{"id":96170,"date":"2024-10-20T07:11:15","date_gmt":"2024-10-19T23:11:15","guid":{"rendered":"https:\/\/server.hk\/cnblog\/96170\/"},"modified":"2024-10-20T07:11:15","modified_gmt":"2024-10-19T23:11:15","slug":"oracle%e5%be%aa%e7%92%b0%e8%aa%9e%e5%8f%a5%e7%9a%84%e5%af%ab%e6%b3%95","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/96170\/","title":{"rendered":"Oracle\u5faa\u74b0\u8a9e\u53e5\u7684\u5beb\u6cd5"},"content":{"rendered":"<h1 id=\"oracle%e5%be%aa%e7%92%b0%e8%aa%9e%e5%8f%a5%e7%9a%84%e5%af%ab%e6%b3%95-vJRYRfLCeN\">Oracle\u5faa\u74b0\u8a9e\u53e5\u7684\u5beb\u6cd5<\/h1>\n<p>\u5728Oracle\u8cc7\u6599\u5eab\u4e2d\uff0c\u5faa\u74b0\u8a9e\u53e5\u662f\u4e00\u7a2e\u91cd\u8981\u7684\u63a7\u5236\u7d50\u69cb\uff0c\u5141\u8a31\u958b\u767c\u8005\u91cd\u8907\u57f7\u884c\u4e00\u6bb5\u7a0b\u5f0f\u78bc\uff0c\u76f4\u5230\u6eff\u8db3\u7279\u5b9a\u689d\u4ef6\u70ba\u6b62\u3002\u9019\u7a2e\u8a9e\u53e5\u5728\u8655\u7406\u5927\u91cf\u6578\u64da\u6216\u9700\u8981\u91cd\u8907\u57f7\u884c\u67d0\u4e9b\u64cd\u4f5c\u6642\u7279\u5225\u6709\u7528\u3002\u672c\u6587\u5c07\u4ecb\u7d39Oracle\u5faa\u74b0\u8a9e\u53e5\u7684\u57fa\u672c\u5beb\u6cd5\u53ca\u5176\u61c9\u7528\u7bc4\u4f8b\u3002<\/p>\n<h2 id=\"%e5%be%aa%e7%92%b0%e8%aa%9e%e5%8f%a5%e7%9a%84%e9%a1%9e%e5%9e%8b-vJRYRfLCeN\">\u5faa\u74b0\u8a9e\u53e5\u7684\u985e\u578b<\/h2>\n<p>\u5728Oracle\u4e2d\uff0c\u4e3b\u8981\u6709\u4e09\u7a2e\u5faa\u74b0\u8a9e\u53e5\uff1a<\/p>\n<ul>\n<li><strong id=\"%e5%9f%ba%e6%9c%ac%e5%be%aa%e7%92%b0%ef%bc%88loop%ef%bc%89-vJRYRfLCeN\">\u57fa\u672c\u5faa\u74b0\uff08LOOP\uff09<\/strong><\/li>\n<li><strong id=\"%e6%a2%9d%e4%bb%b6%e5%be%aa%e7%92%b0%ef%bc%88while-loop%ef%bc%89-vJRYRfLCeN\">\u689d\u4ef6\u5faa\u74b0\uff08WHILE LOOP\uff09<\/strong><\/li>\n<li><strong id=\"for%e5%be%aa%e7%92%b0%ef%bc%88for-loop%ef%bc%89-vJRYRfLCeN\">FOR\u5faa\u74b0\uff08FOR LOOP\uff09<\/strong><\/li>\n<\/ul>\n<h2 id=\"%e5%9f%ba%e6%9c%ac%e5%be%aa%e7%92%b0%ef%bc%88loop%ef%bc%89-vJRYRfLCeN\">\u57fa\u672c\u5faa\u74b0\uff08LOOP\uff09<\/h2>\n<p>\u57fa\u672c\u5faa\u74b0\u7684\u8a9e\u6cd5\u7d50\u69cb\u5982\u4e0b\uff1a<\/p>\n<pre><code>\nLOOP\n    -- \u57f7\u884c\u7684\u7a0b\u5f0f\u78bc\n    EXIT WHEN ;\nEND LOOP;\n<\/code><\/pre>\n<p>\u5728\u9019\u88e1\uff0c<code>EXIT WHEN<\/code>\u8a9e\u53e5\u7528\u65bc\u6307\u5b9a\u4f55\u6642\u9000\u51fa\u5faa\u74b0\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u7bc4\u4f8b\uff0c\u8a72\u7bc4\u4f8b\u8a08\u7b97\u5f9e1\u523010\u7684\u7e3d\u548c\uff1a<\/p>\n<pre><code>\nDECLARE\n    total NUMBER := 0;\n    counter NUMBER := 1;\nBEGIN\n    LOOP\n        total := total + counter;\n        counter := counter + 1;\n        EXIT WHEN counter &gt; 10;\n    END LOOP;\n    DBMS_OUTPUT.PUT_LINE('\u7e3d\u548c\u662f: ' || total);\nEND;\n<\/code><\/pre>\n<h2 id=\"%e6%a2%9d%e4%bb%b6%e5%be%aa%e7%92%b0%ef%bc%88while-loop%ef%bc%89-vJRYRfLCeN\">\u689d\u4ef6\u5faa\u74b0\uff08WHILE LOOP\uff09<\/h2>\n<p>\u689d\u4ef6\u5faa\u74b0\u7684\u8a9e\u6cd5\u7d50\u69cb\u5982\u4e0b\uff1a<\/p>\n<pre><code>\nWHILE  LOOP\n    -- \u57f7\u884c\u7684\u7a0b\u5f0f\u78bc\nEND LOOP;\n<\/code><\/pre>\n<p>\u9019\u7a2e\u5faa\u74b0\u6703\u5728\u689d\u4ef6\u70ba\u771f\u6642\u57f7\u884c\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7bc4\u4f8b\uff0c\u8a72\u7bc4\u4f8b\u8a08\u7b97\u5f9e1\u523010\u7684\u7e3d\u548c\uff1a<\/p>\n<pre><code>\nDECLARE\n    total NUMBER := 0;\n    counter NUMBER := 1;\nBEGIN\n    WHILE counter &lt;= 10 LOOP\n        total := total + counter;\n        counter := counter + 1;\n    END LOOP;\n    DBMS_OUTPUT.PUT_LINE(&#039;\u7e3d\u548c\u662f: &#039; || total);\nEND;\n<\/code><\/pre>\n<h2 id=\"for%e5%be%aa%e7%92%b0%ef%bc%88for-loop%ef%bc%89-vJRYRfLCeN\">FOR\u5faa\u74b0\uff08FOR LOOP\uff09<\/h2>\n<p>FOR\u5faa\u74b0\u7684\u8a9e\u6cd5\u7d50\u69cb\u5982\u4e0b\uff1a<\/p>\n<pre><code>\nFOR  IN  LOOP\n    -- \u57f7\u884c\u7684\u7a0b\u5f0f\u78bc\nEND LOOP;\n<\/code><\/pre>\n<p>FOR\u5faa\u74b0\u901a\u5e38\u7528\u65bc\u5df2\u77e5\u6b21\u6578\u7684\u60c5\u6cc1\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7bc4\u4f8b\uff0c\u8a72\u7bc4\u4f8b\u8a08\u7b97\u5f9e1\u523010\u7684\u7e3d\u548c\uff1a<\/p>\n<pre><code>\nDECLARE\n    total NUMBER := 0;\nBEGIN\n    FOR counter IN 1..10 LOOP\n        total := total + counter;\n    END LOOP;\n    DBMS_OUTPUT.PUT_LINE('\u7e3d\u548c\u662f: ' || total);\nEND;\n<\/code><\/pre>\n<h2 id=\"%e5%be%aa%e7%92%b0%e8%aa%9e%e5%8f%a5%e7%9a%84%e6%87%89%e7%94%a8-vJRYRfLCeN\">\u5faa\u74b0\u8a9e\u53e5\u7684\u61c9\u7528<\/h2>\n<p>\u5faa\u74b0\u8a9e\u53e5\u5728\u5be6\u969b\u61c9\u7528\u4e2d\u975e\u5e38\u5ee3\u6cdb\uff0c\u7279\u5225\u662f\u5728\u6578\u64da\u8655\u7406\u548c\u5831\u544a\u751f\u6210\u65b9\u9762\u3002\u4f8b\u5982\uff0c\u7576\u9700\u8981\u5f9e\u8cc7\u6599\u8868\u4e2d\u63d0\u53d6\u591a\u689d\u8a18\u9304\u4e26\u9032\u884c\u8a08\u7b97\u6642\uff0c\u5faa\u74b0\u8a9e\u53e5\u53ef\u4ee5\u6709\u6548\u5730\u5e6b\u52a9\u958b\u767c\u8005\u5b8c\u6210\u4efb\u52d9\u3002<\/p>\n<p>\u6b64\u5916\uff0c\u5faa\u74b0\u8a9e\u53e5\u9084\u53ef\u4ee5\u8207\u5176\u4ed6\u63a7\u5236\u7d50\u69cb\u7d50\u5408\u4f7f\u7528\uff0c\u5982\u689d\u4ef6\u8a9e\u53e5\uff08IF-THEN-ELSE\uff09\uff0c\u4ee5\u5be6\u73fe\u66f4\u8907\u96dc\u7684\u908f\u8f2f\u3002\u4f8b\u5982\uff0c\u6839\u64da\u4e0d\u540c\u7684\u689d\u4ef6\u5c0d\u6578\u64da\u9032\u884c\u4e0d\u540c\u7684\u8655\u7406\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-vJRYRfLCeN\">\u7e3d\u7d50<\/h2>\n<p>Oracle\u5faa\u74b0\u8a9e\u53e5\u662f\u8cc7\u6599\u5eab\u958b\u767c\u4e2d\u4e0d\u53ef\u6216\u7f3a\u7684\u5de5\u5177\uff0c\u80fd\u5920\u5e6b\u52a9\u958b\u767c\u8005\u9ad8\u6548\u5730\u8655\u7406\u91cd\u8907\u6027\u4efb\u52d9\u3002\u7121\u8ad6\u662f\u57fa\u672c\u5faa\u74b0\u3001\u689d\u4ef6\u5faa\u74b0\u9084\u662fFOR\u5faa\u74b0\uff0c\u9019\u4e9b\u8a9e\u53e5\u90fd\u63d0\u4f9b\u4e86\u9748\u6d3b\u7684\u65b9\u5f0f\u4f86\u63a7\u5236\u7a0b\u5f0f\u7684\u57f7\u884c\u6d41\u7a0b\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u8655\u7406\u7684\u61c9\u7528\u5834\u666f\uff0c\u9078\u64c7\u5408\u9069\u7684\u5faa\u74b0\u8a9e\u53e5\u5c07\u5927\u5927\u63d0\u9ad8\u958b\u767c\u6548\u7387\u3002<\/p>\n<p>\u5982\u679c\u60a8\u5c0d\u65bc\u5982\u4f55\u5728\u96f2\u7aef\u74b0\u5883\u4e2d\u904b\u884cOracle\u8cc7\u6599\u5eab\u6709\u8208\u8da3\uff0c\u6b61\u8fce\u4e86\u89e3\u6211\u5011\u7684<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u89e3\u6c7a\u65b9\u6848\uff0c\u63d0\u4f9b\u7a69\u5b9a\u7684\u4f3a\u670d\u5668\u6027\u80fd\u548c\u9748\u6d3b\u7684\u8cc7\u6e90\u914d\u7f6e\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3Oracle\u5faa\u74b0\u8a9e\u53e5\u7684\u5beb\u6cd5\uff0c\u638c\u63e1PL\/SQL\u4e2d\u7684FOR\u3001WHILE\u53caLOOP\u7d50\u69cb\uff0c\u63d0\u5347\u6578\u64da\u8655\u7406\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-96170","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96170","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=96170"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96170\/revisions"}],"predecessor-version":[{"id":96171,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96170\/revisions\/96171"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=96170"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=96170"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=96170"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}