmtPY\">\u5b78\u7fd2DB2\u6578\u64da\u5eab\u5e38\u7528\u8a9e\u6cd5\uff0c\u52a9\u529b\u6578\u64da\u5eab\u7ba1\u7406\u8207\u512a\u5316<\/h1>\n<p>\u5728\u7576\u4eca\u6578\u64da\u9a45\u52d5\u7684\u4e16\u754c\u4e2d\uff0c\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff08DBMS\uff09\u626e\u6f14\u8457\u81f3\u95dc\u91cd\u8981\u7684\u89d2\u8272\u3002IBM\u7684DB2\u6578\u64da\u5eab\u662f\u4e00\u500b\u529f\u80fd\u5f37\u5927\u7684\u95dc\u4fc2\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u4f01\u696d\u7d1a\u61c9\u7528\u4e2d\u3002\u638c\u63e1DB2\u7684\u5e38\u7528\u8a9e\u6cd5\u4e0d\u50c5\u80fd\u63d0\u9ad8\u6578\u64da\u5eab\u7684\u7ba1\u7406\u6548\u7387\uff0c\u9084\u80fd\u512a\u5316\u6578\u64da\u7684\u5b58\u53d6\u6027\u80fd\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u4e00\u4e9bDB2\u6578\u64da\u5eab\u7684\u5e38\u7528\u8a9e\u6cd5\uff0c\u5e6b\u52a9\u8b80\u8005\u66f4\u597d\u5730\u7ba1\u7406\u548c\u512a\u5316\u6578\u64da\u5eab\u3002<\/p>\n<h2 id=\"1-%e5%9f%ba%e6%9c%ac%e7%9a%84%e6%95%b8%e6%93%9a%e6%93%8d%e4%bd%9c%e8%aa%9e%e6%b3%95-ahxFufmtPY\">1. \u57fa\u672c\u7684\u6578\u64da\u64cd\u4f5c\u8a9e\u6cd5<\/h2>\n<h3 id=\"1-1-%e5%89%b5%e5%bb%ba%e6%95%b8%e6%93%9a%e5%ba%ab-ahxFufmtPY\">1.1 \u5275\u5efa\u6578\u64da\u5eab<\/h3>\n<p>\u5728DB2\u4e2d\uff0c\u5275\u5efa\u6578\u64da\u5eab\u7684\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>CREATE DATABASE database_name;<\/code><\/pre>\n<p>\u4f8b\u5982\uff0c\u8981\u5275\u5efa\u4e00\u500b\u540d\u70ba\u201cmydb\u201d\u7684\u6578\u64da\u5eab\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre><code>CREATE DATABASE mydb;<\/code><\/pre>\n<h3 id=\"1-2-%e5%89%b5%e5%bb%ba%e8%a1%a8-ahxFufmtPY\">1.2 \u5275\u5efa\u8868<\/h3>\n<p>\u5275\u5efa\u8868\u7684\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>CREATE TABLE table_name (\n    column1 datatype,\n    column2 datatype,\n    ...\n);<\/code><\/pre>\n<p>\u4f8b\u5982\uff0c\u5275\u5efa\u4e00\u500b\u7528\u65bc\u5b58\u5132\u7528\u6236\u4fe1\u606f\u7684\u8868\uff1a<\/p>\n<pre><code>CREATE TABLE users (\n    id INT PRIMARY KEY,\n    name VARCHAR(100),\n    email VARCHAR(100)\n);<\/code><\/pre>\n<h3 id=\"1-3-%e6%8f%92%e5%85%a5%e6%95%b8%e6%93%9a-ahxFufmtPY\">1.3 \u63d2\u5165\u6578\u64da<\/h3>\n<p>\u63d2\u5165\u6578\u64da\u7684\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>INSERT INTO table_name (column1, column2, ...)\nVALUES (value1, value2, ...);<\/code><\/pre>\n<p>\u4f8b\u5982\uff0c\u5411\u201cusers\u201d\u8868\u4e2d\u63d2\u5165\u4e00\u689d\u8a18\u9304\uff1a<\/p>\n<pre><code>INSERT INTO users (id, name, email)\nVALUES (1, 'John Doe', 'john@example.com');<\/code><\/pre>\n<h3 id=\"1-4-%e6%9f%a5%e8%a9%a2%e6%95%b8%e6%93%9a-ahxFufmtPY\">1.4 \u67e5\u8a62\u6578\u64da<\/h3>\n<p>\u67e5\u8a62\u6578\u64da\u7684\u57fa\u672c\u8a9e\u6cd5\u70ba\uff1a<\/p>\n<pre><code>SELECT column1, column2, ...\nFROM table_name\nWHERE condition;<\/code><\/pre>\n<p>\u4f8b\u5982\uff0c\u67e5\u8a62\u6240\u6709\u7528\u6236\u7684\u59d3\u540d\u548c\u96fb\u5b50\u90f5\u4ef6\uff1a<\/p>\n<pre><code>SELECT name, email FROM users;<\/code><\/pre>\n<h2 id=\"2-%e6%95%b8%e6%93%9a%e5%ba%ab%e7%ae%a1%e7%90%86%e8%88%87%e5%84%aa%e5%8c%96-ahxFufmtPY\">2. \u6578\u64da\u5eab\u7ba1\u7406\u8207\u512a\u5316<\/h2>\n<h3 id=\"2-1-%e6%9b%b4%e6%96%b0%e6%95%b8%e6%93%9a-ahxFufmtPY\">2.1 \u66f4\u65b0\u6578\u64da<\/h3>\n<p>\u66f4\u65b0\u6578\u64da\u7684\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>UPDATE table_name\nSET column1 = value1, column2 = value2, ...\nWHERE condition;<\/code><\/pre>\n<p>\u4f8b\u5982\uff0c\u66f4\u65b0\u7528\u6236\u7684\u96fb\u5b50\u90f5\u4ef6\uff1a<\/p>\n<pre><code>UPDATE users\nSET email = 'john.doe@example.com'\nWHERE id = 1;<\/code><\/pre>\n<h3 id=\"2-2-%e5%88%aa%e9%99%a4%e6%95%b8%e6%93%9a-ahxFufmtPY\">2.2 \u522a\u9664\u6578\u64da<\/h3>\n<p>\u522a\u9664\u6578\u64da\u7684\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>DELETE FROM table_name\nWHERE condition;<\/code><\/pre>\n<p>\u4f8b\u5982\uff0c\u522a\u9664\u7528\u6236\u8a18\u9304\uff1a<\/p>\n<pre><code>DELETE FROM users\nWHERE id = 1;<\/code><\/pre>\n<h3 id=\"2-3-%e5%89%b5%e5%bb%ba%e7%b4%a2%e5%bc%95-ahxFufmtPY\">2.3 \u5275\u5efa\u7d22\u5f15<\/h3>\n<p>\u7d22\u5f15\u53ef\u4ee5\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\uff0c\u5275\u5efa\u7d22\u5f15\u7684\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>CREATE INDEX index_name\nON table_name (column1, column2, ...);<\/code><\/pre>\n<p>\u4f8b\u5982\uff0c\u70ba\u201cusers\u201d\u8868\u7684\u201cemail\u201d\u5217\u5275\u5efa\u7d22\u5f15\uff1a<\/p>\n<pre><code>CREATE INDEX idx_email\nON users (email);<\/code><\/pre>\n<h2 id=\"3-%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-ahxFufmtPY\">3. \u6578\u64da\u5eab\u7684\u5099\u4efd\u8207\u6062\u5fa9<\/h2>\n<h3 id=\"3-1-%e5%82%99%e4%bb%bd%e6%95%b8%e6%93%9a%e5%ba%ab-ahxFufmtPY\">3.1 \u5099\u4efd\u6578\u64da\u5eab<\/h3>\n<p>\u5099\u4efd\u6578\u64da\u5eab\u7684\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>BACKUP DATABASE database_name\nTO 'backup_location';<\/code><\/pre>\n<p>\u4f8b\u5982\uff0c\u5099\u4efd\u201cmydb\u201d\u6578\u64da\u5eab\uff1a<\/p>\n<pre><code>BACKUP DATABASE mydb\nTO '\/backup\/mydb.bak';<\/code><\/pre>\n<h3 id=\"3-2-%e6%81%a2%e5%be%a9%e6%95%b8%e6%93%9a%e5%ba%ab-ahxFufmtPY\">3.2 \u6062\u5fa9\u6578\u64da\u5eab<\/h3>\n<p>\u6062\u5fa9\u6578\u64da\u5eab\u7684\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>RESTORE DATABASE database_name\nFROM 'backup_location';<\/code><\/pre>\n<p>\u4f8b\u5982\uff0c\u5f9e\u5099\u4efd\u6062\u5fa9\u201cmydb\u201d\u6578\u64da\u5eab\uff1a<\/p>\n<pre><code>RESTORE DATABASE mydb\nFROM '\/backup\/mydb.bak';<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-ahxFufmtPY\">\u7e3d\u7d50<\/h2>\n<p>\u638c\u63e1DB2\u6578\u64da\u5eab\u7684\u5e38\u7528\u8a9e\u6cd5\u5c0d\u65bc\u6578\u64da\u5eab\u7ba1\u7406\u8207\u512a\u5316\u81f3\u95dc\u91cd\u8981\u3002\u901a\u904e\u5b78\u7fd2\u5982\u4f55\u5275\u5efa\u6578\u64da\u5eab\u3001\u8868\uff0c\u9032\u884c\u6578\u64da\u64cd\u4f5c\uff0c\u4ee5\u53ca\u5099\u4efd\u548c\u6062\u5fa9\u6578\u64da\uff0c\u60a8\u53ef\u4ee5\u6709\u6548\u5730\u7ba1\u7406\u60a8\u7684\u6578\u64da\u8cc7\u6e90\u3002\u82e5\u60a8\u9700\u8981\u66f4\u9ad8\u6548\u7684\u6578\u64da\u5eab\u89e3\u6c7a\u65b9\u6848\uff0c\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u670d\u52d9\uff0c\u9019\u5c07\u70ba\u60a8\u7684\u6578\u64da\u5eab\u63d0\u4f9b\u7a69\u5b9a\u7684\u904b\u884c\u74b0\u5883\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u638c\u63e1DB2\u6578\u64da\u5eab\u5e38\u7528\u8a9e\u6cd5\uff0c\u63d0\u5347\u6578\u64da\u5eab\u7ba1\u7406\u8207\u512a\u5316\u80fd\u529b\uff0c\u52a9\u60a8\u9ad8\u6548\u8655\u7406\u6578\u64da\uff0c\u5be6\u73fe\u696d\u52d9\u589e\u9577\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-193431","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/193431","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=193431"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/193431\/revisions"}],"predecessor-version":[{"id":193432,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/193431\/revisions\/193432"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=193431"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=193431"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=193431"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}