{"id":15831,"date":"2023-12-04T22:58:04","date_gmt":"2023-12-04T14:58:04","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=15831"},"modified":"2023-12-04T23:18:40","modified_gmt":"2023-12-04T15:18:40","slug":"oracle-zhong-ru-he-ding-wei-zhong-yao-xiao-hao-zi-2","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/12\/04\/oracle-zhong-ru-he-ding-wei-zhong-yao-xiao-hao-zi-2\/","title":{"rendered":"Oracle \u4e2d\u5982\u4f55\u5b9a\u4f4d\u91cd\u8981(\u6d88\u8017\u8d44\u6e90\u591a)\u7684 SQL\uff1f"},"content":{"rendered":"<p>\u5728 Oracle \u6570\u636e\u5e93\u4e2d\uff0c\u5b9a\u4f4d\u91cd\u8981\u4e14\u6d88\u8017\u8d44\u6e90\u591a\u7684 SQL \u8bed\u53e5\u901a\u5e38\u6d89\u53ca\u76d1\u63a7\u548c\u5206\u6790\u6570\u636e\u5e93\u7684\u6027\u80fd\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u65b9\u6cd5\uff1a<\/p>\n<ol>\n<li><strong>\u4f7f\u7528 Oracle \u63d0\u4f9b\u7684\u6027\u80fd\u89c6\u56fe\uff1a<\/strong>\n<ul>\n<li><code>V$SQL<\/code> \u548c <code>V$SQLSTATS<\/code> \u89c6\u56fe\u5305\u542b\u4e86\u6267\u884c\u8ba1\u5212\u548c\u6267\u884c\u7edf\u8ba1\u4fe1\u606f\uff0c\u53ef\u4ee5\u7528\u4e8e\u67e5\u770b SQL \u8bed\u53e5\u7684\u6267\u884c\u60c5\u51b5\u3002\n<pre><code class=\"language-sql  line-numbers\">SELECT * FROM V$SQL WHERE ROWNUM &lt;= 10; -- \u67e5\u770b\u524d 10 \u6761 SQL \u8bed\u53e5\n<\/code><\/pre>\n<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u4f7f\u7528 Oracle SQL Trace\uff1a<\/strong>\n<ul>\n<li>\u4f7f\u7528 <code>DBMS_SESSION<\/code> \u5305\u4e2d\u7684 <code>SET_SQL_TRACE<\/code> \u8fc7\u7a0b\u53ef\u4ee5\u542f\u7528 SQL Trace\u3002SQL Trace \u4f1a\u751f\u6210\u4e00\u4e2a\u8ddf\u8e2a\u6587\u4ef6\uff0c\u5176\u4e2d\u5305\u542b\u4e86\u6267\u884c\u8ba1\u5212\u3001\u7ed1\u5b9a\u53d8\u91cf\u548c\u6d88\u8017\u7684\u8d44\u6e90\u7b49\u4fe1\u606f\u3002\n<pre><code class=\"language-sql  line-numbers\">EXEC DBMS_SESSION.SET_SQL_TRACE(TRUE);\n<\/code><\/pre>\n<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<ul>\n<li>\u4f7f\u7528 <code>TKPROF<\/code> \u5de5\u5177\u5206\u6790 SQL Trace \u6587\u4ef6\u3002\n<p><code>sh<br \/>\n tkprof trace_file.trc output_file.txt<\/code><\/p>\n<\/li>\n<\/ul>\n<ol start=\"3\">\n<li>\n<p><strong>\u4f7f\u7528 Oracle Enterprise Manager (OEM)\uff1a<\/strong><\/p>\n<ul>\n<li>OEM \u63d0\u4f9b\u4e86\u76f4\u89c2\u7684\u56fe\u5f62\u5316\u754c\u9762\uff0c\u53ef\u4ee5\u7528\u4e8e\u76d1\u63a7\u6570\u636e\u5e93\u6027\u80fd\uff0c\u5305\u62ec\u91cd\u8981 SQL \u8bed\u53e5\u7684\u6267\u884c\u8ba1\u5212\u548c\u6267\u884c\u7edf\u8ba1\u4fe1\u606f\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u4f7f\u7528\u81ea\u52a8\u8bca\u65ad\u4eea\uff08ADDM\uff09\uff1a<\/strong>\n<ul>\n<li>Oracle \u7684\u81ea\u52a8\u8bca\u65ad\u4eea\u80fd\u591f\u81ea\u52a8\u8bc6\u522b\u6570\u636e\u5e93\u4e2d\u7684\u6027\u80fd\u95ee\u9898\uff0c\u5e76\u63d0\u4f9b\u63a8\u8350\u7684\u89e3\u51b3\u65b9\u6848\u3002ADDM \u62a5\u544a\u4e2d\u901a\u5e38\u5305\u542b\u4e86\u6267\u884c\u65f6\u95f4\u6700\u957f\u7684 SQL \u8bed\u53e5\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u5206\u6790 AWR \u62a5\u544a\uff1a<\/strong>\n<ul>\n<li>\u4f7f\u7528 AWR\uff08\u81ea\u52a8\u5de5\u4f5c\u8d1f\u8f7d\u5b58\u50a8\u5e93\uff09\u62a5\u544a\u6765\u5206\u6790\u6570\u636e\u5e93\u6027\u80fd\u3002AWR \u62a5\u544a\u4e2d\u5305\u542b\u4e86\u9ad8\u6d88\u8017\u8d44\u6e90 SQL \u7684\u8be6\u7ec6\u4fe1\u606f\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u4f7f\u7528 SQL Monitoring\uff1a<\/strong>\n<ul>\n<li>Oracle \u63d0\u4f9b\u4e86 SQL Monitoring \u529f\u80fd\uff0c\u901a\u8fc7 <code>DBMS_SQL_MONITOR<\/code> \u5305\u53ef\u4ee5\u76d1\u89c6\u6b63\u5728\u6267\u884c\u7684 SQL \u8bed\u53e5\u3002\u8fd9\u53ef\u4ee5\u5728\u8fd0\u884c\u65f6\u67e5\u770b SQL \u8bed\u53e5\u7684\u6267\u884c\u8ba1\u5212\u548c\u7edf\u8ba1\u4fe1\u606f\u3002\n<pre><code class=\"language-sql  line-numbers\">EXEC DBMS_SQL_MONITOR.SESSION_TRACE_ENABLE(session_id =&gt; &lt;session_id&gt;);\n<\/code><\/pre>\n<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<p>\u4ee5\u4e0a\u65b9\u6cd5\u53ef\u4ee5\u6839\u636e\u5177\u4f53\u7684\u60c5\u51b5\u9009\u62e9\u4f7f\u7528\u3002\u901a\u8fc7\u5206\u6790\u6267\u884c\u8ba1\u5212\u3001\u6267\u884c\u7edf\u8ba1\u4fe1\u606f\u3001\u8ddf\u8e2a\u6587\u4ef6\u548c\u76d1\u63a7\u5de5\u5177\uff0c\u53ef\u4ee5\u66f4\u597d\u5730\u7406\u89e3\u6570\u636e\u5e93\u4e2d\u6267\u884c\u4ee3\u4ef7\u6700\u9ad8\u7684 SQL \u8bed\u53e5\uff0c\u5e76\u91c7\u53d6\u76f8\u5e94\u7684\u4f18\u5316\u63aa\u65bd\u3002\u5728\u5b9e\u65bd\u4efb\u4f55\u4f18\u5316\u4e4b\u524d\uff0c\u8bf7\u786e\u4fdd\u4e86\u89e3\u5f71\u54cd\uff0c\u5e76\u5728\u6d4b\u8bd5\u73af\u5883\u4e2d\u8fdb\u884c\u9a8c\u8bc1\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728 Oracle \u6570\u636e\u5e93\u4e2d\uff0c\u5b9a\u4f4d\u91cd\u8981\u4e14\u6d88\u8017\u8d44\u6e90\u591a\u7684 SQL \u8bed\u53e5\u901a\u5e38\u6d89\u53ca\u76d1\u63a7\u548c\u5206\u6790\u6570\u636e\u5e93\u7684\u6027\u80fd\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u65b9\u6cd5 [&hellip;]<\/p>\n","protected":false},"author":11,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[120],"tags":[],"class_list":["post-15831","post","type-post","status-publish","format-standard","hentry","category-oracel"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/15831","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/users\/11"}],"replies":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/comments?post=15831"}],"version-history":[{"count":1,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/15831\/revisions"}],"predecessor-version":[{"id":15832,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/15831\/revisions\/15832"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=15831"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=15831"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=15831"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}