{"id":5301,"date":"2024-11-14T10:56:42","date_gmt":"2024-11-14T02:56:42","guid":{"rendered":"https:\/\/fwq.ai\/blog\/5301\/"},"modified":"2024-11-14T10:56:42","modified_gmt":"2024-11-14T02:56:42","slug":"oracle%e6%80%8e%e4%b9%88%e6%9f%a5%e7%9c%8b%e7%b4%a2%e5%bc%95","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/5301\/","title":{"rendered":"oracle\u600e\u4e48\u67e5\u770b\u7d22\u5f15"},"content":{"rendered":"

\n \u67e5\u770b oracle \u4e2d\u7684\u7d22\u5f15\uff1a1. \u67e5\u8be2\u6570\u636e\u5b57\u5178\u89c6\u56fe user_indexes\uff1b2. \u4f7f\u7528 sql*plus \u547d\u4ee4 desc \u8868\u540d\uff1b3. \u4f7f\u7528 oracle enterprise manager \u5bfc\u822a\u5230 performance > tables\uff0c\u53f3\u952e\u5355\u51fb\u8868\u9009\u62e9 index\u3002\n<\/p><\/blockquote>\n

\"oracle\u600e\u4e48\u67e5\u770b\u7d22\u5f15\u63d2\u56fe\"<\/p>\n

\u5982\u4f55\u67e5\u770b Oracle \u4e2d\u7684\u7d22\u5f15<\/strong><\/p>\n

\u5728 Oracle \u6570\u636e\u5e93\u4e2d\uff0c\u67e5\u770b\u7d22\u5f15\u7684\u65b9\u6cd5\u6709\u591a\u79cd\uff1a<\/p>\n

1. \u67e5\u8be2\u6570\u636e\u5b57\u5178\u89c6\u56fe:<\/strong><\/p>\n

SELECT * FROM USER_INDEXES\nWHERE TABLE_NAME = '<table_name>';<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
2. \u4f7f\u7528 SQL*Plus \u547d\u4ee4:<\/strong><\/p>\n
DESC <table_name><\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u8fd9\u5c06\u663e\u793a\u8868\u7684\u4fe1\u606f\uff0c\u5305\u62ec\u5176\u7d22\u5f15\u3002<\/p>\n
3. \u4f7f\u7528 Oracle Enterprise Manager (OEM):<\/strong><\/p>\n
    \n
  • \u5728 OEM \u5bfc\u822a\u7a97\u683c\u4e2d\uff0c\u5c55\u5f00 “Performance”\u3002<\/li>\n
  • \u9009\u62e9 “Tables”\u3002<\/li>\n
  • \u53f3\u952e\u5355\u51fb\u8981\u67e5\u770b\u7684\u8868\uff0c\u7136\u540e\u9009\u62e9 “Index”\u3002<\/li>\n<\/ul>\n
    \u7d22\u5f15\u4fe1\u606f\u5b57\u6bb5:<\/strong><\/p>\n
      \n
    •  INDEX_NAME:<\/strong> \u7d22\u5f15\u7684\u540d\u79f0\u3002<\/li>\n
    •  TABLE_NAME:<\/strong> \u7d22\u5f15\u6240\u5728\u7684\u8868\u7684\u540d\u79f0\u3002<\/li>\n
    •  COLUMNS:<\/strong> \u7d22\u5f15\u7684\u5217\u3002<\/li>\n
    •  INDEX_TYPE:<\/strong> \u7d22\u5f15\u7684\u7c7b\u578b\uff08\u4f8b\u5982\uff0cB-Tree\u3001Hash\uff09\u3002<\/li>\n
    •  UNIQUE:<\/strong> \u6307\u793a\u7d22\u5f15\u662f\u5426\u662f\u552f\u4e00\u7d22\u5f15\u3002<\/li>\n
    •  ENABLED:<\/strong> \u6307\u793a\u7d22\u5f15\u662f\u5426\u5df2\u542f\u7528\u3002<\/li>\n<\/ul>\n
      \u9644\u52a0\u63d0\u793a:<\/strong><\/p>\n
        \n
      • \u53ef\u4ee5\u4f7f\u7528 WHERE \u5b50\u53e5\u8fc7\u6ee4 USER_INDEXES \u89c6\u56fe\u7684\u7ed3\u679c\uff0c\u4f8b\u5982\u6309\u8868\u540d\u6216\u7d22\u5f15\u7c7b\u578b\u3002<\/li>\n
      • \u53ef\u4ee5\u4f7f\u7528 DESCEND \u5173\u952e\u5b57\u67e5\u770b\u7d22\u5f15\u7684\u964d\u5e8f\u526f\u672c\u3002<\/li>\n
      • OEM \u8fd8\u5141\u8bb8\u60a8\u67e5\u770b\u548c\u7ba1\u7406\u7d22\u5f15\u7684\u5176\u4ed6\u7279\u6027\uff0c\u4f8b\u5982\u5b58\u50a8\u53c2\u6570\u548c\u76d1\u63a7\u4fe1\u606f\u3002<\/li>\n<\/ul>\n
        \u4ee5\u4e0a\u5c31\u662f\u600e\u4e48\u67e5\u770b\u7d22\u5f15\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u7f51\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
        \u67e5\u770b oracle \u4e2d\u7684\u7d22\u5f15\uff1a1. \u67e5\u8be2\u6570\u636e\u5b57\u5178\u89c6\u56fe user_indexes\uff1b2. \u4f7f\u7528 sql*plus \u547d\u4ee4 desc \u8868\u540d\uff1b3. \u4f7f\u7528 oracle enterprise manager \u5bfc\u822a\u5230 performance > tables\uff0c\u53f3\u952e\u5355\u51fb\u8868\u9009\u62e9 index\u3002 \u5982\u4f55\u67e5\u770b Oracle \u4e2d\u7684\u7d22\u5f15 \u5728 Oracle \u6570\u636e\u5e93\u4e2d\uff0c\u67e5\u770b\u7d22\u5f15\u7684\u65b9\u6cd5\u6709\u591a\u79cd\uff1a 1. \u67e5\u8be2\u6570\u636e\u5b57\u5178\u89c6\u56fe: SELECT * FROM USER_INDEXES WHERE TABLE_NAME = ‘<table_name>’; \u767b\u5f55\u540e\u590d\u5236 2. \u4f7f\u7528 SQL*Plus \u547d\u4ee4: DESC <table_name> \u767b\u5f55\u540e\u590d\u5236 \u8fd9\u5c06\u663e\u793a\u8868\u7684\u4fe1\u606f\uff0c\u5305\u62ec\u5176\u7d22\u5f15\u3002 3. \u4f7f\u7528 Oracle Enterprise Manager (OEM): \u5728 OEM \u5bfc\u822a\u7a97\u683c\u4e2d\uff0c\u5c55\u5f00 “Performance”\u3002 \u9009\u62e9 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-5301","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/5301","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=5301"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/5301\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=5301"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=5301"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=5301"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}