{"id":166047,"date":"2024-11-05T15:20:21","date_gmt":"2024-11-05T07:20:21","guid":{"rendered":"https:\/\/server.hk\/cnblog\/166047\/"},"modified":"2024-11-05T15:20:22","modified_gmt":"2024-11-05T07:20:22","slug":"%e5%bf%ab%e9%80%9f%e4%ba%86%e8%a7%a3oracle-sql%e8%aa%9e%e8%a8%80","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/166047\/","title":{"rendered":"\u5feb\u901f\u4e86\u89e3Oracle SQL\u8a9e\u8a00"},"content":{"rendered":"<h1 id=\"%e5%bf%ab%e9%80%9f%e4%ba%86%e8%a7%a3oracle-sql%e8%aa%9e%e8%a8%80-JqgqCdyzuQ\">\u5feb\u901f\u4e86\u89e3Oracle SQL\u8a9e\u8a00<\/h1>\n<p>Oracle SQL\uff08\u7d50\u69cb\u5316\u67e5\u8a62\u8a9e\u8a00\uff09\u662fOracle\u6578\u64da\u5eab\u7cfb\u7d71\u4e2d\u4f7f\u7528\u7684\u4e3b\u8981\u8a9e\u8a00\u3002\u5b83\u662f\u4e00\u7a2e\u5f37\u5927\u7684\u5de5\u5177\uff0c\u80fd\u5920\u7528\u65bc\u6578\u64da\u7684\u67e5\u8a62\u3001\u66f4\u65b0\u3001\u63d2\u5165\u548c\u522a\u9664\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0eOracle SQL\u7684\u57fa\u672c\u6982\u5ff5\u3001\u8a9e\u6cd5\u53ca\u5176\u5728\u6578\u64da\u7ba1\u7406\u4e2d\u7684\u61c9\u7528\u3002<\/p>\n<h2 id=\"oracle-sql%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-JqgqCdyzuQ\">Oracle SQL\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>SQL\u662f\u4e00\u7a2e\u6a19\u6e96\u7684\u6578\u64da\u5eab\u67e5\u8a62\u8a9e\u8a00\uff0cOracle SQL\u662f\u5176\u5728Oracle\u6578\u64da\u5eab\u4e2d\u7684\u5be6\u73fe\u3002\u5b83\u5141\u8a31\u7528\u6236\u8207\u6578\u64da\u5eab\u9032\u884c\u4ea4\u4e92\uff0c\u4e26\u57f7\u884c\u5404\u7a2e\u64cd\u4f5c\u3002Oracle SQL\u7684\u4e3b\u8981\u529f\u80fd\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u67e5\u8a62\u6578\u64da\uff1a\u4f7f\u7528SELECT\u8a9e\u53e5\u5f9e\u6578\u64da\u5eab\u4e2d\u6aa2\u7d22\u6578\u64da\u3002<\/li>\n<li>\u6578\u64da\u64cd\u4f5c\uff1a\u4f7f\u7528INSERT\u3001UPDATE\u548cDELETE\u8a9e\u53e5\u4f86\u4fee\u6539\u6578\u64da\u3002<\/li>\n<li>\u6578\u64da\u5b9a\u7fa9\uff1a\u4f7f\u7528CREATE\u3001ALTER\u548cDROP\u8a9e\u53e5\u4f86\u7ba1\u7406\u6578\u64da\u5eab\u7d50\u69cb\u3002<\/li>\n<li>\u6578\u64da\u63a7\u5236\uff1a\u4f7f\u7528GRANT\u548cREVOKE\u8a9e\u53e5\u4f86\u7ba1\u7406\u7528\u6236\u6b0a\u9650\u3002<\/li>\n<\/ul>\n<h2 id=\"oracle-sql%e7%9a%84%e5%9f%ba%e6%9c%ac%e8%aa%9e%e6%b3%95-JqgqCdyzuQ\">Oracle SQL\u7684\u57fa\u672c\u8a9e\u6cd5<\/h2>\n<p>\u5728Oracle SQL\u4e2d\uff0c\u8a9e\u6cd5\u7d50\u69cb\u76f8\u5c0d\u7c21\u55ae\uff0c\u4ee5\u4e0b\u662f\u4e00\u4e9b\u57fa\u672c\u7684\u8a9e\u6cd5\u793a\u4f8b\uff1a<\/p>\n<h3 id=\"1-%e6%9f%a5%e8%a9%a2%e6%95%b8%e6%93%9a-JqgqCdyzuQ\">1. \u67e5\u8a62\u6578\u64da<\/h3>\n<pre><code>SELECT column1, column2\nFROM table_name\nWHERE condition;<\/code><\/pre>\n<p>\u4f8b\u5982\uff0c\u5f9e\u540d\u70ba\u201cemployees\u201d\u7684\u8868\u4e2d\u67e5\u8a62\u6240\u6709\u54e1\u5de5\u7684\u59d3\u540d\u548c\u5de5\u8cc7\uff1a<\/p>\n<pre><code>SELECT name, salary\nFROM employees\nWHERE department = 'Sales';<\/code><\/pre>\n<h3 id=\"2-%e6%8f%92%e5%85%a5%e6%95%b8%e6%93%9a-JqgqCdyzuQ\">2. \u63d2\u5165\u6578\u64da<\/h3>\n<pre><code>INSERT INTO table_name (column1, column2)\nVALUES (value1, value2);<\/code><\/pre>\n<p>\u4f8b\u5982\uff0c\u5411\u201cemployees\u201d\u8868\u4e2d\u63d2\u5165\u4e00\u540d\u65b0\u54e1\u5de5\u7684\u8a18\u9304\uff1a<\/p>\n<pre><code>INSERT INTO employees (name, salary, department)\nVALUES ('John Doe', 50000, 'Sales');<\/code><\/pre>\n<h3 id=\"3-%e6%9b%b4%e6%96%b0%e6%95%b8%e6%93%9a-JqgqCdyzuQ\">3. \u66f4\u65b0\u6578\u64da<\/h3>\n<pre><code>UPDATE table_name\nSET column1 = value1, column2 = value2\nWHERE condition;<\/code><\/pre>\n<p>\u4f8b\u5982\uff0c\u5c07\u201cJohn Doe\u201d\u7684\u5de5\u8cc7\u66f4\u65b0\u70ba60000\uff1a<\/p>\n<pre><code>UPDATE employees\nSET salary = 60000\nWHERE name = 'John Doe';<\/code><\/pre>\n<h3 id=\"4-%e5%88%aa%e9%99%a4%e6%95%b8%e6%93%9a-JqgqCdyzuQ\">4. \u522a\u9664\u6578\u64da<\/h3>\n<pre><code>DELETE FROM table_name\nWHERE condition;<\/code><\/pre>\n<p>\u4f8b\u5982\uff0c\u522a\u9664\u540d\u70ba\u201cJohn Doe\u201d\u7684\u54e1\u5de5\u8a18\u9304\uff1a<\/p>\n<pre><code>DELETE FROM employees\nWHERE name = 'John Doe';<\/code><\/pre>\n<h2 id=\"oracle-sql%e7%9a%84%e9%80%b2%e9%9a%8e%e5%8a%9f%e8%83%bd-JqgqCdyzuQ\">Oracle SQL\u7684\u9032\u968e\u529f\u80fd<\/h2>\n<p>\u9664\u4e86\u57fa\u672c\u7684\u6578\u64da\u64cd\u4f5c\uff0cOracle SQL\u9084\u63d0\u4f9b\u4e86\u4e00\u4e9b\u9032\u968e\u529f\u80fd\uff0c\u4f8b\u5982\uff1a<\/p>\n<ul>\n<li><strong>\u805a\u5408\u51fd\u6578\uff1a<\/strong>\u5982SUM\u3001AVG\u3001COUNT\u7b49\uff0c\u7528\u65bc\u8a08\u7b97\u6578\u64da\u7684\u7d71\u8a08\u4fe1\u606f\u3002<\/li>\n<li><strong>\u5b50\u67e5\u8a62\uff1a<\/strong>\u5728\u4e00\u500b\u67e5\u8a62\u4e2d\u5d4c\u5957\u53e6\u4e00\u500b\u67e5\u8a62\uff0c\u4ee5\u4fbf\u9032\u884c\u66f4\u8907\u96dc\u7684\u6578\u64da\u6aa2\u7d22\u3002<\/li>\n<li><strong>\u8996\u5716\uff1a<\/strong>\u865b\u64ec\u8868\uff0c\u53ef\u4ee5\u7c21\u5316\u8907\u96dc\u67e5\u8a62\u7684\u4f7f\u7528\u3002<\/li>\n<li><strong>\u5b58\u5132\u904e\u7a0b\uff1a<\/strong>\u4e00\u7d44\u9810\u7de8\u8b6f\u7684SQL\u8a9e\u53e5\uff0c\u53ef\u4ee5\u91cd\u8907\u57f7\u884c\u4ee5\u63d0\u9ad8\u6548\u7387\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-JqgqCdyzuQ\">\u7d50\u8ad6<\/h2>\n<p>Oracle SQL\u662f\u4e00\u7a2e\u529f\u80fd\u5f37\u5927\u7684\u6578\u64da\u5eab\u67e5\u8a62\u8a9e\u8a00\uff0c\u9069\u7528\u65bc\u5404\u7a2e\u6578\u64da\u7ba1\u7406\u4efb\u52d9\u3002\u7121\u8ad6\u662f\u57fa\u672c\u7684\u6578\u64da\u64cd\u4f5c\u9084\u662f\u9032\u968e\u7684\u6578\u64da\u5206\u6790\uff0cOracle SQL\u90fd\u80fd\u63d0\u4f9b\u9748\u6d3b\u7684\u89e3\u6c7a\u65b9\u6848\u3002\u5c0d\u65bc\u5e0c\u671b\u6df1\u5165\u4e86\u89e3\u6578\u64da\u5eab\u7ba1\u7406\u7684\u958b\u767c\u8005\u548c\u6578\u64da\u5206\u6790\u5e2b\u4f86\u8aaa\uff0c\u638c\u63e1Oracle SQL\u662f\u5fc5\u4e0d\u53ef\u5c11\u7684\u6280\u80fd\u3002<\/p>\n<p>\u5982\u679c\u60a8\u5c0d\u65bcVPS\u3001<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u6216\u5176\u4ed6\u4f3a\u670d\u5668\u89e3\u6c7a\u65b9\u6848\u611f\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>\u5feb\u901f\u4e86\u89e3Oracle SQL\u8a9e\u8a00\uff0c\u638c\u63e1\u6578\u64da\u67e5\u8a62\u3001\u7ba1\u7406\u548c\u5206\u6790\u7684\u57fa\u790e\uff0c\u63d0\u5347\u6578\u64da\u8655\u7406\u6548\u7387\uff0c\u9069\u5408\u521d\u5b78\u8005\u8207\u5c08\u696d\u4eba\u58eb\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-166047","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/166047","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=166047"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/166047\/revisions"}],"predecessor-version":[{"id":166048,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/166047\/revisions\/166048"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=166047"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=166047"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=166047"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}