{"id":96178,"date":"2024-10-20T07:15:18","date_gmt":"2024-10-19T23:15:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/96178\/"},"modified":"2024-10-20T07:15:19","modified_gmt":"2024-10-19T23:15:19","slug":"oracle%e7%a7%bb%e6%a4%8d%e5%88%b0mysql%e4%b8%ad%ef%bc%8c%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\/96178\/","title":{"rendered":"Oracle\u79fb\u690d\u5230mysql\u4e2d\uff0c\u61c9\u6ce8\u610f\u7684\u4e8b\u9805"},"content":{"rendered":"<h1 id=\"oracle%e7%a7%bb%e6%a4%8d%e5%88%b0mysql%e4%b8%ad%ef%bc%8c%e6%87%89%e6%b3%a8%e6%84%8f%e7%9a%84%e4%ba%8b%e9%a0%85-lHPEAvyjQN\">Oracle\u79fb\u690d\u5230MySQL\u4e2d\uff0c\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-lHPEAvyjQN\">1. \u6578\u64da\u985e\u578b\u7684\u5dee\u7570<\/h2>\n<p>Oracle\u548cMySQL\u5728\u6578\u64da\u985e\u578b\u4e0a\u5b58\u5728\u4e00\u4e9b\u5dee\u7570\u3002\u5728\u79fb\u690d\u904e\u7a0b\u4e2d\uff0c\u5fc5\u9808\u4ed4\u7d30\u6aa2\u67e5\u6bcf\u500b\u5b57\u6bb5\u7684\u6578\u64da\u985e\u578b\uff0c\u78ba\u4fdd\u5b83\u5011\u5728MySQL\u4e2d\u80fd\u5920\u6b63\u78ba\u6620\u5c04\u3002\u4f8b\u5982\uff1a<\/p>\n<ul>\n<li><code>NUMBER<\/code>\u985e\u578b\u5728MySQL\u4e2d\u901a\u5e38\u4f7f\u7528<code>DECIMAL<\/code>\u6216<code>FLOAT<\/code>\u4f86\u66ff\u4ee3\u3002<\/li>\n<li><code>VARCHAR2<\/code>\u5728MySQL\u4e2d\u53ef\u4ee5\u4f7f\u7528<code>VARCHAR<\/code>\uff0c\u4f46\u9700\u8981\u6ce8\u610f\u9577\u5ea6\u9650\u5236\u3002<\/li>\n<li><code>CLOB<\/code>\u548c<code>BLOB<\/code>\u985e\u578b\u5728MySQL\u4e2d\u5206\u5225\u5c0d\u61c9<code>TEXT<\/code>\u548c<code>BLOB<\/code>\u3002<\/li>\n<\/ul>\n<p>\u56e0\u6b64\uff0c\u5728\u9032\u884c\u6578\u64da\u9077\u79fb\u4e4b\u524d\uff0c\u5efa\u8b70\u5148\u5236\u5b9a\u4e00\u500b\u6578\u64da\u985e\u578b\u6620\u5c04\u8868\uff0c\u4ee5\u4fbf\u65bc\u5f8c\u7e8c\u7684\u6578\u64da\u8f49\u63db\u3002<\/p>\n<h2 id=\"2-sql%e8%aa%9e%e6%b3%95%e7%9a%84%e5%b7%ae%e7%95%b0-lHPEAvyjQN\">2. SQL\u8a9e\u6cd5\u7684\u5dee\u7570<\/h2>\n<p>Oracle\u548cMySQL\u7684SQL\u8a9e\u6cd5\u5b58\u5728\u4e00\u4e9b\u5dee\u7570\uff0c\u7279\u5225\u662f\u5728\u67e5\u8a62\u548c\u6578\u64da\u64cd\u4f5c\u65b9\u9762\u3002\u4f8b\u5982\uff0cOracle\u4f7f\u7528<code>ROWNUM<\/code>\u4f86\u9650\u5236\u67e5\u8a62\u7d50\u679c\u7684\u884c\u6578\uff0c\u800cMySQL\u5247\u4f7f\u7528<code>LIMIT<\/code>\u3002\u4ee5\u4e0b\u662f\u5169\u8005\u7684\u5c0d\u6bd4\uff1a<\/p>\n<pre><code>-- Oracle\nSELECT * FROM employees WHERE ROWNUM &lt;= 10;\n\n-- MySQL\nSELECT * FROM employees LIMIT 10;\n<\/code><\/pre>\n<p>\u5728\u79fb\u690d\u904e\u7a0b\u4e2d\uff0c\u958b\u767c\u8005\u9700\u8981\u5c0d\u6240\u6709\u7684SQL\u67e5\u8a62\u9032\u884c\u5be9\u67e5\u548c\u4fee\u6539\uff0c\u4ee5\u78ba\u4fdd\u5b83\u5011\u5728MySQL\u4e2d\u80fd\u5920\u6b63\u78ba\u57f7\u884c\u3002<\/p>\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%e7%9a%84%e8%bd%89%e6%8f%9b-lHPEAvyjQN\">3. \u5b58\u5132\u904e\u7a0b\u548c\u89f8\u767c\u5668\u7684\u8f49\u63db<\/h2>\n<p>Oracle\u7684\u5b58\u5132\u904e\u7a0b\u548c\u89f8\u767c\u5668\u5728MySQL\u4e2d\u4e26\u4e0d\u5b8c\u5168\u76f8\u540c\u3002MySQL\u652f\u6301\u5b58\u5132\u904e\u7a0b\u548c\u89f8\u767c\u5668\uff0c\u4f46\u5176\u8a9e\u6cd5\u548c\u529f\u80fd\u53ef\u80fd\u6709\u6240\u4e0d\u540c\u3002\u5728\u79fb\u690d\u6642\uff0c\u958b\u767c\u8005\u9700\u8981\u91cd\u65b0\u7de8\u5beb\u9019\u4e9b\u5b58\u5132\u904e\u7a0b\u548c\u89f8\u767c\u5668\uff0c\u4ee5\u9069\u61c9MySQL\u7684\u8a9e\u6cd5\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>-- Oracle\nCREATE OR REPLACE PROCEDURE my_procedure AS\nBEGIN\n    -- \u4ee3\u78bc\u908f\u8f2f\nEND;\n\n-- MySQL\nCREATE PROCEDURE my_procedure()\nBEGIN\n    -- \u4ee3\u78bc\u908f\u8f2f\nEND;\n<\/code><\/pre>\n<p>\u9019\u4e00\u904e\u7a0b\u53ef\u80fd\u9700\u8981\u6df1\u5165\u4e86\u89e3MySQL\u7684\u7279\u6027\u548c\u9650\u5236\u3002<\/p>\n<h2 id=\"4-%e4%ba%8b%e5%8b%99%e8%99%95%e7%90%86%e7%9a%84%e5%b7%ae%e7%95%b0-lHPEAvyjQN\">4. \u4e8b\u52d9\u8655\u7406\u7684\u5dee\u7570<\/h2>\n<p>Oracle\u548cMySQL\u5728\u4e8b\u52d9\u8655\u7406\u65b9\u9762\u4e5f\u5b58\u5728\u5dee\u7570\u3002Oracle\u652f\u6301\u66f4\u8907\u96dc\u7684\u4e8b\u52d9\u63a7\u5236\uff0c\u800cMySQL\u7684\u4e8b\u52d9\u652f\u6301\u5247\u76f8\u5c0d\u7c21\u55ae\u3002\u5728\u79fb\u690d\u904e\u7a0b\u4e2d\uff0c\u958b\u767c\u8005\u9700\u8981\u78ba\u4fdd\u6240\u6709\u7684\u4e8b\u52d9\u908f\u8f2f\u5728MySQL\u4e2d\u80fd\u5920\u6b63\u78ba\u57f7\u884c\uff0c\u4e26\u4e14\u4e0d\u6703\u5c0e\u81f4\u6578\u64da\u4e0d\u4e00\u81f4\u7684\u554f\u984c\u3002<\/p>\n<h2 id=\"5-%e6%80%a7%e8%83%bd%e5%84%aa%e5%8c%96-lHPEAvyjQN\">5. \u6027\u80fd\u512a\u5316<\/h2>\n<p>\u5728\u5b8c\u6210\u6578\u64da\u9077\u79fb\u5f8c\uff0c\u6027\u80fd\u512a\u5316\u662f\u5fc5\u4e0d\u53ef\u5c11\u7684\u6b65\u9a5f\u3002MySQL\u548cOracle\u5728\u67e5\u8a62\u512a\u5316\u65b9\u9762\u7684\u7b56\u7565\u4e0d\u540c\uff0c\u56e0\u6b64\u9700\u8981\u5c0d\u67e5\u8a62\u9032\u884c\u8abf\u6574\u548c\u512a\u5316\uff0c\u4ee5\u78ba\u4fdd\u7cfb\u7d71\u7684\u6027\u80fd\u9054\u5230\u6700\u4f73\u72c0\u614b\u3002\u53ef\u4ee5\u8003\u616e\u4f7f\u7528\u7d22\u5f15\u3001\u67e5\u8a62\u7de9\u5b58\u7b49\u6280\u8853\u4f86\u63d0\u9ad8\u6027\u80fd\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-lHPEAvyjQN\">\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\u4e8b\u52d9\u8655\u7406\u53ca\u6027\u80fd\u512a\u5316\u7b49\u591a\u65b9\u9762\u7684\u56e0\u7d20\u3002\u901a\u904e\u4ed4\u7d30\u898f\u5283\u548c\u6e2c\u8a66\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u6e1b\u5c11\u9077\u79fb\u904e\u7a0b\u4e2d\u7684\u98a8\u96aa\u548c\u554f\u984c\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>\u548c<a href=\"https:\/\/server.hk\">\u96f2\u4f3a\u670d\u5668<\/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-96178","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96178","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=96178"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96178\/revisions"}],"predecessor-version":[{"id":96179,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96178\/revisions\/96179"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=96178"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=96178"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=96178"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}