{"id":96180,"date":"2024-10-20T07:16:17","date_gmt":"2024-10-19T23:16:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/96180\/"},"modified":"2024-10-20T07:16:17","modified_gmt":"2024-10-19T23:16:17","slug":"oracle%e7%a7%bb%e6%a4%8d%e5%88%b0mysql%e4%b8%ad%e6%87%89%e6%b3%a8%e6%84%8f%e7%9a%84%e4%ba%8b%e9%a0%85","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/96180\/","title":{"rendered":"Oracle\u79fb\u690d\u5230mysql\u4e2d\u61c9\u6ce8\u610f\u7684\u4e8b\u9805"},"content":{"rendered":"<h1 id=\"oracle%e7%a7%bb%e6%a4%8d%e5%88%b0mysql%e4%b8%ad%e6%87%89%e6%b3%a8%e6%84%8f%e7%9a%84%e4%ba%8b%e9%a0%85-CfUfXyAHwj\">Oracle\u79fb\u690d\u5230MySQL\u4e2d\u61c9\u6ce8\u610f\u7684\u4e8b\u9805<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\u4e2d\uff0cOracle\u548cMySQL\u90fd\u662f\u975e\u5e38\u6d41\u884c\u7684\u9078\u64c7\u3002\u96a8\u8457\u4f01\u696d\u9700\u6c42\u7684\u8b8a\u5316\uff0c\u8a31\u591a\u7d44\u7e54\u9078\u64c7\u5c07\u5176\u6578\u64da\u5eab\u5f9eOracle\u79fb\u690d\u5230MySQL\u3002\u9019\u4e00\u904e\u7a0b\u96d6\u7136\u53ef\u4ee5\u5e36\u4f86\u6210\u672c\u6548\u76ca\u548c\u9748\u6d3b\u6027\uff0c\u4f46\u4e5f\u4f34\u96a8\u8457\u4e00\u4e9b\u6311\u6230\u548c\u6ce8\u610f\u4e8b\u9805\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5728Oracle\u79fb\u690d\u5230MySQL\u6642\u9700\u8981\u6ce8\u610f\u7684\u5e7e\u500b\u95dc\u9375\u65b9\u9762\u3002<\/p>\n<h2 id=\"1-%e6%95%b8%e6%93%9a%e9%a1%9e%e5%9e%8b%e7%9a%84%e5%b7%ae%e7%95%b0-CfUfXyAHwj\">1. \u6578\u64da\u985e\u578b\u7684\u5dee\u7570<\/h2>\n<p>Oracle\u548cMySQL\u5728\u6578\u64da\u985e\u578b\u4e0a\u5b58\u5728\u4e00\u4e9b\u986f\u8457\u7684\u5dee\u7570\u3002\u5728\u79fb\u690d\u904e\u7a0b\u4e2d\uff0c\u5fc5\u9808\u4ed4\u7d30\u8003\u616e\u9019\u4e9b\u5dee\u7570\uff0c\u4ee5\u78ba\u4fdd\u6578\u64da\u7684\u5b8c\u6574\u6027\u548c\u6e96\u78ba\u6027\u3002<\/p>\n<ul>\n<li><strong>\u6578\u5b57\u985e\u578b\uff1a<\/strong>Oracle\u7684NUMBER\u985e\u578b\u5728MySQL\u4e2d\u901a\u5e38\u5c0d\u61c9\u5230DECIMAL\u6216FLOAT\u985e\u578b\u3002\u9700\u8981\u6839\u64da\u5be6\u969b\u9700\u6c42\u9078\u64c7\u5408\u9069\u7684\u985e\u578b\u3002<\/li>\n<li><strong>\u65e5\u671f\u548c\u6642\u9593\uff1a<\/strong>Oracle\u4f7f\u7528\u7684DATE\u985e\u578b\u5728MySQL\u4e2d\u5c0d\u61c9\u5230DATETIME\u6216TIMESTAMP\u985e\u578b\u3002\u6ce8\u610f\u9019\u4e9b\u985e\u578b\u7684\u7cbe\u5ea6\u548c\u7bc4\u570d\u53ef\u80fd\u6709\u6240\u4e0d\u540c\u3002<\/li>\n<li><strong>\u5b57\u7b26\u985e\u578b\uff1a<\/strong>Oracle\u7684CHAR\u548cVARCHAR2\u5728MySQL\u4e2d\u5c0d\u61c9\u5230CHAR\u548cVARCHAR\uff0c\u4f46\u9700\u8981\u6ce8\u610f\u5b57\u7b26\u96c6\u7684\u8a2d\u5b9a\u3002<\/li>\n<\/ul>\n<h2 id=\"2-sql%e8%aa%9e%e6%b3%95%e7%9a%84%e5%b7%ae%e7%95%b0-CfUfXyAHwj\">2. SQL\u8a9e\u6cd5\u7684\u5dee\u7570<\/h2>\n<p>Oracle\u548cMySQL\u5728SQL\u8a9e\u6cd5\u4e0a\u4e5f\u5b58\u5728\u4e00\u4e9b\u5dee\u7570\uff0c\u9019\u53ef\u80fd\u6703\u5f71\u97ff\u5230\u67e5\u8a62\u7684\u57f7\u884c\u548c\u6027\u80fd\u3002<\/p>\n<ul>\n<li><strong>\u51fd\u6578\u548c\u904b\u7b97\u7b26\uff1a<\/strong>\u67d0\u4e9bOracle\u7279\u6709\u7684\u51fd\u6578\u5728MySQL\u4e2d\u53ef\u80fd\u4e0d\u5b58\u5728\uff0c\u6216\u8005\u5176\u7528\u6cd5\u6709\u6240\u4e0d\u540c\u3002\u4f8b\u5982\uff0cOracle\u7684NVL\u51fd\u6578\u5728MySQL\u4e2d\u53ef\u4ee5\u7528IFNULL\u51fd\u6578\u66ff\u4ee3\u3002<\/li>\n<li><strong>\u5b50\u67e5\u8a62\u548c\u806f\u63a5\uff1a<\/strong>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0cOracle\u7684\u5b50\u67e5\u8a62\u53ef\u80fd\u5728MySQL\u4e2d\u7121\u6cd5\u76f4\u63a5\u4f7f\u7528\uff0c\u9700\u9032\u884c\u8abf\u6574\u3002<\/li>\n<li><strong>\u4e8b\u52d9\u63a7\u5236\uff1a<\/strong>Oracle\u4f7f\u7528\u7684\u4e8b\u52d9\u63a7\u5236\u8a9e\u53e5\uff08\u5982SAVEPOINT\uff09\u5728MySQL\u4e2d\u53ef\u80fd\u9700\u8981\u4e0d\u540c\u7684\u8655\u7406\u65b9\u5f0f\u3002<\/li>\n<\/ul>\n<h2 id=\"3-%e5%ad%98%e5%84%b2%e9%81%8e%e7%a8%8b%e5%92%8c%e8%a7%b8%e7%99%bc%e5%99%a8-CfUfXyAHwj\">3. \u5b58\u5132\u904e\u7a0b\u548c\u89f8\u767c\u5668<\/h2>\n<p>\u5982\u679c\u5728Oracle\u4e2d\u4f7f\u7528\u4e86\u5b58\u5132\u904e\u7a0b\u548c\u89f8\u767c\u5668\uff0c\u5247\u5728\u79fb\u690d\u5230MySQL\u6642\u9700\u8981\u7279\u5225\u6ce8\u610f\u3002<\/p>\n<ul>\n<li><strong>\u5b58\u5132\u904e\u7a0b\uff1a<\/strong>MySQL\u7684\u5b58\u5132\u904e\u7a0b\u8a9e\u6cd5\u8207Oracle\u6709\u6240\u4e0d\u540c\uff0c\u9700\u91cd\u65b0\u7de8\u5beb\u4ee5\u7b26\u5408MySQL\u7684\u8a9e\u6cd5\u898f\u7bc4\u3002<\/li>\n<li><strong>\u89f8\u767c\u5668\uff1a<\/strong>Oracle\u7684\u89f8\u767c\u5668\u5728MySQL\u4e2d\u4e5f\u9700\u8981\u91cd\u65b0\u5b9a\u7fa9\uff0c\u7279\u5225\u662f\u5728\u89f8\u767c\u6642\u6a5f\u548c\u689d\u4ef6\u65b9\u9762\u3002<\/li>\n<\/ul>\n<h2 id=\"4-%e6%80%a7%e8%83%bd%e5%84%aa%e5%8c%96-CfUfXyAHwj\">4. \u6027\u80fd\u512a\u5316<\/h2>\n<p>\u5728\u79fb\u690d\u904e\u7a0b\u4e2d\uff0c\u6027\u80fd\u512a\u5316\u662f\u4e0d\u53ef\u5ffd\u8996\u7684\u4e00\u74b0\u3002MySQL\u548cOracle\u5728\u67e5\u8a62\u512a\u5316\u65b9\u9762\u7684\u7b56\u7565\u4e0d\u540c\uff0c\u56e0\u6b64\u9700\u8981\u9032\u884c\u76f8\u61c9\u7684\u8abf\u6574\u3002<\/p>\n<ul>\n<li><strong>\u7d22\u5f15\uff1a<\/strong>\u5728MySQL\u4e2d\uff0c\u7d22\u5f15\u7684\u4f7f\u7528\u548c\u7ba1\u7406\u53ef\u80fd\u8207Oracle\u6709\u6240\u4e0d\u540c\uff0c\u9700\u6839\u64da\u67e5\u8a62\u7684\u7279\u6027\u9032\u884c\u8abf\u6574\u3002<\/li>\n<li><strong>\u67e5\u8a62\u8a08\u5283\uff1a<\/strong>\u4f7f\u7528EXPLAIN\u8a9e\u53e5\u4f86\u5206\u6790\u67e5\u8a62\u8a08\u5283\uff0c\u78ba\u4fdd\u67e5\u8a62\u7684\u6027\u80fd\u9054\u5230\u6700\u4f73\u3002<\/li>\n<\/ul>\n<h2 id=\"5-%e6%b8%ac%e8%a9%a6%e5%92%8c%e9%a9%97%e8%ad%89-CfUfXyAHwj\">5. \u6e2c\u8a66\u548c\u9a57\u8b49<\/h2>\n<p>\u5728\u5b8c\u6210\u79fb\u690d\u5f8c\uff0c\u9032\u884c\u5168\u9762\u7684\u6e2c\u8a66\u548c\u9a57\u8b49\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002\u9019\u5305\u62ec\u6578\u64da\u5b8c\u6574\u6027\u6aa2\u67e5\u3001\u6027\u80fd\u6e2c\u8a66\u4ee5\u53ca\u529f\u80fd\u6e2c\u8a66\u7b49\u3002<\/p>\n<ul>\n<li><strong>\u6578\u64da\u5b8c\u6574\u6027\u6aa2\u67e5\uff1a<\/strong>\u78ba\u4fdd\u6240\u6709\u6578\u64da\u5728\u79fb\u690d\u904e\u7a0b\u4e2d\u672a\u4e1f\u5931\u6216\u640d\u58de\u3002<\/li>\n<li><strong>\u6027\u80fd\u6e2c\u8a66\uff1a<\/strong>\u8a55\u4f30MySQL\u7684\u6027\u80fd\u662f\u5426\u6eff\u8db3\u696d\u52d9\u9700\u6c42\uff0c\u5fc5\u8981\u6642\u9032\u884c\u8abf\u6574\u3002<\/li>\n<li><strong>\u529f\u80fd\u6e2c\u8a66\uff1a<\/strong>\u78ba\u4fdd\u6240\u6709\u61c9\u7528\u7a0b\u5e8f\u529f\u80fd\u6b63\u5e38\u904b\u884c\uff0c\u4e26\u7b26\u5408\u696d\u52d9\u9700\u6c42\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-CfUfXyAHwj\">\u7e3d\u7d50<\/h2>\n<p>\u5c07Oracle\u79fb\u690d\u5230MySQL\u662f\u4e00\u500b\u8907\u96dc\u7684\u904e\u7a0b\uff0c\u9700\u8981\u8003\u616e\u6578\u64da\u985e\u578b\u3001SQL\u8a9e\u6cd5\u3001\u5b58\u5132\u904e\u7a0b\u3001\u6027\u80fd\u512a\u5316\u4ee5\u53ca\u6e2c\u8a66\u7b49\u591a\u65b9\u9762\u7684\u56e0\u7d20\u3002\u901a\u904e\u4ed4\u7d30\u898f\u5283\u548c\u57f7\u884c\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u6e1b\u5c11\u6f5b\u5728\u7684\u554f\u984c\uff0c\u78ba\u4fdd\u6578\u64da\u7684\u5b8c\u6574\u6027\u548c\u7cfb\u7d71\u7684\u7a69\u5b9a\u6027\u3002\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u53ef\u9760\u7684\u89e3\u6c7a\u65b9\u6848\u4f86\u652f\u6301\u60a8\u7684\u6578\u64da\u5eab\u9700\u6c42\uff0c\u8acb\u8003\u616e\u6211\u5011\u7684<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u670d\u52d9\uff0c\u70ba\u60a8\u7684\u696d\u52d9\u63d0\u4f9b\u7a69\u5b9a\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3Oracle\u79fb\u690d\u5230MySQL\u7684\u6ce8\u610f\u4e8b\u9805\uff0c\u5305\u62ec\u6578\u64da\u985e\u578b\u8f49\u63db\u3001\u67e5\u8a62\u8a9e\u6cd5\u8abf\u6574\u53ca\u6027\u80fd\u512a\u5316\u6280\u5de7\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-96180","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96180","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=96180"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96180\/revisions"}],"predecessor-version":[{"id":96181,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96180\/revisions\/96181"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=96180"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=96180"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=96180"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}