{"id":15807,"date":"2023-12-04T23:00:53","date_gmt":"2023-12-04T15:00:53","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=15807"},"modified":"2023-12-04T23:11:10","modified_gmt":"2023-12-04T15:11:10","slug":"oracle-zhong-jie-shi-shu-ju-kuai-data-block-qu-ext","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/12\/04\/oracle-zhong-jie-shi-shu-ju-kuai-data-block-qu-ext\/","title":{"rendered":"Oracle \u4e2d\u89e3\u91ca\u6570\u636e\u5757(data block)\uff0c\u533a(extent)\u548c\u6570\u636e\u6bb5 (segment)\u7684\u533a\u522b\uff1f"},"content":{"rendered":"

\u5728Oracle\u6570\u636e\u5e93\u4e2d\uff0c\u6570\u636e\u5757\uff08data block\uff09\u3001\u533a\uff08extent\uff09\u548c\u6570\u636e\u6bb5\uff08segment\uff09\u662f\u6570\u636e\u5e93\u5b58\u50a8\u7ed3\u6784\u4e2d\u7684\u4e09\u4e2a\u91cd\u8981\u6982\u5ff5\uff0c\u5b83\u4eec\u6709\u4e0d\u540c\u7684\u5c42\u6b21\u7ed3\u6784\u548c\u4f5c\u7528\u3002<\/p>\n

    \n
  1. \n\u6570\u636e\u5757\uff08Data Block\uff09\uff1a<\/strong><\/p>\n
      \n
    • \u6570\u636e\u5757\u662fOracle\u6570\u636e\u5e93\u4e2d\u6700\u57fa\u672c\u7684\u5b58\u50a8\u5355\u4f4d\uff0c\u662f\u78c1\u76d8\u4e0a\u5b58\u50a8\u6570\u636e\u7684\u6700\u5c0f\u5355\u5143\u3002<\/li>\n
    • \u4e00\u4e2a\u6570\u636e\u5757\u5305\u542b\u4e00\u5b9a\u6570\u91cf\u7684\u5b57\u8282\uff0c\u901a\u5e38\u662f2 KB\u30014 KB\u62168 KB\uff0c\u5177\u4f53\u53d6\u51b3\u4e8e\u6570\u636e\u5e93\u7684\u914d\u7f6e\u3002<\/li>\n
    • \u6570\u636e\u5757\u662f\u78c1\u76d8\u548c\u5185\u5b58\u4e4b\u95f4\u7684\u4f20\u8f93\u5355\u4f4d\uff0c\u5b83\u5305\u542b\u8868\u3001\u7d22\u5f15\u3001\u8868\u7a7a\u95f4\u7ba1\u7406\u4fe1\u606f\u7b49\u3002<\/li>\n
    • \u6570\u636e\u5757\u662f\u6570\u636e\u5e93 I\/O \u64cd\u4f5c\u7684\u57fa\u672c\u5355\u4f4d\uff0cOracle\u6570\u636e\u5e93\u901a\u8fc7\u6570\u636e\u5757\u6765\u8bfb\u53d6\u548c\u5199\u5165\u6570\u636e\u3002<\/li>\n<\/ul>\n<\/li>\n
    • \n\u533a\uff08Extent\uff09\uff1a<\/strong><\/p>\n
        \n
      • \u533a\u662f\u7531\u4e00\u7ec4\u8fde\u7eed\u7684\u6570\u636e\u5757\u7ec4\u6210\u7684\u7a7a\u95f4\u5355\u4f4d\uff0c\u662f\u903b\u8f91\u4e0a\u76f8\u90bb\u7684\u4e00\u7ec4\u6570\u636e\u5757\u7684\u96c6\u5408\u3002<\/li>\n
      • \u533a\u7684\u5927\u5c0f\u901a\u5e38\u662f\u7531\u591a\u4e2a\u6570\u636e\u5757\u7ec4\u6210\uff0c\u8fd9\u4e2a\u5927\u5c0f\u53ef\u4ee5\u901a\u8fc7\u6570\u636e\u5e93\u7684\u914d\u7f6e\u8fdb\u884c\u8c03\u6574\u3002<\/li>\n
      • \u5f53\u8868\u6216\u7d22\u5f15\u9700\u8981\u66f4\u591a\u7684\u5b58\u50a8\u7a7a\u95f4\u65f6\uff0c\u6570\u636e\u5e93\u4f1a\u4ee5\u533a\u4e3a\u5355\u4f4d\u52a8\u6001\u5730\u5206\u914d\u65b0\u7684\u7a7a\u95f4\u3002<\/li>\n
      • \u533a\u662f\u8868\u7a7a\u95f4\u4e2d\u7684\u5206\u914d\u5355\u4f4d\uff0c\u53ef\u4ee5\u5305\u542b\u4e00\u4e2a\u6216\u591a\u4e2a\u6570\u636e\u6bb5\u3002<\/li>\n<\/ul>\n<\/li>\n
      • \n\u6570\u636e\u6bb5\uff08Segment\uff09\uff1a<\/strong><\/p>\n
          \n
        • \u6570\u636e\u6bb5\u662f\u903b\u8f91\u4e0a\u76f8\u5bf9\u72ec\u7acb\u7684\u5b58\u50a8\u7ed3\u6784\uff0c\u5305\u542b\u4e00\u4e2a\u6216\u591a\u4e2a\u533a\u3002<\/li>\n
        • \u4e00\u4e2a\u6570\u636e\u6bb5\u5bf9\u5e94\u4e00\u4e2a\u8868\u3001\u7d22\u5f15\u3001\u89c6\u56fe\u7b49\u6570\u636e\u5e93\u5bf9\u8c61\uff0c\u5b58\u50a8\u4e86\u8fd9\u4e9b\u5bf9\u8c61\u7684\u5b9e\u9645\u6570\u636e\u3002<\/li>\n
        • \u6570\u636e\u6bb5\u7531\u4e00\u4e2a\u6216\u591a\u4e2a\u533a\u7ec4\u6210\uff0c\u800c\u533a\u7531\u591a\u4e2a\u6570\u636e\u5757\u7ec4\u6210\u3002<\/li>\n
        • \u6570\u636e\u6bb5\u7684\u5927\u5c0f\u53d6\u51b3\u4e8e\u5176\u5305\u542b\u7684\u533a\u7684\u6570\u91cf\uff0c\u6bcf\u4e2a\u533a\u7684\u5927\u5c0f\uff0c\u4ee5\u53ca\u5b58\u50a8\u5bf9\u8c61\u7684\u5b9e\u9645\u6570\u636e\u91cf\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n

          \u7b80\u800c\u8a00\u4e4b\uff0c\u6570\u636e\u5757\u662f\u6700\u5c0f\u7684\u5b58\u50a8\u5355\u5143\uff0c\u533a\u662f\u7531\u4e00\u7ec4\u8fde\u7eed\u7684\u6570\u636e\u5757\u7ec4\u6210\u7684\u7a7a\u95f4\u5355\u5143\uff0c\u800c\u6570\u636e\u6bb5\u662f\u903b\u8f91\u4e0a\u76f8\u5bf9\u72ec\u7acb\u7684\u5b58\u50a8\u7ed3\u6784\uff0c\u5305\u542b\u4e00\u4e2a\u6216\u591a\u4e2a\u533a\u3002\u8fd9\u4e9b\u5c42\u6b21\u7ed3\u6784\u7684\u8bbe\u8ba1\u4f7f\u5f97Oracle\u6570\u636e\u5e93\u80fd\u591f\u6709\u6548\u5730\u7ba1\u7406\u548c\u5b58\u50a8\u6570\u636e\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

          \u5728Oracle\u6570\u636e\u5e93\u4e2d\uff0c\u6570\u636e\u5757\uff08data block\uff09\u3001\u533a\uff08extent\uff09\u548c\u6570\u636e\u6bb5\uff08segment\uff09\u662f\u6570\u636e\u5e93\u5b58 […]<\/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-15807","post","type-post","status-publish","format-standard","hentry","category-oracel"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/15807","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=15807"}],"version-history":[{"count":1,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/15807\/revisions"}],"predecessor-version":[{"id":15808,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/15807\/revisions\/15808"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=15807"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=15807"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=15807"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}