{"id":194909,"date":"2024-11-13T10:35:20","date_gmt":"2024-11-13T02:35:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/194909\/"},"modified":"2024-11-13T10:35:21","modified_gmt":"2024-11-13T02:35:21","slug":"%e7%94%a8sql-developer%e5%b0%87sql%e7%a7%bb%e6%a4%8d%e5%88%b0oracle%ef%bc%88%e5%9b%9b%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/194909\/","title":{"rendered":"\u7528Sql Developer\u5c07SQL\u79fb\u690d\u5230Oracle\uff08\u56db\uff09"},"content":{"rendered":"<h1 id=\"%e7%94%a8sql-developer%e5%b0%87sql%e7%a7%bb%e6%a4%8d%e5%88%b0oracle%ef%bc%88%e5%9b%9b%ef%bc%89-miTlflcfXl\">\u7528SQL Developer\u5c07SQL\u79fb\u690d\u5230Oracle\uff08\u56db\uff09<\/h1>\n<p>\u5728\u524d\u5e7e\u7bc7\u6587\u7ae0\u4e2d\uff0c\u6211\u5011\u63a2\u8a0e\u4e86\u5982\u4f55\u4f7f\u7528SQL Developer\u5c07SQL\u8a9e\u53e5\u5f9e\u5176\u4ed6\u6578\u64da\u5eab\u7cfb\u7d71\u79fb\u690d\u5230Oracle\u3002\u9019\u4e00\u7cfb\u5217\u7684\u6587\u7ae0\u65e8\u5728\u5e6b\u52a9\u958b\u767c\u8005\u66f4\u6709\u6548\u5730\u9032\u884c\u6578\u64da\u5eab\u9077\u79fb\uff0c\u7279\u5225\u662f\u5728\u9762\u5c0d\u4e0d\u540c\u7684SQL\u65b9\u8a00\u6642\u3002\u672c\u6587\u5c07\u91cd\u9ede\u4ecb\u7d39\u5728\u79fb\u690d\u904e\u7a0b\u4e2d\u5e38\u898b\u7684\u6311\u6230\u53ca\u5176\u89e3\u6c7a\u65b9\u6848\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u7247\u6bb5\u3002<\/p>\n<h2 id=\"%e7%a7%bb%e6%a4%8d%e9%81%8e%e7%a8%8b%e4%b8%ad%e7%9a%84%e5%b8%b8%e8%a6%8b%e6%8c%91%e6%88%b0-miTlflcfXl\">\u79fb\u690d\u904e\u7a0b\u4e2d\u7684\u5e38\u898b\u6311\u6230<\/h2>\n<p>\u5728\u5c07SQL\u8a9e\u53e5\u5f9e\u5176\u4ed6\u6578\u64da\u5eab\u7cfb\u7d71\u79fb\u690d\u5230Oracle\u6642\uff0c\u958b\u767c\u8005\u53ef\u80fd\u6703\u9047\u5230\u4ee5\u4e0b\u5e7e\u500b\u6311\u6230\uff1a<\/p>\n<ul>\n<li><strong>\u6578\u64da\u985e\u578b\u4e0d\u5339\u914d\uff1a<\/strong>\u4e0d\u540c\u7684\u6578\u64da\u5eab\u7cfb\u7d71\u4f7f\u7528\u4e0d\u540c\u7684\u6578\u64da\u985e\u578b\u3002\u4f8b\u5982\uff0cMySQL\u4e2d\u7684DATETIME\u985e\u578b\u5728Oracle\u4e2d\u5c0d\u61c9\u70baTIMESTAMP\u3002\u958b\u767c\u8005\u9700\u8981\u4ed4\u7d30\u6aa2\u67e5\u4e26\u9032\u884c\u76f8\u61c9\u7684\u8f49\u63db\u3002<\/li>\n<li><strong>\u51fd\u6578\u548c\u904b\u7b97\u7b26\u7684\u5dee\u7570\uff1a<\/strong>\u5404\u500b\u6578\u64da\u5eab\u7cfb\u7d71\u7684\u5167\u5efa\u51fd\u6578\u548c\u904b\u7b97\u7b26\u53ef\u80fd\u6709\u6240\u4e0d\u540c\u3002\u4f8b\u5982\uff0cMySQL\u4e2d\u7684IF\u51fd\u6578\u5728Oracle\u4e2d\u53ef\u4ee5\u4f7f\u7528DECODE\u6216CASE\u8a9e\u53e5\u4f86\u5be6\u73fe\u3002<\/li>\n<li><strong>SQL\u8a9e\u6cd5\u5dee\u7570\uff1a<\/strong>\u67d0\u4e9bSQL\u8a9e\u6cd5\u5728\u4e0d\u540c\u7684\u6578\u64da\u5eab\u4e2d\u53ef\u80fd\u6703\u6709\u6240\u4e0d\u540c\uff0c\u4f8b\u5982LIMIT\u548cOFFSET\u5728Oracle\u4e2d\u9700\u8981\u4f7f\u7528ROWNUM\u6216FETCH FIRST\u8a9e\u6cd5\u4f86\u66ff\u4ee3\u3002<\/li>\n<\/ul>\n<h2 id=\"%e6%95%b8%e6%93%9a%e9%a1%9e%e5%9e%8b%e8%bd%89%e6%8f%9b%e7%a4%ba%e4%be%8b-miTlflcfXl\">\u6578\u64da\u985e\u578b\u8f49\u63db\u793a\u4f8b<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u6578\u64da\u985e\u578b\u8f49\u63db\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u5c07MySQL\u7684DATETIME\u985e\u578b\u8f49\u63db\u70baOracle\u7684TIMESTAMP\u985e\u578b\uff1a<\/p>\n<pre><code>CREATE TABLE my_table (\n    id INT PRIMARY KEY,\n    created_at DATETIME\n);\n<\/code><\/pre>\n<p>\u5728Oracle\u4e2d\uff0c\u9019\u6bb5\u4ee3\u78bc\u61c9\u8a72\u6539\u70ba\uff1a<\/p>\n<pre><code>CREATE TABLE my_table (\n    id NUMBER PRIMARY KEY,\n    created_at TIMESTAMP\n);\n<\/code><\/pre>\n<h2 id=\"%e5%87%bd%e6%95%b8%e5%92%8c%e9%81%8b%e7%ae%97%e7%ac%a6%e7%9a%84%e8%bd%89%e6%8f%9b-miTlflcfXl\">\u51fd\u6578\u548c\u904b\u7b97\u7b26\u7684\u8f49\u63db<\/h2>\n<p>\u5728MySQL\u4e2d\uff0cIF\u51fd\u6578\u7684\u4f7f\u7528\u65b9\u5f0f\u5982\u4e0b\uff1a<\/p>\n<pre><code>SELECT IF(condition, true_value, false_value) AS result FROM my_table;\n<\/code><\/pre>\n<p>\u800c\u5728Oracle\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528CASE\u8a9e\u53e5\u4f86\u5be6\u73fe\u76f8\u540c\u7684\u529f\u80fd\uff1a<\/p>\n<pre><code>SELECT CASE \n           WHEN condition THEN true_value \n           ELSE false_value \n       END AS result \nFROM my_table;\n<\/code><\/pre>\n<h2 id=\"sql%e8%aa%9e%e6%b3%95%e7%9a%84%e8%aa%bf%e6%95%b4-miTlflcfXl\">SQL\u8a9e\u6cd5\u7684\u8abf\u6574<\/h2>\n<p>\u5728MySQL\u4e2d\uff0c\u4f7f\u7528LIMIT\u4f86\u9650\u5236\u67e5\u8a62\u7d50\u679c\u7684\u6578\u91cf\uff1a<\/p>\n<pre><code>SELECT * FROM my_table LIMIT 10;\n<\/code><\/pre>\n<p>\u800c\u5728Oracle\u4e2d\uff0c\u5247\u9700\u8981\u4f7f\u7528ROWNUM\u6216FETCH FIRST\u8a9e\u6cd5\uff1a<\/p>\n<pre><code>SELECT * FROM my_table WHERE ROWNUM &lt;= 10;\n<\/code><\/pre>\n<h2 id=\"%e4%bd%bf%e7%94%a8sql-developer%e7%9a%84%e5%84%aa%e5%8b%a2-miTlflcfXl\">\u4f7f\u7528SQL Developer\u7684\u512a\u52e2<\/h2>\n<p>SQL 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id=\"%e7%b8%bd%e7%b5%90-miTlflcfXl\">\u7e3d\u7d50<\/h2>\n<p>\u5728\u5c07SQL\u8a9e\u53e5\u5f9e\u5176\u4ed6\u6578\u64da\u5eab\u7cfb\u7d71\u79fb\u690d\u5230Oracle\u7684\u904e\u7a0b\u4e2d\uff0c\u958b\u767c\u8005\u9700\u8981\u9762\u5c0d\u6578\u64da\u985e\u578b\u3001\u51fd\u6578\u3001\u904b\u7b97\u7b26\u53ca\u8a9e\u6cd5\u7b49\u591a\u65b9\u9762\u7684\u6311\u6230\u3002\u901a\u904e\u4f7f\u7528SQL Developer\u7b49\u5de5\u5177\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u66f4\u6709\u6548\u5730\u9032\u884c\u9019\u4e00\u904e\u7a0b\uff0c\u6e1b\u5c11\u932f\u8aa4\u4e26\u63d0\u9ad8\u6548\u7387\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u80fd\u548c\u7a69\u5b9a\u6027\u7684\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684<code><a href=\"https:\/\/server.hk\">VPS<\/a><\/code>\u89e3\u6c7a\u65b9\u6848\u4e5f\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002\u7121\u8ad6\u662f<code><a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a><\/code>\u9084\u662f\u5176\u4ed6\u985e\u578b\u7684<code><a href=\"https:\/\/server.hk\">\u4f3a\u670d\u5668<\/a><\/code>\uff0c\u90fd\u80fd\u70ba\u958b\u767c\u8005\u63d0\u4f9b\u7a69\u5b9a\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u4f7f\u7528SQL Developer\u5c07SQL\u8a9e\u53e5\u6709\u6548\u79fb\u690d\u5230Oracle\uff0c\u63d0\u5347\u6578\u64da\u5eab\u7ba1\u7406\u8207\u958b\u767c\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-194909","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/194909","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=194909"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/194909\/revisions"}],"predecessor-version":[{"id":194910,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/194909\/revisions\/194910"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=194909"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=194909"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=194909"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}